SUSY 2016
Carrillo Gantner Theatre
The University of Melbourne
SUSY Conference: 4  8 July
PreSUSY: 27 June  1 July
The 24th International Conference on Supersymmetry and Unification of Fundamental Interactions (SUSY 2016) was organised by the ARC Centre of Excellence for Particle Physics at the Terascale (CoEPP). The meeting was held at the University of Melbourne and jointly run by the University of Melbourne and Monash University.
The goal of the conference was to review and discuss recent progress in theoretical, phenomenological, and experimental aspects of supersymmetric theories and other approaches to physics beyond the Standard Model of particles and interactions. SUSY is one of the world's largest international meetings devoted to new ideas in fundamental particle physics.
Photos from SUSY 2016 are available to view and download here.
Previous SUSY meetings:
 16preSUSYSkands1.pdf
 16preSUSYSkands2.pdf
 16preSUSYSkands3.pdf
 Adamslecture1.pdf
 AdamsLecture2.pdf
 Haber_Higgs_PreSUSY16_Lecture_1.pdf
 Haber_Higgs_PreSUSY16_Lecture_2.pdf
 Haber_Higgs_PreSUSY16_Lecture_3.pdf
 ITROSUSYIII.pdf
 ITROSUSYIII.ppt
 ITROSUSYII.pdf
 ITROSUSYII.ppt
 ITROSUSYI.pdf
 ITROSUSYI.ppt
 KuzenkoMelbourne2016.pdf
 Particle Cosmology1.pdf
 Particle Cosmology2.pdf
 Particle Cosmology3.pdf
 presusy_lecture1_Profumo.pdf
 presusy_lecture2_Profumo.pdf
 presusy_lecture3_Profumo.pdf
 SUSYPreSchoolLec1.pdf
 SUSYPreSchoolLec2.pdf
 SUSYPreSchoolLec3.pdf
 Abhaya Kumar Swain
 Abhishek Sharma
 Adam Coogan
 Akshay Katre
 Alan Stanley Cornell
 Albert De Roeck
 Alessandro Strumia
 Alexander Millar
 Amitava Raychaudhuri
 Anders Huitfeldt
 Andre Lessa
 Andrew Fowlie
 Andrew Lifson
 Andrew Spray
 Andrew Warren Askew
 Ankit Beniwal
 Anselmo Cervera Villanueva
 Antonio Boveia
 Antonio Morais
 Anum Qureshi
 Anupam Mazumdar
 Archil Kobakhidze
 Arvind Rajaraman
 Babar Qureshi
 Bahman Ghadirian
 Bedrich Roskovec
 Benjamin Farmer
 Bhawna Gomber
 Bithika Jain
 Blake Oliver Burghgrave
 CaiDian Lu
 Callum Brodie
 Carlo Enrico Pandini
 Catherine Buchanan
 Chelsea Just
 Christophe Grojean
 Christopher Rogan
 Chung Kao
 Claudia Seitz
 Concezio Bozzi
 Cornelis Onderwater
 Cristián H. Peña
 Csaba Balazs
 Cyril Lagger
 Daiki Yamaguchi
 Daisuke Takahashi
 Damir Duvnjak
 Daniel Salerno
 Daniele Barducci
 David Anthony Varvel
 David Miller
 David Sosa
 David Wakeham
 Davide Costanzo
 Debtosh Chowdhury
 Devdatta Majumder
 Dmitry Tsybyshev
 Douglas Ryan Berry
 Dylan Harries
 Eilam Gross
 Elisabetta Barberio
 Elliot Lipeles
 Enrico Maria Sessolo
 Eric Feng
 Eric Howard
 Erich Poppitz
 Erik Schumacher
 Espen Eie Bowen
 Federico Ambrogi
 Federico Scutti
 Felipe Almeida Gomes Ferreira
 Fergus Wilson
 Filip Blaschke
 Filip Rajec
 Florent Lacroix
 Francesca Ungaro
 Francesco Tenchini
 Frank Calaprice
 Gaurav Goswami
 Genevieve Belanger
 Geoffrey Mullier
 Geoffrey Norman Taylor
 Georg Ralf Weiglein
 George WeiShu Hou
 Georgia Karapostoli
 Geraldine Conti
 Gerhard Harmsen
 German Valencia
 Giacomo Caria
 Giancarlo Pozzo
 Gilly Elor
 Giorgio Busoni
 Graham White
 Haitao Li
 Heiner Tholen
 Hermann Nicolai
 Hitoshi Murayama
 Howard Baer
 Howard Haber
 Hui Wang
 Ibtihal Mahmood
 Ijaz Ahmed
 Innes Bigaran
 Isaac William Sanderson
 Jack Gunion
 Jackson Clarke
 James Diacoumis
 Jan Hendrik Hoss
 Jana Schaarschmidt
 Janusz Rosiek
 Jason Oliver
 Jason Tsz Shing Yue
 Javier Mauricio Duarte
 Jenni Adams
 Jin Wang
 Jinmian Li
 JoAnne Hewett
 Jochen Jens Heinrich
 Johannes Schulz
 John Dixon
 John Gargalionis
 Jonas Wessén
 Jonas Wuerzinger
 Jonathan Long
 Jonathan R. Ellis
 Jong Soo Kim
 Jorge de Blas
 Jory Sonneveld
 Jose Ricardo Morais Silva Goncalo
 Joseph Walding
 Joshua Ellis
 Jovan Mitrevski
 Juan Yepes
 Julia Harz
 Jun'ichi Yokoyama
 Junichiro Kawamura
 Justin Tan
 Kamila Kowalska
 KarlHeinz Muller
 Karthy AR
 Katharina Maria Ecker
 Kazutoshi Ohta
 Keigo SUMITA
 Kevin Pedro
 Kevin Varvell
 Kiran Adhikari
 Kristian McDonald
 Lara Hannan Mason
 Laser Seymour Kaplan
 Laurence Anthony Spiller
 Lawrence Lee Jr
 Lei Wu
 Leon Friedrich
 Lisa Zeune
 Lukas Alexander Heinrich
 Makoto Sakamoto
 Malgorzata Kazana
 Manahil Mohammed Yousif Abdalla
 Manfredi Ronzani
 Marcela Carena
 Marco Santoni
 Maria Rozanska
 Maria Smizanska
 Marie Cecile Piro
 Mario Masciovecchio
 Martin Flechl
 Martin John White
 Masahide Yamaguchi
 Matthew Dolan
 Matthew Gebert
 Matthew Gignac
 Matthew Talia
 Maximilian J Swiatlowski
 Meghan Frate
 Michael RamseyMusolf
 Michael Schmidt
 Michal Zamkovsky
 Michele De Gruttola
 mihoko nojiri
 Miriam Deborah Joy Diamond
 Monoranjan Guchait
 Moritz Backes
 Nam Young KIM
 Neil Barrie
 Nicholas Jennings
 Nicole Bell
 Ning Liu
 Nishita Desai
 Noel Dawe
 Olivier Deschamps
 Oscar Manuel Vives Garcia
 Pankaj Sharma
 Partha Konar
 Paul Douglas Jackson
 Peiwen Wu
 Peter Athron
 Peter Charles Mcnamara
 Peter Cox
 Peter Kluit
 Peter Skands
 Philip Chang
 Phillip Urquijo
 Radovan Dermisek
 Raymond Volkas
 Renata Kallosh
 Richard Kriske
 Riley Patrick
 Robert Foot
 Rohana Wijewardhana
 Roman Nevzorov
 Rui Zhang
 Rupert Coy
 Russell Woods Smith
 Ruth Pottgen
 Ryan Kidd
 Ryo Yokokura
 Ryusuke Jinno
 Savanna Marie Shaw
 Sebastian Paßehr
 Sergei Kuzenko
 Serguei Ganjour
 Shahram Rahatlou
 Shi Qiu
 Shilpi Jain
 Shoaib Munir
 Shuntaro Aoki
 Silvia Fracchia
 So Chigusa
 Stefano Profumo
 Stephen Lonsdale
 Sujeet Akula
 Suntharan Arunasalam
 SuviLeena Lehtinen
 Sven Heinemeyer
 Tai Sakuma
 Takumi Kuwahara
 Tamas Almos Vami
 Tao Liu
 Teng Jian Khoo
 Thomas Flacke
 Thomas Rizzo
 Thu Pham
 Timothy Cohen
 Tom Browder
 Tomasz Dutka
 Tommaso Lari
 Tomohiro Hashizume
 Tong Li
 Toshiyuki Iwamoto
 Tyler Corbett
 Ulrich Ellwanger
 WeFu Chang
 William Shepherd
 XiaoGang He
 Yang Zhang
 Ye Chen
 Yi Cai
 YiLei Tang
 Yidong Liao
 Yifan Cheng
 Ying Hu
 Ying LI
 Yosuke Takubo
 yutin Huang
 Yukihiro Mimura
 Yuri Levin
 Yutaka Sakamura
 Yutaro Shoji
 Yvonne Wong
 Zach Marshall
 Zachary Matthews
 ZhaoHuan Yu


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Registration Sidney Myer Asia Centre Foyer
Sidney Myer Asia Centre Foyer
The University of Melbourne
Alice Hoy Building The University of Melbourne VIC 3010 Australia 
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Event: Welcome Reception Yasuko Hiraoka Myer Room
Yasuko Hiraoka Myer Room
The University of Melbourne

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Plenary: Monday session 1 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Tommaso Lari (University and INFN, Milano) 09:00

09:30
Searches for SUSY at CMS 30mSpeaker: Andrew Warren Askew (Florida State University (US))
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Coffee Break 30m Sidney Myer Asia Centre Foyer ()
Sidney Myer Asia Centre Foyer

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Plenary: Monday session 2 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Thomas Rizzo
11:00
NonSUSY BSM Higgs 30mSpeaker: Christophe Grojean (DESY (Hamburg) and ICREA/IFAE (Barcelona))
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Lunch break 1h 30m

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Dark Matter and Particle Astrophysics Carillo Gantner Theatre ()
Carillo Gantner Theatre
Carrillo Gantner Theatre, Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Tyler Corbett (ARC CoEPP Melbourne)
14:00
Distinguishing between Warm Dark Matter and Late Kinetic Decoupling using CMB spectral distortions. 20m
Recently a number of alternative dark matter models have been introduced as a means of explaining the physics of smallscale structure formation. These include, warm dark matter and dark matter with late kinetic decoupling both of which differ substantially from the canonical cold dark matter formalism. One interesting way of constraining the phenomenology in these models is to look at the characteristic imprint they leave on the photon spectrum left over from the Big Bang. These imprints are known as spectral distortions in the literature and arise due to spatial fluctuations in the photon temperature along the line of sight. As a result, the thermal history of the photon bath gives us a unique insight into the evolution of the early universe. In this talk I will show how this insight can be used to constrain the phenomenology of these dark matter models, in particular noting that the signatures can be used to distinguish between warm dark matter and late kinetic decoupling scenarios.
Speaker: James Diacoumis (University of New South Wales) 
14:20
Relic density and baryogenesis from natural SUSY with mixed axionhiggsino dark matter 20m
We describe an eightcoupledBoltzmann equation calculation of the mixed axionhiggsino dark matter scenario which is expected from natural SUSY. Typically the relic density is axion dominated unless late decaying axinos or saxions feed the WIMP abundance. While thermal leptogenesis is barely viable, nonthermal and AffleckDine leptogenesis remain robust scenarios to generate the matterantimatter asymmetry.
Speaker: Howard Baer (University of Oklahoma) 
14:40
Freezein of light dark matter 20m
We investigate the production of keV sterile neutrino dark matter via the decay of a frozenin complex scalar with a feeble Higgs portal coupling. Sterile neutrinos at the keV range is an attractive class of model because it can naturally explain Standard Model neutrino masses and can be cosmologically warm dark matter. This is the first time a complex scalar has been considered in this scenario, and the presence of a light pseudoNambu Goldstone boson component, caused by spontaneously breaking a U(1) global sterile neutrino number symmetry, leads to highly interesting behaviour. Moreover, this is a robust model that can be applied to generic light fermion dark matter candidates.
Speaker: Rupert Coy (University of Sydney) 
15:00
Nonperturbative Dynamics in Dark Matter Freezeout 20m
I discuss the cosmological impact of dark matter bound state formation in the early universe in the context of complete simplified models of dark matter interactions. In particular, I show that the effects of relativity on the nature and behavior of these bound states are important to correctly describe the physics in cases of interest. I continue on to discuss the implications of these interactions for the parameter space of wellmotivated models of dark matter, especially in the context of unitarity considerations which lead to upper bounds on the mass of thermal dark matter.
Speaker: William Shepherd (University of Copenhagen) 
15:20
Theoretical uncertainty of the supersymmetric dark matter relic density 20m
To gain for a more precise prediction of the supersymmetric dark matter relic density, we have calculated nexttoleading order SUSYQCD corrections to neutralino (co)annihilation processes including Coulomb enhancement effects. We demonstrate that these corrections can have significant impact and are thus of general interest for parameter studies. For particle physics observables at colliders, it is common practice to estimate the theoretical uncertainty by studying the variations of the predicted cross sections with a priori unpredictable scales. In astroparticle physics, this has so far not been possible, since most of the observables were calculated at Born level only, so that the renormalization scheme and scale dependence could not be studied in a meaningful way. Thus, we present the fi rat quantitative study of the theoretical uncertainty of the neutralino dark matter relic density from scheme and scale variations.
Speaker: Julia Harz (Institut Lagrange de Paris) 
15:40
Higgs Inflation and UV completion 20m
I will discuss ultraviolet completion of the Standard Model Higgs inflation. I will argue why the Standard Model Higgs cannot be the inflaton once quantum corrections are taken into account.I will argue in this respect MSSM ( minimal supersymmetric Standard Model ) is still a plausible candidate to explain dark matter, baryogenesis and large scale structures.
Speaker: Anupam Mazumdar (Lancaster University)

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Experimental and Collider Aspects of SUSY Sidney Myer Asia G02G03 ()
Sidney Myer Asia G02G03
Convener: Zachary Louis Marshall (Lawrence Berkeley National Lab. (US))
14:00
Search for SUSY in hadronic final states with the AlphaT variable at CMS 20m
An inclusive search for supersymmetric processes that produce
final states with jets and missing transverse momentum is
performed in pp collisions at a centreofmass energy of 13
TeV. A dimensionless kinematic variable, aT, is used to
discriminate between events with genuine and
misreconstructed missing transverse momentum. A data
sample corresponding to an integrated luminosity of 2.3 fb1,
recorded by the CMS experiment at the LHC, is analysed. The
observed signal candidate event counts are found to be in
agreement with the expected contributions from standard
model processes and the result is interpreted in the mass
parameter space of supersymmetric simplified models.Speaker: Dr. Tai Sakuma (University of Bristol (GB)) 
14:20
Inclusive searches for squarks and gluinos in fully hadronic final states with the ATLAS detector 20m
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. This talk summarises recent ATLAS results on inclusive searches for promptly decaying supersymmetric squarks and gluinos in events containing jets, missing transverse momentum, and no leptons. The results presented are based on the data recorded at 13 TeV centre of mass energy.
Speaker: Manfredi Ronzani (AlbertLudwigsUniversitaet Freiburg (DE)) 
14:40
Search for supersymmetry in hadronic final states with the MT2 variable 20m
We present a search for supersymmetry in hadronic final
states with transverse momentum imbalance as measured by
the MT2 variable. Results are based on 2.3 fb1 of 13 TeV
protonproton collisions collected with the CMS detector . The
results are interpreted as limits on the masses of potential new
colored particles in a variety of simplified models of
supersymmetry, significantly improving existing the 8 TeV
limits.Speaker: Mario Masciovecchio (Eidgenoessische Tech. Hochschule Zuerich (CH)) 
15:00
Search for Rparity violating supersymmetric signals with the ATLAS detector 20m
Rparity violation introduces new signatures to be considered in the search for supersymmetry at the LHC. Strongly interacting resonances may decay to jets, sleptons may decay via leptonflavour violating processes and lightest supersymmetric particles may decay into many particles with or without missing transverse momentum. The talk presents recent results from searches of supersymmetry in resonance production and Rparity violating signatures with the ATLAS detector.
Speaker: Russell Woods Smith (Columbia University (US)) 
15:20
Experimental Constraints on Baryon Number Violation in Supersymmetry 20m
Baryon number violation (BNV) features in a number of physics beyond the Standard Model and is experimentally well motivated as it is one of the conditions for baryogenesis. In this talk, experimental results which are sensitive to BNV will be discussed in the context of Rparity violating supersymmetric scenarios with nonzero BNV couplings and a simplified sparticle mass spectrum. Focus is placed on processes in which baryon number is the only hitherto conserved quantity which is violated unlike, for example, single nucleon decay in which lepton number and baryon number must be violated. The suite of results considered comprises neutronantineutron oscillations, dinucleon decays, precision measurements of flavour transitions and CPviolation as well as LHC searches. The relative contributions of the different experimental observables in constraining BNV processes are studied. The impact of a new proposed search at the European Spallation Source for neutronantineutron oscillations, which is projected to improve sensitivity in the neutronantineutron oscillation probability by three orders of magnitude, is also quantified.
Speaker: Ruth Pottgen (Stockholm University (SE)) 
15:40
SUSY discovery potential of the ATLAS detector at an upgraded LHC 20m
The socalled highluminosity upgrade of the LHC will impose new technological challenges to the ATLAS detector, requiring the partial upgrade of the detector. Scenarios of SUSY sparticle production, among others, have been used as benchmark to drive the design of the component upgrades, and to evaluate the sensitivity of the upgraded accelerator and detector. This talk will give an overview of the expected sensitivity that the ATLAS experiment will have to SUSY sparticle production with 3000 fb1 pf protonproton collisions collected at a centre of mass energy of 14 TeV.
Speaker: Geoffrey Mullier (Universitaet Bern (CH))

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Flavour Physics Alice Hoy Room 309 ()
Alice Hoy Room 309
Convener: Phillip Urquijo (University of Melbourne (AU))
14:00
Studies of the rare decays B > K* l+ l and B > K pi pi gamma and search for B+ > K+ tau+ tau at BABAR 20m
Flavour changing neutral current processes, such as B > K()l+l where l = e+, mu+, tau+ are highly
suppressed in the Standard Model (SM). These rare decays occur at lowest order via 1loop diagrams, and contributions from virtual particles in the loop allow one to probe large mass scales at relatively low energies. We present here the most recent results based on the full BABAR data sample, collected at the energy of the Y(4S) resonance, which corresponds to 471 million BBbar pairs.
In particular, the decays B > K l+l (both charged and neutral modes) are studied using an angular analysis to extract the quantities A_FB and F_L, which are sensitive to potential effects of physics beyond the Standard Model. Furthermore, the quantity P_2, which is subject to smaller theoretical uncertainties and is more sensitive to nonSM contributions, is extracted.
We also present a search for the B+ > K+ tau+ tau decay. This search is performed on the recoil of a fully reconstructed Bmeson decay from the decay of Y(4S) > B+B, by looking for activity compatible with B+ > K+ tau+ tau decay and leptonic decays of the two tau’s in the rest of the event.
Finally, we report the measurement of the CP asymmetry in the radiative decay B0>Ks0 pi pi+ gamma, a quantity that is sensitive to possible processes where nonSM photon helicities are involved. The structure of the hadronic final state is studied using the isospinrelated decay B+ >K+ pi pi+ gamma.Speaker: Fergus Wilson (STFC  Rutherford Appleton Lab. (GB)) 
14:20
Radiative bhadron decays at LHCb 20m
Radiative bhadron decays are sensitive probes of New Physics through the study of branching fractions, CP asymmetries and measurements of the polarisation of the photon emitted in the decay. During Run 1 of the LHC, the LHCb experiment has collected large samples of radiative bhadron decays. We present here the latest LHCb measurements, including new results on the time dependence of $B_s \to \phi \gamma$ decays. These results help constrain the size of righthanded currents in extensions of the Standard Model.
Speaker: Olivier Deschamps (Univ. Blaise Pascal ClermontFe. II (FR)) 
14:40
SUSYrelated lepton and hadron flavour results from Belle 20m
SUSYrelated lepton and hadron flavour results from Belle
Speaker: Maria Rozanska (Polish Academy of Sciences (PL)) 
15:00
Rare leptonic and semileptonic bhadron decays 20m
Rare leptonic and semileptonic decays of B, D and K mesons provide sensitive indirect probes of effects beyond the Standard Model (SM). In the SM, these decays are forbidden at tree level and are therefore suppressed. In particular, the $b \to s \ell^+ \ell^$ processes give access to many observables where effects of New Physics can be observed. The LHCb experiment is designed for these searches due to its large acceptance and trigger efficiency, as well as its excellent invariant mass resolution and particle identification capabilities. Recent results on these searches will be presented. Moreover the possibility to measure new theoretically clean observables, such as the $B_s \to \mu \mu$ effective lifetime, will be also shown.
Speaker: Espen Eie Bowen (Universitaet Zuerich (CH)) 
15:20
Search for new physics phenomena with heavy flavour quarks in ATLAS 20m
ATLAS has a wide programme of activities in Bphysics. The results of studies in the electroweak sector and beyond SM searches will be discussed, including CP violation and mixing in the B0_s and B0 systems, rare decay of B0_(s) to muon pairs, and angular correlations in the decay of B0 to K*0 mu+mu.
Speaker: Maria Smizanska (Lancaster University (GB)) 
15:40
Heavy flavor result from CMS 20m
The available statistics of heavy flavored particles collected at the LHC in pp collisions at 7, 8 and 13 TeV provides an excellent opportunity to test the standard model and probe for New Physics. A review of selected recent measurements on heavy flavors by CMS based on LHC Run I and Run II data is presented, along with future prospects.
Speaker: George WeiShu Hou (National Taiwan University (TW))

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Higgs Physics Yasuko Hiraoka Myer Room ()
Yasuko Hiraoka Myer Room
Convener: Michele De Gruttola (CERN)
14:00
Measurement of cross sections and properties of the Higgs Boson in bosonic decay channels using the ATLAS detector 20m
The final Run 1 and first Run 2 results on the measurement of the cross sections and couplings of the Higgs boson in the diboson decay channel with the ATLAS detector are presented.
Speaker: Peter Kluit (Nikhef National institute for subatomic physics (NL)) 
14:20
Measurement of properties of the Higgs Boson in fermionic decay channels using the ATLAS detector 20m
The final Run 1 and first Run 2 results on the measurement and searches for the Higgs boson and Higgs boson pair production in the fermion decay channel with the ATLAS detector are presented.
Speaker: Carlo Enrico Pandini (Centre National de la Recherche Scientifique (FR)) 
14:40
Search for the 125 GeV Higgs Boson produced in association with top quarks: final run1 results and first run2 results from the ATLAS collaboration 20m
The search for the production of the Higgs Boson with a pair of topantitop quarks is both very important and very challenging. The final results from run1 are presented, with about 20 fb^(1) of data at 8 TeV, as well as first run2 results with 3.2 fb^(1) of data at 13 TeV.
Speaker: Ricardo Jose Morais Silva Goncalo (LIP Laboratorio de Instrumentacao e Fisica Experimental de Part) 
15:00
Combined ATLAS+CMS measurement of the properties of the Higgs Boson 20m
A review of the combination of the Higgs boson coupling measurements
using the data collected in 2011 and 2012 by the ATLAS and CMS experiments is presented.Speaker: Eric Feng (CERN) 
15:20
Search for a high mass Higgs Boson in bosonic decay modes using the ATLAS detector 20m
Several theories beyond the Standard Model, like the EWS or 2HDM models, predict the existence of high mass neutral Higgs particles, which could decay into final states with Weak bosons. In this presentation the latest ATLAS results on these searches will be discussed, using 3.2 ifb of pp collisions at 13 TeV.
Speaker: Dmitri Tsybychev (Stony Brook University (US)) 
15:40
Search for a high mass Higgs Boson in fermionic decay modes using the ATLAS detector 20m
Several theories beyond the Standard Model, like the EWS or 2HDM models, predict the existence of high mass neutral or charged Higgs particles, which could decay into final states with fermions. In this presentation the latest ATLAS results on these searches will be discussed, using 3.2 ifb of pp collisions at 13 TeV.
Speaker: Blake Oliver Burghgrave (Northern Illinois University (US))

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NonSUSY and Exotics Alice Hoy Room 242 ()
Alice Hoy Room 242
Convener: Paul Douglas Jackson (University of Adelaide)
14:00
Searches for new resonances decaying into bosons with the ATLAS detector 20m
Many extensions to the Standard Model predicts new particles decaying into
two bosons (WW, WZ, ZZ , W/Zgamma, W/ZH and HH) making this a smoking gun
signature. Searches for such diboson resonances have been performed in
final states with different numbers of leptons , photon and jets where new
identification techniques to disentangle the decay products in highly
boosted configuration are being used. This talk summarizes ATLAS searches
for diboson resonances with LHC Run 2 data.Speaker: Savanna Marie Shaw (University of Manchester) 
14:20
Search for heavy resonances decaying to dibosons at CMS 20m
Beyond the standard model theories like ExtraDimensions and Composite Higgs scenarios predict the existence of very heavy resonances compatible with a spin 0 (Radion),spin 1 (W’, Z’) and spin 2 (Graviton) particle with large branching fractions in pairs of standard model bosons and negligible branching fractions to light fermions. We present an overview of searches for new physics containing W, Z or H bosons in the final state, using protonproton collision data collected with the CMS detector at the CERN LHC.
Many results use novel analysis techniques to identify and reconstruct highly boosted final states that are created in these topologies. These techniques provide increased sensitivity to new highmass particles over traditional search methods.Speaker: Devdatta Majumder (University of Kansas (KU)) 
14:40
Searches for BSM physics in dijet and multijet final states at CMS 20m
Results of searches for new physics in the dijet and multijet final states are presented. These include modelindependent and modelspecific searches using the dijet invariant mass spectrum and the dijet angular distributions, searches for black holes, quantum and microscopic, in multijet events, as well as searches for RPV SUSY in events with paired dijets. This talk focuses on the recent results obtained using data collected during the 2015 run as well as the first part of the 2016 run.
Speaker: Javier Mauricio Duarte (California Institute of Technology (US)) 
15:00
Searches for new phenomena in highpT lepton final states using the ATLAS detector 20m
Searches for physics beyond the Standard Model are performed in final
states with highpT leptons (including tau final states). We will
present results of searches for resonant, and nonresonant phenomena
in dilepton final states, searches for new phenomena in lepton +
missing momentum and lepton flavour violating final states. These
searches target a large range of beyond the Standard Model
phenomenology ranging from new massive W’ or Z’ bosons, Gravitons,
extra dimensions, black holes, contact interactions and heavy
sneutrinos. The full 2015 LHC protonproton dataset is combined with
the data which has been collected so far during 2016, at √s = 13 TeV.Speaker: Yosuke Takubo (High Energy Accelerator Research Organization (JP)) 
15:20
Searches for BSM physics in dilepton, multilepton, and lepton+MET final states at CMS 20m
Numerous new physics models, e.g., theories with extra dimensions and various gaugegroup extensions of the standard model, predict the existence of new particles decaying to dilepton, multilepton, and lepton+MET final states. This talk presents searches for new physics in these three leptonic final states at CMS, focusing on the recent results obtained using data collected during the 2015 run as well as the first part of the 2016 run.
Speaker: Shilpi Jain (National Central University (TW)) 
15:40
Searches for BSM physics in final states with leptons and jets at CMS 20m
Results of searches for new particles such as leptoquarks, heavy neutrinos, and W bosons with righthanded couplings in final states with leptons (charged or neutral) and jets are presented. The emphasis is given to the recent results obtained using data collected at RunII of the LHC.
Speaker: Cristian Ignacio Pena Herrera (California Institute of Technology (US))

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Precision Calculations and Simulations Alice Hoy Room 333 ()
Alice Hoy Room 333
Convener: Peter Skands (Monash University (AU))
14:00
HEPfit: a Code for the Combination of Indirect and Direct Constraints on High Energy Physics Models 20m
HEPfit is a flexible tool which, given the Standard Model or any new physics extension, allows one to:
i) perform a Markov Chain Monte Carlo (MCMC) based fit of the model to an specified set of experimental observables;
ii) obtain numerical predictions for observables.
HEPfit can be used either in Monte Carlo mode, to perform a Bayesian MCMC analysis of the given model, or as a library, to obtain predictions of observables for a given point in the parameter space of the model, allowing our computational tool to be used in any statistical framework. A large set of electroweak, flavour and Higgs observables are implemented in the code along with a sizable set of new physics models.
The code is publicly available from the website of the HEPfit Collaboration: http://hepfit.roma1.infn.it
The developer version can be obtained from: https://github.com/silvest/HEPfit
Speaker: Dr. Jorge de Blas (INFN  National Institute for Nuclear Physics) 
14:20
Container technology for Phenomenology tools 20m
The MasterCode collaboration (http://cern.ch/mastercode) is concerned with the investigation and fits of supersymmetric models. Within the MasterCode collaboration, stateoftheart HEP Phenomenology codes are consistently combined to provide the most precise prediction for supersymmetric models to be confronted with experimental data.
Generally speaking, for the type of software developed in HEP Phenomenology, there is a lack of tools to enable the easy development and deployment of applications. Phenomenology applications have many dependences in terms of libraries and compilers that makes it difficult to deploy on traditional batch clusters due to system software version conflicts and related issues.
In this work we propose a framework based on "Container technology" to fill this gap. In particular such developments allow us to easily build, modify, distribute and run Mastercode in containerized form over multiple Cloud infrastructures.
Such an advanced computing framework has the potential of speeding up the
phases of development and deployment of complex scientific software used in
our research, with the corresponding impact in the results.Speaker: Sven Heinemeyer (CSIC (Santander, ES)) 
14:40
CheckMATE and SUSYAI 20m
A key research question at the Large Hadron Collider (LHC) is the test of models of new physics. In this talk, we want to present two tools to recast direct LHC results to (any) BSM models. First, we discuss CheckMATE (Check Models At Terascale Energies) which is a program package which accepts simulated event files in many formats for any model. The program then determines whether the model is excluded or not at 95% C.L. by comparing to many recent experimental analyses at the LHC. It is simple to use and the program structure allows for easy extensions to upcoming LHC results in the future. CheckMATE can be found at: http://checkmate.hepforge.org.
Testing if a particular parameter set of such a model is excluded by LHC data is a challenge: It requires the time consuming generation of scattering events, the simulation of the detector response, the event reconstruction, cross section calculations and analysis code to test against several hundred signal regions defined by the ATLAS and CMS experiment.
In the second part of the talk, we attack this challenge using a novel approach. A Machine Learning tool has learned to predict within a fraction of a millisecond if a model is excluded or not directly from the model parameters.
A first example (SUSYAI) is presented for the phenomenological Supersymmetric Standard Model (pMSSM). About 310,000 pMSSM model sets  each tested with 200 signal regions by ATLAS  have been used to train and validate SUSYAI. The code is now able to reproduce the ATLAS exclusion regions in 19 dimensions with an accuracy of at least 97%Speaker: Dr. Jong Soo Kim (IFT Madrid) 
15:00
Interpreting the simplified models results from the LHC with SModelS 20m
SModelS is a tool designed for the interpretation of the LHC searches
for Beyond Standard Model (BSM) physics based on Simplified Models
Spectra (SMS).SModelS performs the decomposition of arbitrary BSM scenarios
featuring a Z2 symmetry into their SMS components, and evaluates the
theoretical predictions for their production cross sections. These
predictions are then compared with the results from the LHC searches
implemented in a comprehensive and uptodate database, in the form of
cross section upper limit maps or signal efficiency maps.In particular the usage of efficiency maps is one of the main new
features of the upcoming version SModelS v1.1. It allows for the
combination of different simplified models for the evaluation of cross
section upper limits, thus increasing the constraining power of
SModelS.As an application, we show how SModelS has been used for the study of
specific supersymmetric models not only to constrain the theory's
parameter space, but also to highlight interesting regions currently
not covered by the experiments. This way we can also give feedback to
the experiments for where to look next.Speaker: Federico Ambrogi (Austrian Academy of Sciences (AT)) 
15:20
GAMBIT  A generalpurpose BeyondtheStandardModel global fitting tool 20m
In this talk I will present an overview of GAMBIT, a soontobe released nextgeneration opensource global fitting tool, along with preliminary MSSM fit results. The GAMBIT project aims to fill a need in the phenomenology community for a robust and extensible tool for interfacing the physics calculators, advanced statistical sampling algorithms, and likelihood calculations that are necessary for performing statistically valid global parameter fits and model comparisons in BeyondtheStandardModel theories. The first public release of GAMBIT will be focused on SUSY and Higgs portal models, and will ship with a comprehensive set of likelihood calculations (experimental constraints) including a variety that are usually not included in SUSY global fits such as indirect dark matter searches (IceCube, FermiLAT) and onthefly LHC event simulation.
Speaker: Dr. Benjamin Farmer (Oskar Klein Centre)

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SUSY Models Alice Hoy Room 225 ()
Alice Hoy Room 225
Convener: Andrew Fowlie (Monash University)
14:00
Phenomenological MSSM interpretation of CMS results 20m
Using a global Bayesian analysis, it is shown how the results
from searches for supersymmetry performed by CMS constrain
the Minimal Supersymmetric Standard Model (MSSM). The
study is performed within the framework of the
phenomenological MSSM (pMSSM), a 19parameter realization
of the Rparity conserving weakscale MSSM, that captures
most of the latter’s phenomenological features and which,
therefore, permits robust conclusions to be drawn about the
MSSM.Speaker: Jory Sonneveld 
14:20
Two (or more) Higgs bosons near 125 GeV in the complex NMSSM 20m
The two additional singletlike Higgs bosons, one scalar and one pseudoscalar, of the nexttominimal supersymmetric standard model (NMSSM) can result in some unique signatures at the Large Hadron Collider (LHC), helping establish the nonminimal nature of supersymmetry. In particular, there exists the possibility of one, or even both, of these new Higgs bosons being almost degenerate with the 125 GeV SMlike Higgs boson. When, motivated by the baryon asymmetry of the universe, CPviolating phases are explicitly invoked in the Higgs sector of the model, all the Higgs interaction eigenstates mix to give five CPindefinite physical states. In such a scenario, when the mass difference between two (or more) Higgs bosons near 125 GeV is comparable to their widths, the offdiagonal contributions to the propagator matrix ought to be taken into account. We perform a detailed analysis of the impact of these contributions on the diphoton production in gluon fusion via Higgs resonance near 125 GeV at the current LHC run. We find that these effect can become quite sizable, thereby invalidating both the narrow width approximation and the approach based solely on the treelevel interference, and thus considerably modifying the phenomenology of the observed Higgs boson.
Speaker: Dr. Shoaib Munir (KIAS, Seoul) 
14:40
The 750 GeV diphoton excess: models and precision tools 20m
Indications from ATLAS and CMS of a potential new resonance at 750 GeV have seen a wide range of models put forward to explain the excess. Obtaining precise theoretical predictions for a given model can be a formidable computational challenge. On the other hand, relying on simpler analytical approximations often leads to important subtleties being neglected or missed. Here we describe extensions to the Mathematica package SARAH and
the spectrum generators FlexibleSUSY and SPheno that enable the automatic calculation of the required diphoton and digluon rates, including crucial higher order corrections, in a large class of models. We have implemented a large number of models presented in the recent literature. We explain how these may be used to rigorously test the proposed models, emphasising cases in which the use of the tools makes a significant difference to the final
results. We then formulate a new SUSY model capable of accommodating the diphoton excess with a large width, and demonstrate the utility of the setup by studying the new model in detail without having to neglect physically important effects.Speaker: Dylan Harries (University of Adelaide) 
15:00
DiHiggs signatures from Rparity violating supersymmetry as the origin of neutrino mass 20m
Motivated by the naturalness and neutrino mass generation, we study a bilinear Rparity violating supersymmetric scenario with a light Higgsinolike lightest supersymmetric particle (LSP). We observe that the LSP dominantly decays to $\nu h$ in a large part of the parameter space, and thus study the pair production of electroweakinos followed by the decays $\tilde\chi^\pm_1\to \tilde\chi^0_1 W^{\pm*}$ and $\tilde\chi^0_1\to \nu h$. This leads to an interesting signature of Higgs boson pair production associated with significantly large missing transverse energy which is grossly distinct
from the diHiggs production in the Standard Model. We investigate the perspective of probing such signatures by performing a realistic detector level simulation of both the signal and corresponding backgrounds for the highluminosity high energy phase of the Large Hadron Collider (LHC). We also advocate some observables based on kinematical features to provide an excellent handle to suppress the backgrounds.Speaker: Pankaj Sharma (CoEPP, Adelaide) 
15:20
New SUSY Fits with MasterCode 20m
New and updated SUSY fits, using the MasterCode framework, are presented. In particular, results for new GUT based models are discussed.
Speaker: Sven Heinemeyer (CSIC (Santander, ES))

14:00

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Coffee Break 30m Sidney Myer Asia Centre Foyer ()
Sidney Myer Asia Centre Foyer

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Dark Matter and Particle Astrophysics Carillo Gantner Theatre ()
Carillo Gantner Theatre
Carrillo Gantner Theatre, Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Anupam Mazumdar (Lancaster University)
16:30
Dark Forces in the Sky: signals from Z' and the dark Higgs 20m
We consider the indirect detection signals for a selfconsistent hidden U (1) sector, containing a fermionic dark matter candidate, dark gauge boson and a Dark Higgs. The presence of an additional scalar, the Dark Higgs, provides a mass generation mechanism for the dark sector particles and is required to avoid unitarity violation at high energies. We find that the inclusion of the additional scalar to the sector opens up a new twobody channel and allows fermionic dark matter annihilation to be used to probe the properties of a scalar final state. We examine the phenomenology of the sector with a focus on this new process, and determine the limits on the model parameter space from Fermi data on Dwarf Spheriodal Galaxies and other relevant experiments.
Speaker: Dr. Yi Cai (The University of Melbourne) 
16:50
Constraints on dark matter annihilation to fermions and a photon 20m
We consider Majorana dark matter annihilation to fermion  antifermion pair and a photon in the effective field theory paradigm, by introducing dimension 6 and dimension 8 operators in the Lagrangian. For a given value of the cutoff scale, the latter dominates the annihilation process for heavier dark matter masses. We find a cancellation in the dark matter annihilation to a fermion  antifermion pair when considering the interference of the dimension 6 and the dimension 8 operators. Constraints on the effective scale cutoff is derived while considering indirect detection experiments and the relic density requirements and then comparing them to the bound coming from collider experiments.
Speaker: Debtosh Chowdhury (INFN, Rome) 
17:10
Indirect detection of subGeV dark matter 20m
Since the WIMP paradigm has dominated for decades, dark matter (DM) in the subGeV mass range is only now receiving significant attention. I will discuss indirect detection of such models in light of the recently proposed ComPair experiment, which will increase sensitivity to 1–100 MeV gamma rays by two orders of magnitude. Using a scalarmediated model as an example, I illustrate how to apply chiral perturbation theory to compute the cross section for dark matter annihilation to pions. I also present the gamma ray spectrum resulting from the subsequent charged and neutral pion decay. Finally, I explain how to perform this analysis for theories with different mediators and discuss cosmological issues.
Speaker: Adam Coogan (UC Santa Cruz) 
17:30
Dark matter annihilation into righthanded neutrinos and the galactic center gammaray excess 20m
We have studied a specific case that the dark matter particles annihilate into righthanded neutrinos. We calculate the predicted gammaray excess from the galactic center and compare our results with the data from the FermiLAT. An approximately 1060 GeV righthanded neutrino with heavier dark matter particle can perfectly explain the observed spectrum. The annihilation cross section ⟨σv⟩ falls within the range 0.54×10−26 cm3/s, which is roughly compatible with the WIMP annihilation cross section. This presentation is based on our work 1512.02899.
Speaker: YiLei Tang (Peking University)

16:30

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Experimental and Collider Aspects of SUSY Sidney Myer Asia G02G03 ()
Sidney Myer Asia G02G03
Convener: Geraldine Conti (CERN)
16:30
Inclusive searches for squarks and gluinos in final states with two opposite sign leptons with the ATLAS detector 20m
The decay of pair produced sparticles to the lightest supersymmetric particle via intermediate supersymmetric particles can yield final states with two opposite sign electrons or muons, jets, and missing transverse momentum. The searches performed by the ATLAS collaboration on this final state are reported, using data recorded at 13 TeV centre of mass energy. This includes two related searches, one searching at deviations from the Standard Model prediction on a wide range of values of the dilepton invariant mass, the other one focusing on the region of the Z boson peak.
Speaker: Jonathan Long (Urbana UI) 
16:50
Search for supersymmetry in events with two or more leptons in pp collisions at 13 TeV at CMS 20m
A search for supersymmetry is performed using events with
two or more isolated leptons and jets in the final state using
the CMS detector. Results are based on a sample of protonproton
collisions at a centreofmass energy of 13 TeV at the
LHC corresponding to an integrated luminosity of 2.3 fb1.
Constraints are set on the gluino and sbottom pair production
cross section; model independent limits and selection
efficiencies are also provided for additional model testing.Speaker: Jan Hendrik Hoss (Eidgenoessische Tech. Hochschule Zuerich (CH)) 
17:10
Inclusive searches for squarks and gluinos in final states with one or two same sign leptons with the ATLAS detector 20m
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. This talk summarises recent ATLAS results on inclusive searches for promptly decaying supersymmetric squarks and gluinos in events containing jets, missing transverse momentum, and either one or two same sign light leptons. The results presented are based on the data recorded at 13 TeV centre of mass energy.
Speaker: Moritz Backes (Oxford University) 
17:30
Search for supersymmetry in the singlelepton final state with CMS 20m
Results of searches for supersymmetry in events with a single, isolated electron or muon are presented. The data set
comprises protonproton collisions at a centreofmass energy
of 13 TeV, recorded by the CMS experiment. The results are
interpreted in models of strong production of supersymmetric
particles, with decay chains yielding thirdgeneration or light
quarks, a lepton, and missing transverse energy.Speaker: Claudia Seitz (Deutsches ElektronenSynchrotron (DE)) 
17:50
Searches for electroweak production of SUSY particles with the ATLAS detector 20m
Many supersymmetry models feature gauginos and also sleptons with masses less than a few hundred GeV. These can give rise to direct pair production rates at the LHC that can be observed in the data sample recorded by the ATLAS detector. The talk presents recent searches results obtained by the ATLAS collaboration, including interpretations of the run 1 searches in a reduced sector of parameter space of the phenomenological pMSSM, and in General Gauge Mediation models.
Speaker: Matthew Gignac (University of British Columbia (CA))

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Flavour Physics Alice Hoy Room 309 ()
Alice Hoy Room 309
Convener: German Valencia (Monash University)
16:30
Search for K+ to pi+ nu nu at NA62 20m
K+>pi+nunu is one of the theoretically cleanest meson decay where to look for indirect effects of new physics complementary to LHC searches. The NA62 experiment at CERN SPS is designed to measure the branching ratio of this decay with 10% precision. NA62 took data in pilot runs in 2014 and 2015 reaching the final designed beam intensity. The quality of data acquired in view of the final measurement will be presented.
Speaker: Mr. Michal Zamkovsky (Charles University (CZ)) 
16:50
The final result of the MEG experiment and the status of the MEG II experiment 20m
The MEG experiment, which searches for a lepton flavor violating muon decay, $\mu^{+} \rightarrow e^{+} \gamma$, to explore new physics like SUSYGUT, started physics data taking in 2008 at Paul Scherrer Institute in Switzerland, and finished it in 2013. Its innovative detector system enabled orders of magnitude better sensitivity than previous experiments. The analysis result of the full dataset of the MEG experiment is presented here.
In order to improve the sensitivity, it is necessary to improve resolutions and detection efficiencies of all the detector components, and to increase the muon beam intensity. The construction of the MEG II experiment is now in progress, and we will strat engineering run in 2017, aiming at one order of magnitude better sensitivity that the MEG experiment. The status of the MEG II experiment is also discussed.
Speaker: Dr. Toshiyuki Iwamoto (ICEPP, the University of Tokyo) 
17:10
Common origin of flavour anomalies and neutrino masses 20m
The same leptoquarks that explain the recently observed anomalies in rare B meson decays can generate naturally small Majorana neutrino masses at oneloop level through mixing with the standard model Higgs boson. We explore flavour model realisations with at least two leptoquark mediators to address these unresolved phenomena of the SM.
Speaker: Erik Schumacher

16:30

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Higgs Physics Yasuko Hiraoka Myer Room ()
Yasuko Hiraoka Myer Room
Convener: Michele De Gruttola (CERN)
16:30
Higgs measurements at the Future Circular Colliders 20m
After the Higgs boson discovery, the precision measurements and searches for new phenomena in the Higgs sector are among the most important goals in particle physics. Experiments at the Future Circular Colliders (FCC) are ideal to study these questions. Electronpositron collisions up to an energy of 350 GeV (FCCee) provide the ultimate precision with studies of Higgs boson couplings, mass, total width and CP parameters, as well as searches for exotic and invisible decays. The feasibility of observation of the schannel production e+e → H(125) is reviewed. We conclude by noting the remarkable complementarity of the FCCee and FCChh colliders, which in combination offer the best possible overall study of the Higgs boson properties.
Speaker: Christophe Grojean (DESY (Hamburg) and ICREA/IFAE (Barcelona)) 
16:50
MSSM Higgs Interpretations after LHC Run 1 20m
Focussing on the MSSM Higgs sector, we present a multidimensional fit of the pMSSM to the LHC Run 1 results, taking into account the measurements of Higgs and low energy observables as well as constraints from direct SUSY searches. We investigate in how much the MSSM can provide a good description of the experimental data, and which parts of the MSSM parameter space are favoured. We analyse different viable scenarios where the Higgs signal is interpreted either as the light MSSM Higgs (via decoupling or alignment) or as the heavy MSSM Higgs.
Speaker: Lisa Zeune 
17:10
FeynHiggs: New and improved predictions for the (N)MSSM 20m
We present new results and improved predictions for the Higgs sector in the (N)MSSSM, based on the implementation into our code FeynHiggs.
Speaker: Sven Heinemeyer (CSIC (Santander, ES)) 
17:30
LHC Run2 Bounds on the Z' boson mass in Classically Conformal U(1)' extended SM with Electroweak Vacuum Stability 20m
With the LHC Run2 results at 13 TeV, we perform the calculation on the lower bound on the Z' boson mass in the context of the general U(1) gauged extension of the standard model with classically scale invariance and the electroweak vacuum stability at 2loop level. The model is called the classically conformal U(1)' extended standard model which is a phenomenologically viable one that realizes ColemanWeinbergtype breaking of the electroweak symmetry. The model can naturally provide a solution to one of the most important problem in the standard model, gauge hierarchy problem, and also solving the SM Higgs vacuum instability with having nonzero U(1)' charge of the SM Higgs, which is contrast to the U(1)$_{BL}$ case. In this study, we perform the calculation at 2loop level where we find the parameter regions for solving the SM Higgs instability. We plot the allowed parameter regions with three free parameters, the U(1)' gauge coupling, the U(1)' charge of the SM higgs, and the vacuum expectation value of the new additional singlet Higgs. We find that U(1)$_{BL}$ and orthogonal model are excluded from having the electroweak vacuum stability with the currenct world average of the experimental data, $m_t =173.34$ GeV and $m_h=125.09$ GeV. Finally, we find that the current collider bounds are around $m_{Z'} > 3.5$ TeV, and naturalness bounds are around $m_{Z'} < 7$ TeV in order to avoid a finetuning severer than 10% level, where the Z' boson can be detected at the current LHC Run2 experiment in the near future.
Speaker: Daisuke Takahashi (OIST [Okinawa institute of Science and Technology Graduate University])

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NonSUSY and Exotics Alice Hoy Room 242 ()
Alice Hoy Room 242
Convener: Prof. Kevin Varvell (University of Sydney (AU))
16:30
Searches for new phenomena in highpT lepton final states and jets using the ATLAS detector 20m
Searches for physics beyond the Standard Model are performed in final
states with at least one highpT lepton and jets. These searches target a
large range of beyond the Standard Model phenomenology ranging from
leptoquarks, heavy leptons and strong gravity effects. The full 2015 LHC
protonproton dataset is combined with the data which has been collected so
far during 2016, at √s = 13 TeV.Speaker: Rui Zhang (Universitaet Bonn (DE)) 
16:50
Search for ttbar resonances with the ATLAS detector 20m
In the present talk the search for new resonances decaying to ttbar.
The search is performed with the ATLAS experiment at the LHC using
protonproton collision data. The current status of the ATLAS searches
will be reviewed, addressing the used analysis techniques, in particular
the selection criteria, the background modelling and the related
experimental uncertainties.Speaker: David Sosa Corral (RuprechtKarlsUniversitaet Heidelberg (DE)) 
17:10
Search for heavy resonances coupling to third generation quarks at CMS 20m
Many models of physics beyond the Standard Model (SM) contain enhanced couplings to third generation quarks. We present an overview of searches for new physics containing top and bottom quarks in the final state, using proton proton collision data collected with the CMS detector at the CERN LHC at a centerofmass energy of 13 TeV. These results cover nonSUSY based extensions of the SM, including heavy gauge bosons or excited third generation quarks. Decay channels to vectorlike top partner quarks, such as T, are also considered. This results in a toppairlike final state, as the T decays to a W boson and bottom quark; however the reconstructed mass of the T can be used to further signal discrimination. We explore the use of jet substructure techniques to reconstruct the highly boosted objects in events, enhancing the sensitivity of these searches.
Speaker: Douglas Ryan Berry (University of Illinois at Chicago (US)) 
17:30
Search for fermionic top partners at CMS 20m
We present results of searches for massive top and bottom quark partners using protonproton collision data collected with the CMS detector at the CERN LHC at a centerofmass energy of 8 and 13 TeV. These fourthgeneration vectorlike quarks are postulated to solve the Hierarchy problem and stabilize the Higgs mass, while escaping constraints on the Higgs cross section measurement. The vectorlike quark can be produced singly or in pair and their decays result in a variety of final states, containing top and bottom quarks, gauge and Higgs bosons. We search using several categories of reconstructed objects, from multileptonic to fully hadronic final states. We set exclusion limits on both the vector like quark mass and cross sections, for combinations of the vectorlike quark branching ratios.
Speaker: Heiner Tholen (Hamburg University (DE)) 
17:50
Search for vectorlike quarks with the ATLAS detector 20m
New vector quarks appear in many beyond the Standard Model trying to
cancel the mass divergence for the Higgs boson. At the LHC such new
quarks can be produced singly or in pairs and, depending on their
decays, can originate several different final states. A topological
approach was followed by ATLAS, allowing to comprehensively cover such
final states in a model independent way. The status of these searches
will be reviewed, with emphasis on the complementarity between the
different analysis.Speaker: Daiki Yamaguchi (Tokyo Institute of Technology (JP))

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Precision Calculations and Simulations Alice Hoy Room 333 ()
Alice Hoy Room 333
Convener: Zachary Louis Marshall (Lawrence Berkeley National Lab. (US))
16:30
RenormalizationScale Uncertainty in the Decay Rate of False Vacuum 20m
It is sometimes discussed that we may be in a metastable vacuum and its decay time is longer than the age of universe. In most papers, the decay rate is estimated without calculating the preexponential factor because they believe that it is much less significant than the exponential suppression factor. What we point out is that this estimate can involve a large error owing to the renormalization scale uncertainty. Since the renormalization scale is relevant in calculation of bounce solution and its action, it modifies the decay rate and the uncertainty can be comparable to the exponential factor. To control the scale dependence, we explicitly calculate the preexponential factor and show that it is greatly reduced.
Speaker: Yutaro Shoji (University of Tokyo) 
16:50
Model independent constraints on new physics with HEPfit 20m
We present up to date limits from electroweak precision observables and Higgsboson signal strengths on new physics beyond the Standard Model. We consider general extensions such as new physics in the form of oblique parameters, modified Zbb couplings, or modified Higgsboson couplings, as well as the modelindependent parameterization given by the dimensionsix StandardModel effective Lagrangian. We compare these results with the projection of the fit with the expected experimental improvements at future e+e colliders. All the results have been computed with HEPfit code.
Speaker: Dr. Jorge de Blas (INFN  National Institute for Nuclear Physics)

16:30

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SUSY Models Alice Hoy Room 225 ()
Alice Hoy Room 225
Convener: Csaba Balazs (Monash University)
16:30
Vacuum Stability Bounds on Lepton Flavor Violating Trilinear Softterms in the General MSSM 20m
The stability of the standard electroweak vacuum imposes constraints on flavor violating trilinear soft terms which are comparable to the experimental bounds coming from the absence of the flavor changing neutral currents. Furthermore, contrary to the bounds coming from flavor changing neutral currents, the vacuum stability constraints do not decouple even if the scale of supersymmetry breaking is arbitrarily large. We pinpoint the regions in supersymmetric parameter space, compatible with vacuum stability and the experimental results from the LHC and predict the rates of various lepton flavor violating processes in these regions. Moreover, results coming from demanding the vacuum being metastable are juxtaposed to the ones in which vacuum being absolutely stable in nature. We further discuss the dependency on the other related supersymmetric parameters on the result. We assess the prospect for present and future flavor factories while keeping the supersymmetry breaking scale within the LHC reach.
Speaker: Debtosh Chowdhury (INFN, Sezione di Roma) 
16:50
Mass Spectrum and Dark Matter in the CSE6SSM 20m
$E_6$ inspired SUSY models are a wellmotivated class of models that can solve the $\mu$ problem in the MSSM and allow for the treelevel Higgs mass to be increased. In the simplest variants of these models, multiple exact and approximate discrete symmetries must be introduced for the model to be phenomenologically viable. Here we study a constrained version of a recently proposed $E_6$ inspired model, the CSE$_6$SSM, in which only a single, exact custodial symmetry is required. We perform scans over the parameter space of
the model to identify regions with a SMlike Higgs with a mass of 125 GeV and sparticle masses above existing limits. The obtained solutions lead to distinctive new physics signatures that would enable the model to be discovered at run II of the LHC. At the same time, the observed dark matter relic abundance is accounted for by the lightest MSSMlike neutralino. We find that in these scenarios the predicted direct detection cross sections are close to the current limits from LUX and would be easily discoverable at XENON1T.Speaker: Dylan Harries (University of Adelaide) 
17:10
From E8inspired SUSY trinification to a LR symmetric theory 20m
In this talk we propose a new supersymmetric model based on the trinification gauge group with global SU(3) flavour symmetry. We aim at solving the major issues of conventional trinification GUTs, such us multiTeV SM fermion masses, as well as providing a natural way to introduce a SU(2)_L x SU(2)_R symmetry. We investigate whether it is possible to spontaneously break the original gauge symmetry and find that the minimal field content allowing for stable vacuum solutions requires three copies of a full E6 27plet, three gauge octets from an adjoint 78plet and a flavour octet, all belonging to a common fundamental 246plet of E8. Unlike older realizations, the new flavour symmetry forbids leptons from acquiring treelevel masses naturally suppressing them from the GUT scale. Besides gauge coupling unification we also predict novel features such as topbottomtau Yukawa unification alongside with Higgslepton unification, which are only possible in supersymmetric realizations of the trinification model.
Speaker: Antonio Morais (Universities of Aveiro and Lund) 
17:30
The anomalous magnetic moment of the muon in a GUT model with A4 × Z5 family symmetry 20m
We will discuss the low energy predictions arising from a GUT scale PatiSalam gauge group with an A4 × Z5 family symmetry. This results in four soft scalar masses at the GUT scale: one lefthanded soft mass and three righthanded soft masses, one for each generation. We will show that this model can correctly describe measurements of the anomalous magnetic moment of the muon, which currently suffers a puzzling 3σ excess of the experimentally measured value over the theoretical prediction. As the consequence, the model predicts specific regions of the MSSM parameter space including light smuons and neutralinos, which may also potentially explain dilepton excesses observed by CMS and ATLAS.
Speaker: David Miller (University of Glasgow)

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Plenary: Tuesday session 1 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: David Miller (University of Glasgow)
09:00
SUSY with radiativelydriven naturalness and implications for LHC, ILC, WIMP and axion searches 30mSpeaker: Howard Baer (University of Oklahoma)
 09:30

10:00
Higherorder SUSY Higgs 30mSpeaker: Georg Ralf Weiglein (Deutsches ElektronenSynchrotron (DE))

09:00

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Coffee Break 30m Sidney Myer Asia Centre Foyer ()
Sidney Myer Asia Centre Foyer

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Plenary: Tuesday session 2 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Mihoko Nojiri (KEK)
11:00
A Dark Needle in a Bright Haystack: Two stories of Astrophysical Searches for Dark Matter. 30mSpeaker: Stefano Profumo (Unknown)
 11:30

12:00
Cosmic microwave background implications for particle physics. 30mSpeaker: Yvonne Wong (The University of New South Wales)

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Lunch break 1h 30m

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Dark Matter and Particle Astrophysics Carillo Gantner Theatre ()
Carillo Gantner Theatre
Carrillo Gantner Theatre, Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Genevieve Belanger (Laboratoire d'AnnecyleVieux de Physique Théorique)
14:00
Searching for Dark Matter with the ATLAS Detector 20mWhile it is known that about 85% of the matter in the universe is in the form of Dark Matter (DM), little is known about its properties. As they should interact only weakly, if DM particles are produced in the protonproton collisions at the LHC, they would be measured as missing transverse momentum (MET) in the detectors. Recent results from the ATLAS experiment based on the presence of large MET along with a variety of objects will be discussed.Speaker: Laser Seymour Kaplan (University of WisconsinMadison (US))

14:20
Searches for dark matter in hadronic final states at CMS 20m
Searches in CMS for dark matter in final states with invisible particles recoiling against hadronic final states are presented. Various topologies and kinematic variables are explored, as well as jet substructure as a means of tagging heavy bosons. The focus of the talk is the recent results obtained using data collected at the RunII of the LHC.
Speaker: Cristian Ignacio Pena Herrera (California Institute of Technology (US)) 
14:40
Searches for dark matter in nonhadronic final states at CMS 20m
Searches in CMS for dark matter in final states with invisible particles recoiling against leptons and photons are presented. Various topologies are explored, covering several specific darkmatter production modes. The talk focuses on the recent results obtained using data collected at RunII of the LHC.
Speaker: Bhawna Gomber (University of Wisconsin (US)) 
15:00
Searches for dark matter in heavyflavor final states at CMS 20m
Searches in CMS for dark matter in final states with invisible particles recoiling against top or bottom quarks are presented. Various topologies are explored, covering several specific darkmatter production modes. The focus of the talk is the recent results obtained using data collected at the RunII of the LHC.
Speaker: Douglas Ryan Berry (University of Illinois at Chicago (US)) 
15:20
Unitarity constraints for Effective Field Theories 20m
Effective Field Theories have shown to suffer from some validity problems when applied to DM search at collider. EFT operators are generated by integrating out heavy mediators of some UV theory, and therefore are valid up to some energy scale below the mass of the integrated out particles.
To overcome such problems, different proposals have been made. An appealing possibility is certainly to switch from EFT to simplified models. Anyway this enlarges the parameter space and introduces some model dependence.
It would be certainly useful to be able to work with EFT, despite of such validity issues, given its modelindependent and simple framework. A development in such direction was the introduction of truncation of the simulated events.
To calculate the expected cross section, one may retain only the events that have a momentum transfer below a certain treshold, usually identified with the mass of the heavy integrated out mediator. In this talk we analyse limitations coming from unitarity bounds, showing that in some cases unitarity may break at energies below the mass of the heavy mediator, and therefore in such cases additional constrains have to be enforced on the EFT.
Using the K matrix formalism, we propose a way to force the theory to satisfy such additional constrains.Speaker: Dr. Giorgio Busoni (University of Melbourne) 
15:40
Massconstraining variables to confront dark matter production at the LHC 20m
After successful discovery of the Higgs boson, the LHC presently confronts the major challenge in searching for new physics. Any such observation necessitates the determination of mass and other quantum numbers like spin, polarization etc for the new resonance. Most of the BSM theories motivated from profound experimental indication of dark matter (DM), trying to accommodate them as some stable BSM particle within their framework. In a wide class of such scenario, any production of heavy resonance particles eventually decay semiinvisibly resulting at least two massive stable undetectable particles in the final state. Reconstruction of these events at a hadron collider or the mass determination of these new particles are challenging. Here we discuss two interesting massconstraining variables, $M_{2Cons}$ and $\sqrt{\hat{s}}$, which possess an array of rich features having the ability to use onshell mass constraints inclusively. We argue the consequence of applying the additional resonance massshell constraint in the context of a semiinvisible antler decay topology produced at the LHC. Our proposed variable, under additional constraint, develops a new kink solution at the true masses. This enables one to determine the invisible (DM) particle mass simultaneously with the parent particle mass from these events. We also demonstrate the ability of these constrained variables to reconstruct the semiinvisible events with the momenta of invisible particles and thus improving the measurements to reveal the properties of new physics.
Speaker: Mr. Abhaya Kumar Swain (Physical Research Laboratory)

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Experimental and Collider Aspects of SUSY Sidney Myer Asia G02G03 ()
Sidney Myer Asia G02G03
Convener: Martin John White (University of Adelaide (AU))
14:00
The Recursive Jigsaw Reconstruction technique 20m
Signal events where multiple missing neutral particles are present in a final state represent challenging topologies to search for new physics at the LHC. The key to any search is the ability to separate backgroundlike events from signallike events. Identifying such signallike events, and extracting their properties, is exacerbated by
a lack of knowledge of the particle masses and some missing kinematic handles. The "Recursive Jigsaw" reconstruction technique introduces a new approach to extracting information in events with open final states resulting from pairproduction of objects.We demonstrate sensitive analysis strategies to search for beyond standard model signatures by decomposing the final state objects into hemispheres and further subdividing them where necessary, based on the topology of interest. Backgrounds are controlled without recourse to conventional approaches based on variables such as missing transverse momentum and effective mass to select regions of sensitivity. Applications of the technique will be shown.
Speaker: Lawrence Lee Jr (University of Adelaide) 
14:20
Inclusive searches for SUSY using the razor variables in CMS 20m
We present the latest SUSY search results using the razor
kinematic variables in CMS. An inclusive strategy is adopted
using multijet events with zero or one lepton, categorized in
the number jets and btags, which is sensitive to a wide
variety of SUSY scenarios. Results are interpreted in terms of
limits of gluino pair production decaying to stops, sbottoms,
and squarks, as well as squark pair production.Speaker: Javier Mauricio Duarte (California Institute of Technology (US)) 
14:40
Search for gluinos decaying via top or bottom squarks with the ATLAS detector 20m
Naturalness arguments favour supersymmetric particle spectra with the partners of the Higgs boson, top and bottom quarks, and gluons within the reach of the LHC. Searches for gluinos decaying to the lightest supersymmetric particle via real or virtual third generation squarks are thus well motivated. This talk present searches performed by the ATLAS collaboration with such final states, using data recorded at 13 TeV centre of mass energy.
Speaker: Maximilian J Swiatlowski (University of Chicago (US)) 
15:00
Search for third generation squarks in pp collisions at 13 TeV at CMS 20m
We present results from the search for third generation
squarks (stops and bottoms) in pp collisions at 13 TeV with the
CMS detector.Speaker: Florent Sylvain Lacroix (University of California Riverside (US)) 
15:20
Search for direct stop and sbottom pair production with the ATLAS detector 20m
Naturalness arguments favour supersymmetric particle spectra with relatively light partners of the top and bottom quarks. Top or bottom squarks with masses less than a few hundred GeV can give rise to direct pair production rates in protonproton collisions at the LHC that can be observed with the ATLAS detector. The talk presents recent ATLAS results from searches for direct stop and sbottom pair production, using data recorded at 13 TeV centre of mass energy.
Speaker: Silvia Fracchia (Universitat Autònoma de Barcelona (ES)) 
15:40
Search for supersymmetry in the multijet and missing transverse momentum channel in pp collisions at 13 TeV 20m
A search for new physics is performed based on multijet
events with large missing transverse momentum produced in
13 TeV protonproton collisions. The data sample,
corresponding to an integrated luminosity of 2.3 fb1, was
collected with the CMS detector at Run 2 of the CERN LHC. The
data are examined in search regions of jet multiplicity,
bottomquark jet multiplicity, missing transverse momentum,
and the scalar sum of jet transverse momenta. Exclusion limits
are presented for simplified supersymmetric models of gluino
pair production.These results significantly extend the limits
from LHC Run 1.Speaker: Kevin Pedro (Fermi National Accelerator Lab)

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Flavour Physics Alice Hoy Room 309 ()
Alice Hoy Room 309
Convener: XiaoGang He
14:00
Lepton Flavor and Number Violation in Left Right Models 20m
If the LeftRight Symmetric Model (LRM) realized at the TeV scale provides the correct
explanation of the diboson excess observed at the 8 TeV LHC by ATLAS and CMS, then there
are numerous implications for physics at lower energy scales involving many aspects of the
leptonic sector. These include lepton numberviolating processes such as $\beta \beta_{0\nu}$, lepton flavorviolating (LFV) processes, such as $\mu \to 3e$, $\mu \to e\gamma$ and $\mu \to e$ conversion, as well as lepton numberconserving processes, such as M{\o}ller scattering, the $g2$ of the muon and $\mu$ decay itself. To explore these numerous implications we have performed a detailed examination of the relevant parameter space of the LRM to ascertain the capabilities of these various processes to probe this space and the complementarity among them. We find that future measurements of both $\mu \to e$ conversion and $\mu \to 3e$ will be particularly valuable in this regard. Even if the connection to the diboson excess is surrendered we find that the important complementarity of these multiple probes of the LRM leptonic sector is maintained.Speaker: Dr. Thomas Rizzo (SLAC) 
14:20
Top Flavor Changing Neutral Higgs Interactions at the LHC 20m
A general two Higgs doublet model (2HDM) is adopted to study the signature of
flavor changing neutral Higgs (FCNH) decay
$\phi^0 \to t\bar{c}+\bar{t}c$, where
$\phi^0$ could be a CPeven scalar ($H^0$) or a CPodd pseudoscalar ($A^0$)
as well as $t \to c h^0$.
Measurement of the light 125 GeV neutral Higgs boson ($h^0$) couplings at the
Large Hadron Collider (LHC) favor the decoupling limit or the alignment limit
of a 2HDM, in which gauge boson and diagonal fermion couplings of $h^0$
approach Standard Model values.
In such limit, FCNH couplings of $h^0$ are naturally
suppressed by a small mixing parameter $\cos(\beta\alpha)$, while the
offdiagonal couplings of heavier neutral scalars $\phi^0$ are sustained by
$\sin(\beta\alpha) \sim 1$.
We study physics background from dominant processes with realistic acceptance
cuts and tagging efficiencies. Promising results are found for the LHC running
at 13 or 14 TeV collision energies.Speaker: Prof. Chung Kao (University of Oklahoma) 
14:40
LHC vs. Precision Experiments  A comparison of LFV D6 operators QQLL at the LHC and Precision Experiments 20m
Precision experiments usually lead to the best limits on lepton flavour violating operators. However in light of the new possibilities at the LHC, one might wonder, how its capability to test lepton flavour violating processes compares to precision experiments.
I will present a sensitivity study of the LHC to lepton flavour violating operators of dimension 6 with two same flavour quarks and different flavour leptons and compare its reach to results from precision measurements of lepton flavour violating processes. For light quarks precision measurements yield the most stringent constraints. The LHC complements precision measurements for operators with heavier quarks. Competitive limits can already be set on the cutoff scale Λ > 600–800 GeV for operators with righthanded τ leptons using the LHC run 1 data.Speaker: Michael Schmidt (The University of Sydney) 
15:00
Studies of Higgs and flavour physics at the high pT frontier (top & FCNC) with ATLAS 20m
The studies performed by ATLAS in the sector of flavour physics in the highpT range will be discussed, including FCNC in top decays involving coupling to gamma, Z, and Higgs, single top production, and leptonflavour violation in Higgs decays.
Speaker: Jana Schaarschmidt (Weizmann Institute of Science (IL)) 
15:20
Tests of Lepton Flavour Universality and searches for Lepton Flavor Violation at LHCb 20m
The Standard Model predicts, with small uncertainties, the ratios of branching fractions of rare decays involving different lepton flavours to be unity up to lepton mass corrections. The universality of lepton couplings has been tested using the LHCb run 1 dataset, resulting in some tensions with the predicted values. Lepton nonuniversality would be a major departure from the Standard Model and may also be accompanied by lepton flavour violation. Recent tests of lepton flavour universality and searches for lepton flavour violation decays at LHCb will be presented.
Speaker: Gerco Onderwater (Groningen, KVI)

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Formal Field and String Theory Alice Hoy Room 333 ()
Alice Hoy Room 333
Convener: Sergei Kuzenko (The University of Western Australia)
14:00
Supergravity Spectra in Type IIB Flux Compactifications 20m
I will present results from work done with David Marsh (DAMTP, Cambridge) on the spectra of type IIB flux compactifications at large complex structure, as reported in our paper in JHEP (arXiv:1509.06761). In this work we considered fourdimensional effective supergravities arising in the lowenergy limit of flux compactifications of type IIB string theory, and we computed the spectra of the Hessian matrix and the matrix that governs the critical point equation, at large complex structure. We found both spectra analytically in a subspace of the moduli space, independently of many details of the compactification. The resulting eigenvalue distributions are remarkably given by highly degenerate eigenvalues at integer multiples of the value of the superpotential and the gravitino mass. In this subspace, while the spectrum of the Hessian matrix contains no tachyons, there are also no critical points. Our results imply that proposed random matrix theory models are inapplicable at large complex structure, and we argue that for more general compactifications, existing ‘universality theorems’ in the random matrix theory literature may not apply. In this poster, after outlining the context, I will present the key results of this work. I will also include a discussion contrasting our results with the expectations from the muchused continuous flux approximation, and outlining the implications for the applicability of random matrix theory to the statistical modelling of the string theory landscape.
Speaker: Mr. Callum Brodie (Rudolf Peierls Centre for Theoretical Physics, University of Oxford) 
14:20
Localization and Supersymmetric Entanglement Renyi entropy 20m
We calculate Renyi entropy in supergravity background and recover the trivial entanglement entropy from localization terms. We calculate the twopoint function of the energymomentum tensors and study the analytic properties of Renyi entropy in largeN limit. We find the gravity duals of the supersymmetric Renyi entropies as a supersymmetric topological AdS4 black hole and evaluate the onshell action together with the free energy for the gravity dual solution.
Speaker: Eric Howard (Macquarie University) 
14:40
Supersymmetric nonlocal theories 20m
We construct N = 1 supersymmetric nonlocal theories in four dimension. We discuss Higher derivative extension of Kahler potential as well as that of superpotential. Then, we obtain the onshell condition. As a concrete example, we consider nonlocal extension of the O'RAIFERATAIGH model and discuss how the mass formula is modified in comparison to the local case.
Speaker: Prof. Masahide Yamaguchi (Tokyo Institute of Technology) 
15:00
Partiton Function of U(N) 5D Gauge Theory with Hypermultiplets via 2D Topological Field Theory Amplitudes 20m
Engineering of supersymmetric(SUSY) gauge theories in string theories is a powerful tool to study the SUSY gauge theories and has lead to many fascinating dualities. It has been recently found that SUSY indices of certain SUSY gauge theories are related to two dimensional topological field theories (TFTs). For example, U(1) gauge theory with gadjoint hypermultiplets can be engineered using CalabiYau Threefolds (CY3s) that are C^2 bundles over genusg surfaces. Vafa et.al. and Pandharipande et. al. have shown that the partition function of the topological string theory on these CY3s can be obtained via partition functions of certain 2d TFT which is just the qdeformed YangMills theory. The partition function of the gauge theory itself can be built from amplitudes of the 2d TFT which are just the open string amplitudes of the corresponding CY3.
We generalize this result to U(N) gauge theory with gadjoint hypermultiplets via geometric engineering on a CalabiYau threefold that is A_N ( resolution of singularity) fibration on genusg curve by relating the open string theory amplitudes on this CalabiYau with the amplitudes of 2d TFT which in this case is just quiver qdeformed gauge theory.
Note: This talk is built upon the work that is published in JHEP 1512 (2015) 017.
Speaker: Babar Qureshi (School of Science & Engineering, LUMS, D.H.A, Lahore, Pakistan) 
15:20
Holographic models with a small cosmological constant at Finite Temperature 20m
The cosmological constant problem can be reformulated in the brane world models. It was recently proposed that in “generalized” holographic RandallSundrum like models of spontaneously broken conformal invariance, a naturally light dilaton can be obtained via the condensation of a near marginal operator. The resulting 4D effective cosmological constant is also suppressed. We discuss a “softwall” realization of the Randall Sundrum geometry where the infrared brane plays a lesser role as a cutoff for large curvature effects and low energy observables such as spectrum of states are largely insensitive to its position. We then explore the finite temperature behavior of such models by studying geometries which include a horizon or a “black brane” along the extra dimension in the presence of nontrivial scalar field vacuum expectation value. A first order geometric phase transition proceeds via bubble nucleation between the two different gravity solutions. We shall then compare these results to the Randall Sundrum phase transition with GoldbergerWise stabilization.
Speaker: Bithika Jain (Korea Institute for Advanced Study, South Korea) 
15:40
Spectrum and mode functions in the presence of a branelocalized mass in six dimensions 20m
In many extradimensional models, branelocalized mass terms are introduced in order to decouple unnecessary exotic particles from the fourdimensional effective theory. However, it should be noted that the impacts of the branelocalized terms become smaller as the codimensions increase. Thus it should numerically be checked how heavy the exotic parcticles can be by them. Here we study the effects of a branelocalized mass on
the KK mass eigenvalues and the mode functions of a bulk field in twodimensional compact space.Speaker: Dr. Yutaka Sakamura (Japan/KEK)

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Higgs Physics Yasuko Hiraoka Myer Room ()
Yasuko Hiraoka Myer Room
Convener: ZhaoHuan Yu (University of Melbourne)
14:00
Search for nonstandard and rare decays of the Higgs boson with the ATLAS detector 20m
Some theories predict Lepton Flavour Violating decays of the Higgs boson, while other predict enhanced decay rates in rare modes like Zphoton, J/Psiphoton, Phiphoton or into pairs of light pseudoscalar bosons "a". Such decays are searched for using about 10 ifb of pp collisions at 13 TeV.
Speaker: Philip Chang (Univ. Illinois at UrbanaChampaign (US)) 
14:20
BSM Higgs searches with CMS experiment 20m
Recent results on searches for Beyond Standard Model production of Higgs bosons at the LHC by the CMS collaboration are presented. Minimal supersymmetric models (MSSM), nexttominimal supersymmetric models (NMSSM) and generic twohiggsdoublet models (2HDM) are explored.
Additional Higgs bosons (pseudoscalar, charged, light and heavy scalars) are also looked for in multiple final states, including invisible decays.Speaker: Ye Chen (IHEP and DESY) 
14:40
NonMSSM Higgs searches with the CMS experiment 20m
Recent results on searches for Beyond Standard Model production of Higgs bosons at the LHC by the CMS collaboration in other than Minimal supersymmetric models are presented.
Speaker: Martin Flechl (Austrian Academy of Sciences (AT)) 
15:00
Study of Higgs Production in Bosonic Decay Channels at CMS 20m
A summary of the CMS results in the study of the Higgs boson in decays to bosons will be presented in this talk.
Speaker: Georgia Karapostoli (Universite Libre de Bruxelles (BE)) 
15:20
Study of Higgs Production in Fermionic Decay Channels at CMS 20m
A summary of the CMS results in the study of the Higgs boson in decays to fermions will be presented in this talk. The studies on the ttH production are also included in this talk.
Speaker: Daniel Salerno (Universitaet Zuerich (CH)) 
15:40
The Higgs boson profile at CMS 20m
The status of the Higgs boson parameter measurements (mass, spin/CP, couplings, offshell cross sections and constraints on invisible width) from the CMS experiment will be discussed in this talk.
Speaker: Serguei Ganjour (CEA/IRFU,Centre d'etude de Saclay GifsurYvette (FR))

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NonSUSY and Exotics Alice Hoy Room 242 ()
Alice Hoy Room 242
Convener: Archil Kobakhidze (The University of Sydney)
14:00
Search for a high mass diphoton resonance using the ATLAS detector 20m
The search for a spin0 or spin2 state decaying into two photons, in a large mass range is presented, using 3.2 ifb of pp collisions at 13 TeV.
Speaker: Eilam Gross (Weizmann Institute of Science (IL)) 
14:20
Searches for BSM physics in diphoton final state at CMS 20m
A search for new physics in highmass diphoton events is presented. The analysis is performed by looking for bumps on the continuum diphoton mass spectrum. This clean signature is sensitive to highmass gravitons predicted by models with extra dimensions and to scalar resonances arising from many extensions of the standard model. The talk focuses on the recent results obtained using data collected during the 2015 run as well as the first part of the 2016 run.
Speaker: Malgorzata Kazana (NCBJ Warsaw (PL)) 
14:40
Heavy Fermion Bound States for Diphoton Excess at 750GeV 20m
A colored heavy particle with sufficiently small width may form nonrelativistic bound states when they are produced at the large hadron collider\,(LHC), and they can annihilate into a diphoton final state. The invariant mass of the diphoton would be around twice of the colored particle mass. In this paper, we study if such bound state can be responsible for the 750 GeV diphoton excess reported by ATLAS and CMS. We found that the bestfit signal cross section is obtained for the SU(2)L singlet colored fermion X with YX=4/3. Having such an exotic hypercharge, the particle is expected to decay through some higher dimensional operators, consistent with the small width assumption. The decay of X may involve a stable particle χ, if both X and χ are odd under some conserved Z2 symmetry. In that case, the particle X suffers from the constraints of jets + missing ET searches by ATLAS and CMS at 8 TeV and 13 TeV. We found that such a scenario still survives if the mass difference between X and χ is above ∼ 30 GeV for mX∼375 GeV. Even assuming pair annihilation of χ is small, the relic density of χ is small enough if the mass difference between X and χ is smaller than ∼ 40 GeV.
Speaker: Prof. Mihoko Nojiri (KEK) 
15:00
Explaining 750 GeV diphoton excess with scalar particles charged under new confining gauge interaction 20m
It is shown that a charged scalar particle $\chi$ of mass around 375 GeV charged under both
$\mathrm{SU}(3)_{\textsc{c}}$ and a new confining
nonabelian gauge interaction can explain the 750 GeV diphoton excess. After
pair production, these interactions confine the exotic scalar into
nonrelativistic bound states whose decays into photons can explain the
discrepancy. Taking the new confining group to be $\mathrm{SU}(2)$, we find
$\chi$ must carry an electric charge of $Q \sim [\frac{1}{2}, 1]$ to fit the data.
Interestingly, we find that pair production of the scalars and the subsequent
formation of the bound state dominates over direct bound state resonance
production. This explanation is quite weakly constrained by current searches
and data from the forthcoming run at the LHC will be able to probe our
scenario more fully. In particular, at an invariant mass of around 750 GeV
dijet, monojet, diHiggs and $\text{jet} + \text{photon}$ searches may be the most promising
discovery channels.This work is based on arXiv: 1604.06180 (work done in collaboration with John Gargalionis).
Speaker: Dr. Robert Foot (University of Melbourne) 
15:20
Implication of a 750 GeV Diphoton Resonance for Heavy Quark Searches 20m
The hinted diphoton excess at a mass of 750 GeV suggests the existence
of heavy quarks that mediated the resonance production via gluon fusion.
The decay of the heavy quark into Sq, with q being a SM quark, could
provide a new search channel for heavy quarks.
We consider the case of a singlet vectorlike partner of the top quark
and show that it can be searched for at the 13 TeV LHC through its decay
into a scalar resonance in the 2\gamma+\ell final state, especially if
the diphoton branching ratio of the scalar S is further enhanced by the
contribution of non coloured particles. We further show that
conventional heavy quark searches can be sensitive to this new decay
pattern also when S decays into jets by slightly tightening the current
selection cuts. Finally we comment about the possibility of
disentangling the heavy quark decay to St from other standard decay
patterns by scrutinising appropriate kinematic distributions.Speaker: Daniele Barducci (Unite Reseaux du CNRS (FR)) 
15:40
Asymptotically Safe QCD 20m
We discuss the possibility that QCD is not asymptotically free and develops instead an interactive UV fixed point. This can happen if the Standard Model is extended by a set of $N_F$ vectorlike fermions that transform nontrivially under $SU(3)_c$, with Yukawatype interactions mediated by a $N_F\times N_F$ matrix scalar field. We point out that the $750$ GeV diphoton excess can be explained within such a framework.
Speaker: Kamila Kowalska (TU Dortmund)

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SUSY Models Alice Hoy Room 225 ()
Alice Hoy Room 225
Convener: Sujeet Akula (Monash University)
14:00
Electroweak symmetry breaking in models with vectorlike families 20m
I discuss electroweak symmetry breaking in SUSY models with extra vectorlike fields and show that under certain simple assumptions a 125 GeV Higgs can be achieved in a natural way. Implications for the properties of the Higgs boson and other collider phenomenology are also discussed.
Speaker: Radovan Dermisek (Indiana University) 
14:20
Dirac Gauginos and the DiPhoton Excess 20m
Supersymmetric models with Dirac masses for the gauginos have both a
solid topdown theoretical motivation and a rich phenomenology. We show
that the 750 GeV diphoton excess can be explained by the Minimal Dirac
Gaugino Supersymmetric Standard Model without introducing any additional
"adhoc" states. In this model, the resonance is identified with the
scalar partner of the Dirac bino. We demonstrate that the 750 GeV excess
can be achieved in this model while satisfying constraints arising from
the scalar mixing with the Higgs boson, vacuum stability, gauge coupling
unification and perturbativity of the couplings up to the GUT scale.
Considering different benchmark scenarios, we will present how this
model is able to produce the intriguing 750 GeV diphoton signature.Speaker: Dr. Julia Harz (Institut Lagrange de Paris) 
14:40
The 750 GeV diphoton LHC excess from Singlets in Exceptional Supersymmetric Standard Model 20m
The 750760 GeV diphoton resonance may be identified as one or two scalars and/or
one or two pseudoscalars contained in the two singlet superfields $S_{1,2}$
arising from the three 27dimensional representations of $E_6$. We study the corresponding collider signature within the exceptional supersymmetric standard model (E$_6$SSM). This model is based on the SM gauge group together with an extra $U(1)_N$ gauge symmetry under which righthanded neutrinos have zero charge. To ensure anomaly cancellation the low energy matter content of the E$_6$SSM involve three $27$ representations of $E_6$. Thus E$_6$SSM predicts $Z'$ boson and extra matter beyond the MSSM. In particular, the lowenergy spectrum of the E$_6$SSM involves three families of Higgslike doublets,three families of exotic quarks and three SM singlets $S_i$ that carry $U(1)_{N}$ charges. The E$_6$SSM Higgs sector contains one family of the Higgslike doublets and one SM singlet $S_3$ that develops vacuum expectation values (VEV) breaking $U(1)_N$ gauge symmetry and inducing masses of exotic states mentioned above. The fermion and scalar components of other Higgslike superfields form Inert Higgsino and Inert Higgs states respectively. Two lighter singlets $S_{1,2}$
with masses around 750 GeV can couple to Inert Higgsino and exotic quarks giving rise to diphoton excess. We calculate the branching ratios and crosssections for the two scalar and two pseudoscalar states associated with the $S_{1,2}$ singlets, including possible degeneracies and maximal mixing, subject to the constraint that their couplings remain perturbative up to the unification scale.Speaker: Roman Nevzorov (University of Adelaide) 
15:00
Constraints on nonuniversal gaugino mass scenario using the latest LHC data 20m
We investigate exclusion limits on the the nonuniversal gaugino mass scenario
in the Minimal Supersymmetric Standard Model (MSSM), according the the latest results of the superparticle search at the LHC8 and the LHC13. In this scenario, suitable ratios of wino to gluino mass can realize the observed value of the Higgs boson mass, while keeping a small $\mu$ parameter.
Such a small $\mu$ parameter corresponds to the mass of higgsino, so that
lightest neutralino and chargino are higgsinolike and their masses are almost degenerate.
Besides, we find that the righthanded top squark tends to be lighter than other sfermions
and then the top squark search, where the top squark decays to a quark and higgsino, is relevant to our model.
In our analysis, the exclusion limits are derived using the data of the top squark searches
in the $bb + E_T^{\rm miss}$ and $tb + E_T^{\rm miss}$ channels.
Furthermore, the exclusion limit on gluino mass, which is crucial to our scenario, is investigated as well.
The analysis of the gluino is based on the data of the analysis with large missing energy and at least three btagged jets at the ATLAS experiment.
This work is based on PRD 93(2016) no.5, 055019.Speaker: Mr. Junichiro Kawamura (Waseda University) 
15:20
Diphoton signal of light Higgs Boson in NMSSM at the LHC. 20m
The nexttominimal supersymmetric standard model (NMSSM)
with an extended Higgs sector offers at least one Higgs boson as the
Standard model (SM) like Higgs with a mass around 125 GeV.
We revisit the mass spectrum and couplings of nonSMlike
Higgs bosons taking into consideration most relevant constraints.
We evaluate the rates of productions of these nonSMlike Higgs bosons at the LHC for a variety of decay channels corresonding to the allowed region of the parameter space. We notice that for a substantial region of the parameter space the twophoton decay mode has a remarkably
large rate. In this study we emphasize that this diphoton mode can be
exploited to find the nonSMlike Higgs bosons of the NMSSM
and can also be a potential avenue to distinguish the NMSSM from the MSSM.
We plan to present also detection possibility of light pseudoscalar
Higgs boson($A_1$) in the diphoton final states where $A_1$ is produced
via charginoneutralino production. In this context we will present
signal sensitivity by computing the background in details
at the LHC with energy 13 TeV.Speaker: Monoranjan Guchait (Tata Institute of Fundamental research(TIFR)) 
15:40
The NMSSM lives  with the 750 GeV diphoton excess 20m
We propose an NMSSM scenario that can explain the excess in the diphoton spectrum at 750 GeV recently observed by ATLAS and CMS. We show that in a certain limit with a very light pseudoscalar one can reproduce the experimental results without invoking exotic matter. The 750 GeV excess is produced by two resonant heavy Higgs bosons with masses ~750 GeV, that subsequently decay to two light pseudoscalars. Each of these decays to collimated photon pairs that appear as a single photon in the electromagnetic calorimeter. A mass gap between heavy Higgses mimics a large width of the 750 GeV peak. The production mechanism, containing a strong component via initial bquarks, ameliorates a possible tension with 8 TeV data compared to other production modes. We also discuss other constraints, in particular from low energy experiments. Finally, we discuss possible methods that could distinguish our proposal from other physics models describing the diphoton excess in the RunII of the LHC.
Speaker: Jong Soo Kim (IFT Madrid)

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Coffee Break 30m Sidney Myer Asia Centre Foyer ()
Sidney Myer Asia Centre Foyer

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Dark Matter and Particle Astrophysics Carillo Gantner Theatre ()
Carillo Gantner Theatre
Carrillo Gantner Theatre, Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Anupam Mazumdar (Lancaster University)
16:30
Exotic Prompt and NonPrompt Leptonic Decays as a Window to the Dark Sector with ATLAS 20mResults of searches for both prompt and nonprompt leptonic decays of new dark sector particles in protonproton collisions with the ATLAS detector are presented. Searches that encompass a wide range of new particle masses, lifetimes and degrees of collimation of leptonic decay products are discussed. The results are interpreted in the context of models containing new gauge bosons (dark photons or dark Z bosons) that give rise to leptonjets or to more general displaced leptonic signatures that could be a viable dark matter candidate.Speaker: Miriam Deborah Joy Diamond (University of Toronto (CA))

16:50
Search for Dark matter with XENON1T Experiment 20m
Astronomical and cosmological observations strongly suggest the presence of dark matter. The direct search for evidence of Weakly Interacting Massive Particle (WIMP) dark matter continues to be one of the forefront activities in experimental particle physics. In this talk I will give an overview of the evidences of dark matter and present in particular XENON1T experiment which has achieved worldleading sensitivities in WIMPnucleon interactions using liquid xenon time projection chambers (TPCs), first with the XENON10 and later with the XENON100 experiments. The actual phase of the experiment consists of an unprecedented one ton fiducial (three tons total) volume of ultra pure liquid xenon as both target and detection medium. The datataking will start soon and should reach sensitivities down to 1047 cm2 after two ton years of exposure. I will present the upgrade to the ton scale which was only possible due to a massive research and development program encompassing every aspect of the detector. The current and future stages of the XENON experiment in the context of the global dark matter search will also be discussed.
Speaker: Dr. Marie Cecile Piro (Rensselaer Polytechnic Institute (RPI)) 
17:10
The DEAP3600 Dark Matter Direct Detection Experiment 20m
DEAP3600 is a single phase liquid argon (LAr) dark matter experiment, located 2 km underground at SNOLAB, in Sudbury, Ontario. The detector has 1 tonne fiducial mass of LAr. The target sensitivity to spinindependent scattering of 100 GeV WIMPs is 1$\times$10$^{46}$ cm$^2$. The DEAP3600 background target is <1 background events in the WIMP region of interest in 3 tonneyears exposure. The strategies to achieve this background are pulse shape discrimination to mitigate electron recoils, ultralow radioactivity materials for detector construction to reduce neutron and alpha backgrounds, and insitu sanding of the acrylic vessel to mitigate radon exposure of surfaces during construction and fabrication. Detector commissioning is underway and the WIMP search begins in 2016. This talk reports on recent progress from the DEAP3600 experiment.
Speaker: Joseph Walding (Royal Holloway, University of London) 
17:30
Sidereal modulation searches for the direct detection of selfinteracting dark matter 20m
I will outline the unique direct detection phenomenology which arises if dark matter is selfinteracting. The crucial point is that, in the Earth frame, the halo wind interaction with Earthcaptured dark matter generically results in a spatially dependent nearEarth dark matter environment. This implies distinctive signatures in the direct detection signal, including latitudinal dependence, and modulation with sidereal day. The sidereal modulation is particularly interesting, since it can only have a cosmological origin. Some examples will be shown from dark matter simulations with dark photon selfinteractions. I will then describe some modelindependent search strategies for sidereal modulation signals of unknown shape, in the hope of encouraging experimental colleagues to perform such searches.
Speaker: Mr. Jackson Clarke (ARC Centre of Excellence for Particle Physics at the Terascale) 
17:50
The status of KIMSNaI experiment at Yangyang underground laboratory 20m
The Korea Invisible Mass Search (KIMS) searches for WIMP dark matter signals using an array of ultrapure NaI(Tl) crystals. The target goal of the KIMSNaI experiment is to confirm or reject the DAMA/LIBRA claim of an annual modulation signature in similar NaI(Tl) crystals. We have studied the properties of more then ten prototype NaI(Tl) crystals, each with different internal radioisotope contaminations in order to characterize the internal backgrounds and learn how how they can be reduced. To date, we have achieved background levels of 2.5 counts/kg/keV/day in the 10 keV energy region. We have prepared a first phase of a collaborative effort with the DMIce group, called COSINE100, that is using a 100 kg array of crystals from the KIMS & DMIce R&D projects placed in a liquid scintillator veto tank at the Yangyang underground laboratory. While this first phase operates, we will develop NaI(Tl) crystals with background levels that are below 1 counts/day/keV/kg for the next phase of the experiment. In this presentation, we will report on the current status of COSINE100 and the status of our R&D on techniques for producing a 200 kg array of lower background crystals for the next phase of the experiment.
Speaker: Nam Young KIM (Center for Underground Physics, Institute for Basic Science) 
18:10
Reconstructing WIMP dark matter properties through signal measurements in direct detection, FermiLAT, and CTA 20m
I will examine the projected ability to reconstruct the mass, scattering, and annihilation cross section of dark matter in the new generation of large underground detectors in combination with diffuse gamma radiation from expected 15 years of data from FermiLAT observation of 46 local spiral dwarf galaxies and projected CTA sensitivity to a signal from the Galactic Center. I will consider several benchmark points inspired by rather general extensions of the Standard Model, spanning a wide range of WIMP mass, different annihilation final states, and large enough event rates to warrant detection in one or more experiments. Direct and indirect detection experiments can be used in complementarity to ameliorate the respective determinations, which in individual experiments can at best be rather poor. A remarkable improvement in WIMP reconstruction can be achieved by combining discovery data from FermiLAT and/or CTA, or by combining gammaray observatories with direct detection experiments.
Speaker: Enrico Maria Sessolo (NCBJ, Warsaw)

16:30

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17:50
Experimental and Collider Aspects of SUSY Sidney Myer Asia G02G03 ()
Sidney Myer Asia G02G03
Convener: Genevieve Belanger (Laboratoire d'AnnecyleVieux de Physique Théorique)
16:30
Compressed SUSY with the Recursive Jigsaw 20m
The Recursive Jigsaw reconstruction technique provides a powerful way to tackle challenging SUSY final states with multiple missing particles. By altering the input "decay tree" we demonstrate a new approach to considering compressed SUSY signatures from a variety of different sources. The imposition of this decay tree provides a clear way to define which objects are associated with an ISR system and those which are candidate decay products of the SUSY system. From this choice a set of variables emerge, providing a method to distinguish compressed cases from the pernicious standard model backgrounds present.
We introduce this new approach, comparing it briefly to other methods used to probe this phasespace and demonstrate it's power through application to several compressed final states. We will further touch on the applicability of this same method to other physics processes where the use of conventional kinematic handles breaks down.Speaker: Paul Douglas Jackson (University of Adelaide) 
16:50
Search for supersymmetry in events with photons and missing transverse momentum 20m
The results of searches for new physics in final states with
photons and missing transverse energy are reported. The
searches are based on samples of protonproton collisions
collected with the CMS detector, both at 8 and at 13 TeV. The
results are interpreted in models of supersymmetry with
gaugemediated SUSY breaking, covering both strong
production (13 TeV results) and electroweak production (8 TeV
results).Speaker: Johannes Schulz (RheinischWestfaelische Tech. Hoch. (DE)) 
17:10
Searches for SUSY in photons and tau channels with the ATLAS detector 20m
The talk presents searches for the prompt decay of supersymmetric particles in events containing photons or taus and large transverse missing momentum, performed by the ATLAS experiment. The final states considered are particularly motivated in gauge mediated supersymmetry breaking models with a light gravitino as the lightest supersymmetric particle.
Speaker: Jovan Mitrevski (LudwigMaximiliansUniv. Muenchen (DE)) 
17:30
Investigating light NMSSM pseudoscalar states with boosted ditau tagging 20m
We study a class of realizations of the NexttoMinimal Supersymmetric Standard
Model that is motivated by dark matter and Higgs data, and in which the lightest
pseudoscalar Higgs boson mass is smaller than twice the bottom quark mass and
greater than twice the tau lepton mass. In such scenarios, the lightest
pseudoscalar Higgs boson can be copiously produced at the LHC from the decay of
heavier superpartners and will dominantly further
decay into a pair of tau leptons that
is generally boosted. We make use of a boosted object tagging technique designed
to tag such a ditau jet, and estimate the sensitivity of the LHC to the
considered supersymmetric scenarios with 20 to 50~fb$^{1}$ of protonproton
collisions at a centerofmass energy of 13~TeV.Speaker: Dr. Jinmian Li (University of Adelaide)

16:30

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NonSUSY and Exotics Alice Hoy Room 242 ()
Alice Hoy Room 242
Convener: Mihoko Nojiri (KEK)
16:30
750 GeV Diphoton Resonance in Warped Geometries 20m
We examine the scenario of a warped extra dimension containing bulk SM fields in light of the observed diphoton excess at 750 GeV. We demonstrate that a bulk spin2 graviton whose action contains localized kinetic brane terms is compatible with the excess, while being consistent with all other constraints. This model contains a single free parameter, the mass of the first gauge KaluzaKlein excitation. The scale of physics on the IRbrane is found to lie in the range of a few TeV, relevant to the gauge hierarchy.
Speaker: Dr. Thomas Rizzo (SLAC) 
16:50
The radion explanation of the 750 GeV diphoton excess at the LHC. 20m
The radion of the fivedimensional RandallSundrum model provides a very natural explanation of the excess in the diphoton channel at 750 GeV recently observed by ATLAS and CMS. Crucial future experimental tests are proposed. Brief comparisons to other models employing extra dimensional physics are made.
Speaker: John Gunion (UC Davis) 
17:10
Diphoton Excess at 750 GeV from a Radion in the BulkHiggs Scenario 20m
We show that the recent diphoton excess observed by the ATLAS and CMS collaborations might originate from the radion of a warped extra dimension when the Higgs is located in the bulk. In this case the couplings of the radion to massive gauge bosons are suppressed, allowing it to evade existing searches. In the presence of kinetic and mass mixing with the Higgs, due to strong constraints from diboson searches, only points near what we denominate the alignment region are able to explain the diphoton signal and evade current experimental constraints. The radion always has a sizeable branching ratio into top pairs, which provides a model independent channel to probe this scenario in the near future. If alignment is strong it is also possible that diHiggs decays may dominate, providing stronger constraints and interesting perspectives for future collider searches.
Speaker: Andrew Spray (CoEPP, University of Melbourne) 
17:30
Light scalars in composite Higgs models in the light of LHC diboson searches 20m
Models of compositeness can successfully address the origin of the Higgs boson as a pseudoGoldstone of a spontaneously broken global symmetry, and flavour physics via the partial compositeness mechanism. If the dynamics is generated by a simple underlying theory defined in terms of a confining gauge group with fermionic matter content, there exists only a finite set of models that have the correct properties to account for a composite Higgs and composite top partners at the same time. As a prediction of these models, one obtains additional light composite scalars. We study the phenomenology of these additional scalars in the light of diboson resonance searches at LHC.
This presentation is based on JHEP 1511 (2015) 201, arXiv:1512.04508, arXiv:1512.07242, and work to be completed, soon.
Speaker: Dr. Thomas Flacke (Korea University) 
17:50
Probing the interplay between TeV scale heavy vector resonances and top partners at the LHC 20m
Fermionic and vector resonances are a generic prediction of theories where electroweak symmetry breaking is triggered by new strongly interacting dynamics at the TeV scale.
We work in a "discrete" two site prescription of the Composite Higgs model where the spontaneous breaking of the SO(5)/SO(4) coset gives the Standard Model gauge bosons and six heavy vector resonances. We implement a partially composite scenario for the top sector which gives us the 1/3, 2/3 and 5/3 charged top partners. The direct and indirect (electroweak and flavor precision) constraints and requirement of naturalness impose stronger bounds on the heavy vectors than the top partners. This mild hierarchy between the top partners and the heavy vector resonances modifies the search strategy for vector resonances at the LHC. We find that when kinematically allowed, decays of heavy vector resonances to top partners dominate over pure Standard Model final states. We focus on the decay modes where top partner is singly produced. As a part of the "no loose" strategy for heavy vector resonances, these signatures with strongly boosted tops need to be considered. These searches for top partners from vector resonances can aid in hunting top partners and also discover (exclude) vector resonances at the 13 TeV run of the LHC.Speaker: Bithika Jain (Korea Institute for Advanced study, Seoul)

16:30

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Precision Calculations and Simulations Alice Hoy Room 333 ()
Alice Hoy Room 333
Convener: Sven Heinemeyer (CSIC (Santander, ES))
16:30
Precision Higgs mass predictions in minimal and nonminimal SUSY models 20m
Now that the Higgs mass has been well measured at the Large Hadron
Collider (combined ATLAS and CMS mh = 125.09 \pm 0.24) it is very
important that the precision of the Higgs mass prediction in SUSY
models is improved. This is particularly challenging since both limits
on the sparticles and the Higgs mass indicate that the SUSY scale may
be quite large. A great deal of work has recently been directed at
this in the MSSM with the stateoftheart calculations ensuring that
large logs are resummed when the SUSY scale is much bigger than the EW
scale. However much less has been done on nonminimal SUSY
models. Currently a twoloop calculation is available with
SARAH/SPheno, but the precision is still limited due to large
logarithms when the SUSY scale is large. Here we present an
alternative algorithm for calculating the Higgs pole mass in and SUSY
theories that combines an effective field theory (EFT) approach to
resum large logs with a diagrammatic calculation of the Higgs pole
mass. We implement this algorithm in FlexibleSUSY and use this to
study the impact of these corrections in the MSSM, NMSSM, MRSSM and
E$_6$SSM. In the MSSM we show that our Higgs mass prediction correctly
interpolates between the known EFT results when the sparticles are
heavy and fixed order calculations in the full theory when the
sparticle masses are close to the electroweak scale. We compare our
results to those in public codes and discuss the origin of the most
significant deviations.Speaker: Peter Athron 
16:50
HighPrecision Higgs Masses in the Complex MSSM 20m
Since the discovery of a Higgslike particle at the LHC considerable effort has been undertaken to reveal its nature and properties. To make significant comparisons of the experimental measurements and theory predictions, highprecision calculations are necessary.
One of the particle's basic properties is its mass; due to the very precise measurement, the current MSSM prediction is challenged.I will present the most recent status of the Higgsparticle spectrum in the CPviolating MSSM in the Feynmandiagrammatic approach with nontrivial renormalization. The known twoloop contributions (leading terms of $\mathcal{O}{(\alpha_t\alpha_s+\alpha_t^2)}$) are briefly reviewed and new results and implications of the full subleading QCD terms of $\mathcal{O}{(\alpha_{\mathrm{any}}\alpha_s)}$ are shown.
Speaker: Sebastian Paßehr (DESY) 
17:10
Signal Morphing techniques and possible application to Higgs properties measurements 20m
One way of describing deviations from the Standard Model is via Effective Field Theories or pseudoobservables, where higher order operators modify the couplings and the kinematics of the interaction of the Standard Model particles. Generating Monte Carlo events for every testable set of parameters for such a theory would require computing resources beyond the ones currently available in ATLAS. Up to now, MatrixElement based reweighting techniques have been often used to model Beyond Standard Model process starting from Standard Model simulated events. In this talk, we review the advantages and the limitations of morphing techniques to construct continuous probability model for signal parameters, interpolating between a finite number of distributions obtained from the simulation chain. The technique will be exemplified by searching for deviations from the Standard Model predictions in Higgs properties measurements.
Speaker: Katharina Maria Ecker (MaxPlanckInstitut fuer Physik (WernerHeisenbergInstitut) (D) 
17:30
Impact of Jet Veto Resummation on Slepton Searches 20m
Jet vetoes are a common tool in the experimental SUSY searches for eliminating the SM QCD background. They introduce large logarithms (of the jet veto scale over the partonic invariant mass) in the SUSY cross sections, which increase with the SUSY particle mass and need to be resummed to obtain reliable cross section predictions. Using slepton production as an example, we show that the theoretical uncertainties associated with the jet veto are large, and when taken into account have a sizeable impact already on present exclusion limits. This is improved by calculating the resummed cross section to higher order, which allows us to obtain accurate predictions even for high slepton masses, as probed by the LHC in the upcoming years.
Speaker: Lisa Zeune 
17:50
Precise Higgsmass predictions in the NexttoMinimal Supersymmetric Standard Model 20m
The NMSSM represents an elegant and well motivated description for the observed Higgslike particle at the LHC. In this theory a scalar singlet together with its superpartner is added to the Higgssector of the Minimal Supersymmetric Standard Model (MSSM). Compared to the MSSM the NMSSM provides a better description of the observed phenomenology including even the observed diboson excess at 750 GeV. Significant testing of the NMSSM by experimental measurements requires highprecision predictions for the parameters of the theory.
This talk will focus on the Higgsmass predictions in the NMSSM at twoloop order obtained with Feynmandiagrammatic methods. The phenomenological impact of the genuine NMSSM contributions are discussed and compared to their MSSM counterparts. The presented results will be included in the upcoming NMSSM extension of the code FeynHiggs. This extension will be motivated and compared with other publicly available tools.
Speaker: Sebastian Paßehr (DESY) 
18:10
Production of Heavy neutrino in nexttoleading order QCD at the LHC and beyond 20m
Majorana and pseudoDirac heavy neutrinos are introduced into the typeI and inverse seesaw models, respectively, in explaining the naturally small neutrino mass. TeV scale heavy neutrinos can also be accommodated to have a sizable mixing with the Standard Model light neutrinos, through which they can be produced and detected at the high energy colliders like LHC. We consider the NexttoLeading Order QCD corrections to the heavy neutrino production, and study the scale variation in crosssections as well as the kinematic distributions with different final states at 14 TeV LHC and also in the context of 100 TeV hadron collider. The repertoire of the Majorana neutrino is realized through the characteristic signature of the samesign dilepton pair, whereas, due to a small lepton number violation, the pseudoDirac heavy neutrino can manifest the trileptons associated with missing energy in the final state. Utilizing the 8 TeV data at the ATLAS and CMS, we obtain prospective scale dependent upper bounds of the lightheavy neutrino mixing angles for the Majorana heavy neutrinos at the 14 TeV LHC and 100 TeV collider. Similar upper bounds on the mixing angles for the pseudoDirac neutrinos are discussed from multilepton search.
Speaker: Partha Konar (Physical Research Laboratory, Ahmedabad, Gujarat380 009, INDIA)

16:30

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SUSY Models Alice Hoy Room 225 ()
Alice Hoy Room 225
Convener: Howard Baer (University of Oklahoma)
16:30
SUSY Predictions for Dark Matter Searches from MasterCode 20m
We present predictions for SUSY Dark Matter searches and analyses based on the MasterCode framework.
Speaker: Matthew Dolan (University of Melbourne) 
16:50
Relation between the PMNS phase and proton decay in SUSY SO(10) models 20m
The accurate measurements of the neutrino oscillation parameters including a CP phase are
one of the important issues to understand the fermion mass hierarchy in unification picture.
It is expected that all the elements in the neutrino mass matrix can be obtained (up to Majorana phases)
after the accurate measurements.
Before the measurements of 13mixing and the CP phase, it was not ready to argue if the (1,2) element is hierarchically smaller
than the (1,3) element of the neutrino mass matrix.
Currently, the (1,2) element is consistent to be zero up to experimental errors.
In grand unified theories, the size of the elements can be related to the one in the charged fermion Yukawa matrices,
and thus, it is related to the size of proton decay amplitudes in SUSY GUT models.
We discuss the relation between the CP phase and the proton decay amplitudes in SUSY SO(10) models,
and provide a prediction of the CP phase from the proton decay suppression.Speaker: Yukihiro Mimura (National Taiwan University) 
17:10
Bottom Tau Unification in Supersymmetric Model with AnomalyMediation 20m
We study the Yukawa unification, in particular, the unification of the Yukawa coupling constants of $b$ and $\tau$, in the framework of supersymmetric (SUSY) model. We concentrate on the model in which the SUSY breaking scalar masses are of the order of the gravitino mass while the gaugino masses originate from the effect of anomaly mediation and hence are oneloop suppressed relative to the gravitino mass. We perform an accurate calculation of the Yukawa coupling constants of $b$ and $\tau$ at the grand unified theory (GUT) scale, including relevant renormalization group effects and threshold correct ions. In particular, we study the renormalization group effects, taking into account the mass splittings among sfermions, gauginos, and the standard model particles. This talk will be based on our recent paper [arXiv:1604.02156].
Speaker: So Chigusa (The University of Tokyo) 
17:30
Bayesian naturalness of NexttoMinimal and Minimal Supersymmetric Models 20m
The discovery of a 125 GeV Higgslike boson and null results in searches for new physics at the LHC have lead to renewed interest in nexttominimal supersymmetric models and doubts about traditional measures of finetuning in supersymmetric models. We investigate finetuning in nexttominimal and minimal supersymmetric models with Bayesian statistics by picking noninformative priors for superpotential and softbreaking parameters (in contrast to informative priors for e.g., $M_Z$ and $\tan\beta$) which, we argue, underpin finetuning arguments in supersymmetric models. Furthermore, we contrast our Bayesian analyses with traditional finetuning measures based upon derivatives of the $Z$boson mass, including high and lowscale measures, highlighting deficiencies in traditional finetuning measures.
Speaker: Dr. Andrew Fowlie (Monash University)

16:30

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09:00
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Plenary: Wednesday session 1 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Sven Heinemeyer (CSIC (Santander, ES))
09:00
Extended Higgs sectors and the alignment limit 30mSpeakers: Howard Haber (University of California,Santa Cruz (US)) , Howard Haber (Santa Cruz Institute for Particle Physics (SCIPP))

09:30
SUSY models with gauge singlets 30mSpeaker: Ulrich Ellwanger (University Paris 11)

10:00
Techniques for Probing SUSY at Colliders 30mSpeaker: Christopher Rogan (Harvard University (US))

09:00

10:30
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11:00
Coffee Break 30m Sidney Myer Asia Centre Foyer ()
Sidney Myer Asia Centre Foyer

11:00
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13:00
Plenary: Wednesday session 2 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Elisabetta Barberio (University of Melbourne (AU))
11:00
LIGO 30mSpeaker: Yuri Levin (Monash University)

11:30
Extracting fundamental physics from GW150914 30mSpeaker: John Ellis (CERN)

12:00
Inflation 30mSpeaker: Jun'ichi Yokoyama (The University of Tokyo)

12:30
Dark Matter Direct Detection 30mSpeaker: Frank Calaprice

11:00

13:00
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14:30
Lunch break 1h 30m

18:15
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19:15
Event: Public Lecture Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 Australia

09:00
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Plenary: Thursday session 1 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Maria Rozanska (Polish Academy of Sciences (PL)) 09:00
 09:30

10:00
Latest results from neutrino oscillation experiments 30mSpeaker: Anselmo Cervera Villanueva (Instituto de Fisica Corpuscular (ES))

10:30
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11:00
Coffee Break 30m Sidney Myer Asia Centre Foyer ()
Sidney Myer Asia Centre Foyer

11:00
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12:30
Plenary: Thursday session 2 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Erich Poppitz 11:00

11:30
Supersymmetry: to be or not to be? 30m
Abstract: "LHC data have so far shown no evidence of low energy (N=1)
supersymmetry, and it is thus not exluded that it is simply not there.
What would the implications of such a nondiscovery be for the whole
idea of supersymmetry? In this talk I will discuss possible consequences of such a nondiscovery from a more theoretical perspective, and point to an alternative scenario based on some strange numerology relating the
48 quarks and leptons of the Standard Model to the 48 spin1/2 fermions of maximal N=8 supergravity remaining after complete breaking of supersymmetry. I will also explain how new theoretical concepts `beyond' supersymmetry may help to explain the emergence of the Standard Model
from a Planck scale unified theory."Speaker: Hermann Nicolai (II. Institut fuer Experimentalphysik) 
12:00
Nonlinear supersymmetry 30m
Recently nonlinear supersymmetry with goldstino type models proved to be extremely useful in cosmology. In the context of string theory it was discovered that antiD3brane with spontaneously broken susy, involves constrained superfields. This led to manifestly supersymmetric KKLT construction of de Sitter vacua landscape. It was also possible to construct de Sitter supergravity, thanks to nonlinear supersymmetry. Advanced models of inflation, alphaattractors, compatible with Planck data, are based on constrained superfields. We also review the recent progress in studies of DiracBornInfeldVolkovAkulov onshell amplitudes.
Speaker: Renata Kallosh (Stanford university)

12:30
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14:00
Lunch break 1h 30m

14:00
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Dark Matter and Particle Astrophysics Carillo Gantner Theatre ()
Carillo Gantner Theatre
Carrillo Gantner Theatre, Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Giorgio Busoni
14:00
Righthanded sneutrino dark matter 20m
The superpartner of the righthanded neutrino provides an alternative
to the neutralino WIMP dark matter in supersymmetry.
We consider the case where this feebly interacting particle is
produced via the decay of the longlived nexttolightest charged sfermion.
After taking into account constraints such as dark matter relic
density or bigbang nucleosynthesis, we discuss the discovery propect
at future runs of the LHC notably through the charged track signatures.Speaker: Genevieve Belanger (Laboratoire d'AnnecyleVieux de Physique Théorique) 
14:20
Combined analysis of effective Higgs portal dark matter models 20m
We combine and extend the analyses of effective scalar, vector, Majorana and Dirac fermion Higgs portal models of Dark Matter (DM), in which DM couples to the Standard Model (SM) Higgs boson via an operator of the form $\mathcal{O}_{\textrm{DM}}\, H^\dagger H$. For the fermion models, we take an admixture of scalar $\overline{\psi} \psi$ and pseudoscalar $\overline{\psi} i\gamma_5 \psi$ interaction terms. For each model, we apply constraints on the parameter space based on the Planck measured DM relic density and the LHC limits on the Higgs invisible branching ratio. For the first time, we perform a consistent study of the indirect detection prospects for these models based on the WMAP7/Planck observations of the CMB, a combined analysis of 15 dwarf spheroidal galaxies by FermiLAT and the upcoming Cherenkov Telescope Array (CTA). We also perform a correct treatment of the momentumdependent direct search crosssection that arises from the pseudoscalar interaction term in the fermionic DM theories. We find, in line with previous studies, that current and future direct search experiments such as LUX and XENON1T can exclude much of the parameter space, and we demonstrate that a joint observation in both indirect and direct searches is possible for high mass WIMPs. In the case of a pure pseudoscalar interaction of a fermionic DM candidate, future gammaray searches are the only class of experiment capable of probing the high mass range of the theory.
Speaker: Mr. Ankit Beniwal (University of Adelaide, Australia) 
14:40
Minimal Majoronic Dark Radiation and Dark Matter Model and its Phenomenology 20m
We study the simplest singlet Majoron model for the dark radiation and dark matter and it 1loop RGE running.
We found that a smaller effective number of neutrinos $\triangle N_{eff}\sim 0.05$ is preferred.
Moreover, a heavy scalar dark matter, $\rho$, of mass $1.54$ TeV is required by the stability of the scalar potential
and an operational typeI seesaw mechanism for neutrino masses. A neutral scalar, $S$, of mass in the $10100$ GeV range
and its mixing with the standard model Higgs as large as $0.1$ is also predicted.
The dominant decay modes are $S$ into $b\bar{b}$ and/or a pair
of Majorons. A sensitive search will come from rare $Z$ decays
via the chain $Z\rightarrow S+ f\bar{f}$, where $f$ is a Standard Model fermion, followed by $S$ into a pair
of Majorons and/or bquarks.
The interesting consequences of dark matter bound state due to the sizable $S\rho \rho$coupling
are discussed as well. In particular, showerlike events with an apparent neutrino energy at $M_\rho$ could contribute to the
observed effective neutrino flux in underground neutrino detectors such as IceCube.Speaker: WeFu Chang (National Tsing Hua University) 
15:00
Topphilic Scalar DM with a Vectorlike Top Partner 20m
We consider a scalar topphilic Dark Matter (DM) $S$ coupling, apart from the Higgs portal, exclusively to the righthanded top quark $t_R$ and a colored vectorlike top partner $T$ with a Yukawa coupling $y_{ST}$ which we call the topVL portal. When the Higgs portal is closed and $y_{ST}$ is perturbative $ (<1)$, $TS\to (W^+b, gt)$, $SS\to t\bar{t}$ and $T\bar{T}\to (q\bar{q},gg)$ provide the dominant annihilation contributions to obtain the correct thermal relic density in light, medium and heavy DM mass range, respectively. However, large $y_{ST}\sim\mathcal{O}(10)$ can make $SS\to gg$ dominate via the loopinduced coupling $C_{SSgg}$ in the $m_S < m_t$ region. In this model it is the $C_{SSgg}$ coupling that dominates DMnucleon scattering in the direct detection, which can be large when $SS\to gg$ dominates the DM annihilation. The current LUX results can exclude the $SS\to gg$ dominating scenario and the expected sensitivity of XENON1T may further test $y_{ST} > 1$, and $0.5 < y_{ST} < 1$ may be covered in the future LUXZP experiment. The indirect detection results from Fermi gammaray observations can also exclude the $SS\to gg$ dominating scenario and play a complementary role to direct detection in the heavy DM mass region, of which one order of magnitude of sensitivity improvement will push DM mass to be heavier than about 400, 600, 1000 GeV for $y_{ST}=0.3, 0.5, 1.0$, respectively. The colored top partner $T$ and its antiparticle can be produced in pair at the hadron collider. They will decay $100\%$ into $t\bar{t}+E^{miss}_T$ signal when kinematically open and receive constraints from the corresponding CMS measurements at 8 TeV. We found that the top partner mass in the range 300 (450)850 GeV can be excluded for $m_S$ =0 (200) GeV.
Speaker: Peiwen Wu (Korea Institute for Advanced Study (KIAS)) 
15:20
Semianalytical approaches in particle cosmology 20m
We propose a general method to analytically solve transport equations as well as the bubble wall profile during a cosmic phase transition. For the bubble wall profile we approximately solve the general one dimensional problem and derive a perturbative series of corrections to this ansatz and prove convergence. We then present general analytic solutions for coupled transport equations that govern the behavior of particle number densities during a phase transition. Finally we derive a perturbative series that relaxes the usual approximation that inactivates VEV dependent relaxation and CP violating source terms at the bubble wall and through the symmetric phase.
Speaker: Graham White (Monash University) 
15:40
Gravitationally Bound Condensates Formed by Bosons with Potential Energy V(A)= (1cos(A/f) 20m
We review our recent work on gravitationally bound condensates formed by Hermitian bosons interacting with a potential energy $\Lambda^4[1\cos(A/f)]$. We have used an expansion method to simplify the equations of motion. The expansion parameters are the binding energy of the condensed bosons, and the ratio between the scale of the Bose field $f$ and the Planck mass. Applying our analysis to QCD axions, we find that the condensates have a limiting mass of $\mathcal{O}(10^{19})$ kg and a size of $\mathcal{O}(100)$ km.
Speaker: Rohana Wijewardhana (University of Cicinnati)

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Experimental and Collider Aspects of SUSY Sidney Myer Asia G02G03 ()
Sidney Myer Asia G02G03
Convener: Paul Douglas Jackson (University of Adelaide)
14:00
Search for stable massive SUSY particles with the ATLAS detector 20m
Several supersymmetric models predict the production of massive longlived supersymmetric particles. Such particles, if charged, may be detected through abnormal specific energy loss or long timeofflight to the calorimeters. The talk presents recent results from searches of longlived supersymmetric charged particles using protonproton collisions at a centre of mass energy of 13 TeV with the ATLAS detector.
Speaker: Jochen Jens Heinrich (LudwigMaximiliansUniv. Muenchen (DE)) 
14:20
Single top squark production as a probe of natural supersymmetry at the LHC 20m
Light top squarks (stops) and light higgsinos are the key features of natural supersymmetry (SUSY), where the higgsinos are nearly degenerate and act as the missing transverse energy (ET) at the LHC. Besides the pair production via strong interaction, the stop can be produced via the electroweak interaction. The determination of the electroweak properties of the stop is an essential task for the LHC and future colliders. So, in this paper, we investigate the observability of the single stop production in natural SUSY at LHC.
Speaker: Dr. Lei Wu (The University of Sydney) 
14:40
Naturalness and light Higgsinos: a powerful reason to build the ILC 20m
Natural SUSY with light, nearly massdegenerate Higgsinos is a theoretically well motivated scenario which would in general escape LHC searches. An
electronpositron collider would provide a clean environment where the Higgsinos would be either discovered or excluded. We present a detailed study of
precision measurements of Higgsinos at the proposed International Linear Collider with $\sqrt{s}$ = 500 GeV, using a Geant4based simulation of the International
Large Detector concept. The scenarios considered have Higgsino mass differences of 10  20 GeV and a heavy scalar sector. The precision measurements can be used
to determine the parameters of NUHM2. Alternatively, weak scale gaugino masses can be extracted which allows for tests of gaugino mass unification.Speaker: SuviLeena Lehtinen (DESY) 
15:00
pMSSM scans in ATLAS 20m
Multidimensional scans of the pMSSM have been used in ATLAS to assess the experiment sensitivity to classess of models usually not well represented by simplified models. Such scans require a well defined approach in generating signal events and deciding which ones should be passed through the CPUintensive detector simulation and for which ones the sensitivity can be instead parametrised. They also impose challenges in deciding how the experiment sensitivity should be summarised. The talk will discuss in detail hos such largescale scans have been approached by ATLAS, touching upon recent results obtained.
Speaker: Lukas Alexander Heinrich (New York University (US))

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Flavour Physics Alice Hoy Room 309 ()
Alice Hoy Room 309
Convener: George WeiShu Hou (National Taiwan University (TW))
14:00
Results from the Daya Bay Experiment (On Behalf of the Daya Bay Experiment Collaboration) 20m
The Daya Bay Experiment has been measuring reactor antineutrino disappearance on short baseline with unprecedented precision since 2011. It was the first experiment which in 2012 observed a nonzero value of mixing angle $\theta_{13}$. Experiment benefits from the large statistics, precise knowledge of background and unique layout with 8 functionally identical antineutrino detectors deployed in the three underground experimental halls near the nuclear power plant complex in Southern China.\
We will present latest results on the measurement of the oscillation parameters $\sin^22\theta_{13}$ and $\Delta m^2_{ee}$. The Daya Bay Experiment can go with its precise measurement beyond 3flavour neutrino framework. We will show updated search for light sterile neutrino in the antineutrino oscillations.\
Measurement of the absolute reactor antineutrino flux will be also presented. Being lower than the theoretical predictions, it favors the so called 'reactor anomaly' which is in an agreement with previous measurements of other shortbaseline experiments. The result can be explained by existence of sterile neutrino at the scale of $\Delta m^2\sim1\text{ eV}^2$.\
Moreover, we will show recent search for time dependent sidereal modulation of the antineutrino oscillations as possible indication of the CPT and Lorentz Invariance violation.Speaker: Mr. Bedrich Roskovec (Charles University in Prague) 
14:20
Mass Insertions vs. Mass Eigenstates calculations in Flavor Physics 20m
I will discuss the relation between QFT amplitudes calculated in the "interaction" basis and "mass eigenstate" basis, especially important for flavor physics. I will present and prove a theorem in matrix analysis allowing to algebraically translate an amplitude written in mass eigenbasis into flavor mass insertions, without performing diagrammatic calculations in the interaction basis. The mentioned technique works to any mass insertion order for amplitudes involving scalar, vector and fermion particles. I will also describe MassToMI Mathematica package automatizing such translation and discuss its application to physical examples of neutron Electric Dipole Moment and Higgs boson decays in the MSSM.
Speaker: Janusz Andrzej Rosiek (University of Warsaw (PL)) 
14:40
Leptonic CP violation and mass hierarchy in the presence of sterile neutrino 20m
We investigate the impact of a light sterile neutrino (∼ eV) on the prospective data expected
from currently running longbaseline experiments T2K and NOνA. If the future short baseline
experiments confirm the existence of an eV scale sterile neutrino, then the 3+1 scheme will
modify the mass hierarchy and CPviolation searches of the 3 active neutrino scenario in
these two experiments (taken alone and in combination). We perform a detailed study of the
sensitivity of these two experiments in the presence of new active sterile mixing angles and
Dirac CPviolating phases. T2K and NOνA may give the first indications of new CP phases
involved in such a 3+1 scenario and enable the extraction of more information on this enlarged
active sterile mixing parameter sector.
Speaker: Zachary Matthews (University of Adelaide) 
15:00
Analysis of $B \to PP,PV$ decays in Factorization Assisted Topological Amplitude Approach 20m
We analyze charmless twobody nonleptonic B decays $B \to PP, PV$ under the framework of factorization assisted topological amplitude approach, where $P(V)$ denotes a light pseudoscalar (vector) meson. Compared with the conventional flavor diagram approach, we consider flavor $SU(3)$ breaking effect assisted by factorization hypothesis for topological diagram amplitudes of different decay modes, factorizing out the corresponding decay constants and form factors from nonfactorization (factorization) topological amplitudes after parameterizing (factorized in factorization framework) it as associated magnitude $\chi$ and strong phase $\phi$ (effective Wilson coefficient). These nonperturbative parameters are universal that can be extracted from current abundant experimental data of $B \to PP,PV$ simultaneously. With these best fitted parameters, we predict branching fractions and $CP$ asymmetries of 97 decay modes, which are in good agreement with measured data or to be test in the LHCb and the BelleII experiments in the future. The longstanding $\pi \pi$ and $\pi K$$CP$ puzzles are resolved with favorable colorsuppressed tree emission diagram $C$.
Speaker: CaiDian Lu (IHEP, Beijing) 
15:20
Impact of Z' Boson on Pure AnnihilatioDecays 20m
We study the $B_s \to \pi^+ \pi^$ and $B_d \to K^+ K^$ decays in the standard model and the family nonuniversal $Z^\prime$ model. Since none of the quarks in final states is the same as the initial quark, these decay modes can occur only via powersuppressed annihilation diagrams. Despite the consistence of the standard model prediction with the available data, there is a surviving room for a light $Z^\prime$ boson. Taking into account the $Z^\prime$ contribution, we find theoretical results for branching fractions can better accommodate the data. With the relevant data, we also derive a constraint on the parameter space for the $Z^\prime$. Moreover, for the $B_d \to K^+ K^$, both the direct and the mixinginduced $CP$ asymmetry are sensitive to the couplings between $Z^\prime$ and fermions in the parameter spaces constrained by data. The measurements at future experimental facilities, including the LHCb, BelleII and the proposed high energy $e^+e^$ collider, will provide us useful hints for direct searching for the light $Z^\prime$ boson.
Speaker: Dr. Ying LI (Yantai University, China) 
15:40
GUT Scale Threshold Effects on Proton Decay 20m
The supersymmetric grand unified theories (SUSY GUTs) are the promising models beyond the standard model for particle physics.
The standard SUSY GUTs predict that there exist the baryonnumber violating processes, such as proton decay.
It is important to estimate quantum corrections on these processes in order to predict precise nucleon lifetime since there exists a large scale running between the GUT scale and 1 GeV where the nucleon matrix elements are calculated.
In this work, we have evaluated the GUT scale threshold corrections to the Wilson coefficients of the dimensionsix baryonnumber violating operators,
and then we have estimated the effect of the threshold corrections on the decay rate in the minimal and nonminimal SUSY SU(5) GUTs.
This talk will be based on our recent papers [arXiv:1503.08561] and [arXiv:1603.03568].Speaker: Takumi Kuwahara (Nagoya University)

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Formal Field and String Theory Alice Hoy Room 333 ()
Alice Hoy Room 333
Convener: Peter Bouwknegt (Australian National University)
14:00
Supersymmetry, multiinstantons, and the necessity of Lefshetz thimbles 20m
Studies of fourdimensional confining supersymmetric theories on $R^3\times S^1$ have shown, via the power of supersymmetry, that instantonantiinstanton "topological molecules" have profound effects on their vacuum structure. In the calculable semiclassical regime, these are found responsible for center stability, confinement, and discrete chiral symmetry breaking. These configurations also play crucial role in recent studies of "resurgence"the fascinating interplay of perturbative and nonperturbative physics. They also exist in nonsupersymmetric theories, but their identification has been hampered by the lack of a controlled way to distinguish them from the perturbative vacuum.
We shall argue, using nonsupersymmetric path integral methods, that the inclusion of instantonantiinstanton configurations in the path integral requires the use of "Lefshetz thimbles", i.e. the complexification of (at least some) the integration paths in field space. We show that the corresponding results agree with those predicted by supersymmetry and discuss avenues for current and future work.
Speaker: Erich Poppitz 
14:20
Higgs and Coulomb Branch Localization in Quiver Quantum Mechanics 20m
We derive the localization formula for ${\cal N}=4$ supersymmetric quiver quantum mechanics in the Higgs and Coulomb branch. The partition function (index) is exactly evaluated and it is shown that the path integral is localized at fixed points, which are given by solutions to the BRST equations combined with Dterm and Fterm conditions. We give some examples of the quiver theory and classifications of their fixed points. We also discuss a gravitational description of the localization in the Coulomb branch.
Speaker: Prof. Kazutoshi Ohta (Meiji Gakuin University) 
14:40
BPS Boojums in N=2 supersymmetric gauge theories 20m
We study 1/4 Bogomol'nyiPrasadSommerfield (BPS) composite solitons of vortex strings, domain walls and boojums in N=2 supersymmetric Abelian gauge theories in four dimensions. We obtain both numerical and analytical solutions to the 1/4 BPS equations with the finite gauge coupling constant. We examine various configurations and clarify how the shape of the boojum depends on the coupling constants and moduli parameters. We find a semilocal boojum with a size moduli which appears when the semilocal string ends on the domain wall. Dyonic solutions are also obtained. When the configuration is extended to the dyonic case, the domain wall becomes an electric capacitor storing electric charges on its skin.
Speaker: Filip Blaschke 
15:00
Cyclic Leibniz rule, cohomology and nonrenormalization theorem in lattice supersymmetry 20m
We first discuss that a full supersymmetry algebra cannot be realized
on lattice. This comes from the fact that the Leibniz rule of spacetime
derivatives in the continuum cannot hold for finite difference operators
on lattice by the nogo theorem. We then propose a modified Leibniz rule,
called a cyclic Leibniz rule (CLR), on lattice, and consider a complex
supersymmetric quantum mechanics equipped with the CLR.
It is shown that the CLR allows two of four supercharges of the
continuum theory to preserve, while a naive lattice model can realize
one supercharge at the most. A striking feature of our lattice model
is that there are no quantum corrections to potential terms in any
order of perturbation theory. This is one of characteristic properties
of supersymmetric theory in the continuum. It turns out that the
CLR allows to have a nontrivial cohomology and plays a crucial role
in the proof of the nonrenormalization theorem.Speaker: Makoto Sakamoto (Kobe University) 
15:20
DBI action of real linear superfield in 4D N=1 conformal supergravity 20m
We construct the DiracBornInfeld (DBI) action of a real linear multiplet
in 4D N = 1 supergravity. Based on conformal supergravity, we derive the
general condition under which the DBI action can be realized, and show that
it can be constructed in the new minimal supergravity. We also generalize it
to the matter coupled system.Speaker: Shuntaro Aoki (Waseda University) 
15:40
"Infinite derivative Ghost free Gravity, holography, and deSitter and AntideSitter propagator" 20m
I will discuss the most generic covariant construction of infinite derivative theory of gravity which is ghost free and singularity free around Minkowski background. I will discuss the propagator, Euclidean aspect of Quantum Gravity, Holographic interpretation of infinite derivative gravity, and describe how to obtain Ghost free propagator around
deSitter and AntideSitter backgrounds.The talk will be based on summary of following results:
Phys.Rev.Lett. 108 (2012) 031101,
Phys.Rev.Lett. 114 (2015) no.20, 201101,
Class.Quant.Grav. 32 (2015) no.21, 215017, and
" ePrint: arXiv:1602.08475 [hepth]",Speaker: Anupam Mazumdar (Lancaster University)

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Higgs Physics Yasuko Hiraoka Myer Room ()
Yasuko Hiraoka Myer Room
Convener: ZhaoHuan Yu (University of Melbourne)
14:00
Higgs to SUSY decays 20m
We present the full oneloop calculations of Higgs bosons to SUSY particles in the MSSM with complex parameters (cMSSM). They include SUSYQCD and electroweak corrections, as well as real QED and QCD radiation. The size of the corrections are at the level of 1020%, but can also be higher, depending on the parameter space. Consequently, the oneloop corrections should be included in any precision SUSY Higgs analysis. It is planned to include the results into our code FeynHiggs.
Speaker: Sven Heinemeyer (CSIC (Santander, ES)) 
14:20
Unraveling the CP phase of topHiggs coupling in associated production at the LHC 20m
We study the sensitivity of top polarization observables to the CP phase $\zeta_t$ in the top Yukawa coupling in the process $pp\to thj$ at the 14 TeV highluminosity run of Large Hadron Collider (HLLHC). We calculate the top polarization in this process as well as an azimuthal asymmetry of the charged lepton arising from the decay of the top in the laboratory frame. We find that the dependence of this laboratoryframe azimuthal asymmetry on the phase $\zeta_t$ is closely similar to the dependence of the top polarization on $\zeta_t$. As compared to the cross section, which is sensitive to $\zeta_t$ for larger values, the lepton azimuthal asymmetry can provide a sensitive measurement of $\zeta_t$ for smaller values.
Speaker: Pankaj Sharma (CoEPP, Adelaide) 
14:40
Gravitational waves from nonlinearly realised electroweak phase transition 20m
The Higgs may be a singlet under a nonlinearly realised electroweak symmetry. Differing from the SM, anomalous Higgs cubic couplings are then permitted in the potential, which may lead to a first order electroweak phase transition. We find a range of cubic coupling that may lead to observable gravitational waves signatures at interferometer such as eLISA.
Speaker: Jason Tsz Shing Yue (University of Sydney) 
15:00
Probing classically conformal B−L model with gravitational waves 20m
We study the cosmological history of the classical conformal B−L gauge extension of the standard model, in which the physical scales are generated via the ColemanWeinbergtype symmetry breaking. Especially, we consider the thermal phase transition of the U(1)B−L symmetry in the early universe and resulting gravitationalwave production. Due to the classical conformal invariance, the phase transition tends to be a firstorder one with ultrasupercooling, which enhances the strength of the produced gravitational waves. We show that, requiring (1) U(1)B−L is broken after the reheating, (2) the B−L gauge coupling does not blow up below the Planck scale, (3) the thermal phase transition completes in almost all the patches in the universe, the gravitational wave spectrum can be as large as ΩGW∼10−8 at the frequency f∼0.011Hz for some model parameters, and a vast parameter region can be tested by future interferometer experiments such as eLISA, LISA, BBO and DECIGO.
Speaker: Ryusuke Jinno (KEK) 
15:20
Boosting the charged Higgs search using jet substructure at the LHC 20m
Charged Higgs bosons are predicted in variety of theoretically wellmotivated new physics models with extended Higgs sectors. In this study, we focus on a typeII two Higgs doublet model (2HDMII) and consider a heavy charged Higgs with its mass ranging from 500 GeV to 1 TeV as dictated by the $b\to s\gamma$ constraints which render $M_{H^\pm}>480$ GeV. We study the dominant production mode $H^\pm t$ associated production with $H^\pm \to W^\pm A$ being the dominant decay channel when the pseudoscalar $A$ is considerably lighter. For such a heavy charged Higgs, both the decay products $W^\pm$ and $A$ are relatively boosted. In such a scenario, we apply the jet substructure analysis of tagging the fat pseudoscalar and $W$ jets in order to eliminate the standard model background efficiently. After performing the detailed detector simulation and applying the kinematical cuts, we present the LHC search sensitivities for the charged Higgs boson with mass up to 1 TeV in the $W^\pm A$ decay channel.
Speaker: Mr. Riley Patrick (University of Adelaide) 
15:40
Exploring tau lepton pairs from Higgs at the LHC 20m
We study a noble approach in reconstructing the semiinvisible events by utilizing the constrained mass variable, $M_{2Cons}$ and applied so in case of presently developing scenario, when a pair of the third generation $\tau$ leptons originated from Higgs at LHC. Buoyed with a relatively large Yukawa coupling, the LHC has already started exploring this pair production to investigate the properties of Higgs in the leptonic sector. Dominant signatures through hadronic decay of tau, associated with invisible neutrinos compound the difficulty in the reconstruction of such events. Exploiting the already existing Higgs mass bound, the proposed method provides a unique event reconstruction and results in a significant enhancement in efficiency over the existing methods. After reconstructing the semiinvisible tau lepton pair events, we also study the CP properties of Higgs using taulepton momentum correlations.
Speaker: Abhaya Kumar Swain (Physical Research Laboratory)

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NonSUSY and Exotics Alice Hoy Room 242 ()
Alice Hoy Room 242
Convener: Thomas Rizzo
14:00
The hierarchy problem in nonsupersymmetric extended models 20m
Efforts building models of Grand Unification have overwhelmingly been within the framework of Supersymmetry, since it provides the dual benefit of a solution to the hierarchy problem and gauge coupling unification. Any nonsupersymmetric model of Grand Unification must necessarily include an alternative solution to the hierarchy problem. In this talk, I will discuss mechanisms such as asymptotic safety and the multiple point principle that provide interesting high scale boundary conditions on the Higgs quartic coupling leading to the prediction of the light Higgs boson. I will review the well known predictions within the Standard Model and describe new work on extended Higgs sectors and the predictions that such boundary conditions enforce. I will also look forward to how these ideas may be used in the construction of a believable nonsupersymmetric Grand Unified Theory.
Speaker: David Miller (University of Glasgow) 
14:20
Naturalness of the relaxion mechanism 20m
The relaxion mechanism is a novel solution to the hierarchy problem that utilizes the dynamics of an axionlike field. I discuss results from the first statistical analysis of the relaxion mechanism (arXiv:1602.03889), in which we quantified the relative plausibility of a QCD and a nonQCD relaxion model versus the Standard Model with Bayesian statistics, which includes an automatic penalty for finetuning. We included experimental constraints upon the weakscale, $\theta_\text{QCD}$ and inflationary observables measured by Planck/BICEP. Whilst we confirmed that relaxion models could solve the hierarchy problem, we found that their unconventional cosmology demolishes their plausibility.
Speaker: Andrew Fowlie 
14:40
Grand Unification in the light of preliminary LHC hints of $W_R$ 20m
In the LHC Run 1 CMS reported a 2.8$\sigma$ excess in the
$(2e)(2jets)$ channel around 2.1 TeV. We take this as a hint of
the production of a righthanded weak gauge boson, $W_R$, of the
leftright symmetric model arising from an $SO(10)$ grand unified
theory. We show that a $W_R$ with mass in the TeV region if
embedded in $SO(10)$ requires $0.64 \leq g_R/g_L \leq 0.78$,
when one abides by the Extended Survival Hypothesis. A unique
symmetrybreaking route  the order being leftright discrete
symmetry breaking first, followed by $SU(4)_C$ and finally
$SU(2)_R$  is also picked out. The $L \leftrightarrow R$
discrete symmetry must be broken around $10^{16}$ GeV while the
GUT scale is pushed to $10^{18}$ GeV. So, in this model
observation of proton decay in ongoing searches is unlikely. On
the flip side, the $SU(4)_C$ breaking scale can be as low as
$10^6$ GeV so that $n  \bar{n}$ oscillation or flavour changing
decays such as $K_L \rightarrow \mu e$ and $B_{d,s} \rightarrow \mu e$ may be detectable. The Higgs scalars responsible for
symmetry breaking at various stages are uniquely identified so
long as one adheres to a minimalist principle. We also remark on
the scope of interpreting the $O$(TeV)scale LHC Run 1
diboson and Run 2 diphoton indications within this model.Speaker: Dr. Amitava Raychaudhuri (University of Calcutta, India) 
15:00
Radiative LeftRight symmetry breaking from flavour enhanced trinification 20m
In this talk I will present our recent work on a nonsupersymmetric trinification GUT with a global $\mathrm{SU}(3)$ flavour symmetry. The $\mathrm{SU}(3)$ flavour symmetry solves many of the persistent issues of traditional trinification model building, where models typically contain an uncomfortably large number of free parameters and naturally prefers GUT scale masses for the Standard Model (SM) fermions. In our model, the trinification symmetry group (gauge and global) is spontaneously broken down to the standard LeftRight symmetric gauge group, together with an extra $\mathrm{SU}(2) \times \mathrm{U}(1)$ global symmetry. Upon integrating out the heavy states at this scale, we obtain an effective LeftRight symmetric model which spontaneously breaks to the SM gauge group at a lower scale by means of RG running.
Speaker: Mr. Jonas Wessén (Lund University) 
15:20
Constraining Exotic Signatures Using Simplified Models 20m
Simplified models are a successful way of interpreting current LHC searches for models beyond the standard model (BSM). So far most simplified models have focused on topologies featuring a missing transverse energy (MET) signature. However, in some BSM theories other, more exotic, signatures occur. We discuss the utility of applying the simplified models framework to exotic signatures, such as heavy stable charged particles (HSCP). As a physical application we investigate the CMSSM stau coannihilation strip containing longlived staus, which presents a potential solution to the Lithium problem. Applying both MET and HSCP constraints we show that, for low values of tanβ, all this region of parameter space either violates Dark Matter constraints or is excluded by LHC searches.
Speaker: Prof. Andre Lessa (UFABC) 
15:40
Backreaction of particle production on false vacuum decay 20m
As originally described by Rubakov, particles are produced during the tunneling of a metastable quantum field. We propose to extend his formalism to compute the backreaction of these particles on the semiclassical decay probability of the field. The idea is to integrate out the external bath of particles by computing the reduced density matrix of the system. Following this approach, we derive an explicit correction factor in the specific case of scalar particle production in flat spacetime. In this given framework, we conclude that the backreaction is ultraviolet finite and enhances the decay rate. Moreover, in the weak production limit, the backreaction factor is directly given by one half of the total number of created particles. In order to estimate the importance of this correction, we apply our formalism to a toy model potential which allows us to consider both the decay of a homogeneous bounce and the nucleation of a thinwall bubble. In the former case, the impact of the created particles is parameter dependent and we exhibit a reasonable choice of variables for which ones the backreaction is significant. In the latter case, we conclude that the backreaction is always negligible.
Speaker: Cyril Lagger (The University of Sydney)

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SUSY Models Alice Hoy Room 225 ()
Alice Hoy Room 225
Convener: Peter Athron
14:00
Nonuniversal MSSM as the effective theory from flavour 20m
Flavour symmetries a la FroggattNielsen provide a compelling way to explain the hierarchy of fermionic masses and mixing angles in the Yukawa sector. In Supersymmetric extensions of the SM where the breaking of Supersymmetry occurs at scales much larger than the breaking of flavour,
this flavour symmetry must be respected not only by the Yukawas of the superpotential, but by the soft  breaking masses and trilinear terms as well. In this work we show that contrary to naive expectations, even starting with flavour blind soft breaking at a high scale, the effective theory obtained after integrating out the heavy flavour mediator fields is strongly nonuniversal. We explore the phenomenology of these SUSY models after the latest LHC searches for new physics.Speaker: Oscar Manuel Vives Garcia (Instituto de Fisica Corpuscular (ES)) 
14:20
Natural Supersymmetry and Unification in Five Dimensions 20mWe explore unification and natural supersymmetry in a five dimensional extension of the standard model in which the extra dimension may be large, of the order of 110 TeV. Power law running generates a TeV scale At term allowing for the observed 125 GeV Higgs and allowing for stop masses below 2 TeV, compatible with a natural SUSY spectrum. We supply the full oneloop RGEs for various models and use metastability to give a prediction that the gluino mass should be lighter than 3.5 TeV for At > 2.5 TeV, for such a compactification scale, with brane localised 3rd generation matter. We also discuss models in which only the 1st and 2nd generation of matter fields are located in the bulk. We also look at electroweak symmetry breaking in these models.Speaker: Alan Cornell

14:40
Nonlinearly realised electroweak symmetry in the MSSM and phenomenological aspects 20m
Minimal Supersymmetry offers an explanation for the Hierarchy Problem in the Standard Model of Particle Physics, however still requires fine tuning in order to receive the correct higgs mass. We can consider compressed spectrum SUSY, where we can decouple the sparticle sector from the electroweak physics and still maintain a light higgs mass. The phenomenology of such situations, including calculations of the muon g2, dark matter relic density and other observables are explored. Alternatively, we explore the particle spectrum of a SUSY model with the electroweak symmetry nonlinearly realised. With the higgs realised as an SM singlet field in this parameterisation, we discover a unique and rich spectrum relevant to collider phenomenology.
Speaker: Matthew Talia (University of Sydney) 
15:00
On the smallness of the dark energy density in SUGRA models with Planck scale SUSY breaking and degenerate vacua 20m
In $N=1$ supergravity (SUGRA) supersymmetric (SUSY) and nonsupersymmetric
Minkowski vacua originating in the hidden sector can be degenerate. This allows for
consistent implementation of the multiple point principle (MPP) assumption.
We present noscale inspired SUGRA model where the MPP assumption is realised
at the treelevel without extra finetuning. In the supersymmetric phase in flat Minkowski space SUSY may be broken dynamically inducing tiny vacuum energy density which can be assigned, by virtue of MPP, to all other phases including the one in which we live.We argue that the measured value of the cosmological constant, as well as the small
values of quartic Higgs selfcoupling and the corresponding beta function at the Planck
scale, which can be obtained by extrapolating the Standard Model (SM) couplings to
high energies, can originate from supergravity (SUGRA) models with degenerate vacua.
This scenario is realised if there are at least three exactly degenerate vacua. In the first vacuum, associated with the physical one, local supersymmetry (SUSY) is broken near the Planck scale while the breakdown of the $SU(2)_W\times U(1)_Y$ symmetry takes
place at the electroweak (EW) scale. In the second vacuum local SUSY breaking
is induced by gaugino condensation at a scale which is just slightly lower than
$\Lambda_{QCD}$ in the physical vacuum. Finally, in the third vacuum local SUSY
and EW symmetry are broken near the Planck scale.Speaker: Roman Nevzorov (University of Adelaide) 
15:20
Compressed SUSY with 125 GeV Higgs 20m
A compressed spectrum is seen as an natural explanation for the elusiveness of lowenergy supersymmetry at the LHC. Some characteristic signals, such as monojet + MET, had been accepted as its trademark signals although investigations suggested that lower limits on the supersymmetric particle masses are quite stringent in spite of compression. Also, most compressed SUSY scenarios studied so far are only partially compressed. In this backdrop, we make an exhaustive analysis of the compressed SUSY scenarios for the 13 TeV run of LHC, keeping the level of compression in the entire spectrum as high as possible. A broad class of benchmark spectra are thus considered, after ensuring consistency with the observed Higgs mass as well as the dark matter constraints. The rates of observable events in the highenergy run are obtained through detailed simulation, for both the multijet + MET and monojet + MET final states. We argue that the former is still more efficient to reveal a compressed SUSY spectrum first, while the latter can serve as a useful confirmatory channel.
Speaker: Partha Konar (Physical Research Laboratory, Ahmedabad, Gujarat380 009, INDIA)

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Coffee Break 30m Sidney Myer Asia Centre Foyer ()
Sidney Myer Asia Centre Foyer

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Dark Matter and Particle Astrophysics Carillo Gantner Theatre ()
Carillo Gantner Theatre
Carrillo Gantner Theatre, Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Genevieve Belanger (Laboratoire d'AnnecyleVieux de Physique Théorique)
16:30
Gravitational Wave Instabilities in the Cosmic Neutrino Background 20m
We investigate the propagation of gravitational waves through the cosmic neutrino background, assuming it carries a nonzero lepton asymmetry. In this background, the graviton dispersion relation is found to exhibit birefringent behaviour leading to an enhancement/suppression of the gravitational wave amplitudes depending on the polarisation, where the magnitude of this effect is related to the size of the lepton asymmetry. The heralding of the new era of gravitational wave astronomy may allow the investigation of this behaviour and provide an indirect way to learn about the properties of the cosmic neutrino background and the neutrino sector.
Speaker: Neil Barrie 
16:50
Constraints on cosmological viscosity from GW150914 observation 20m
It has been shown that gravitational waves propagate through ideal fluids without experiencing any dispersion or dissipation. However, if the medium has a nonzero shear viscosity, gravitational waves will be dissipated at a rate proportional to $G \eta$. We test Dark Matter and Dark Energy models with nonzero shear viscosity by calculating the dissipation of GW150914 which propagates over a distance of 410 Mpc through the dissipative
fluid and comparing the data with the theoretical prediction. We put an upper bound on the shear viscosity of the cosmological fluid as < $10^9$ Pa sec which is close to the critical viscosity of fluids at which the viscous pressure becomes significant for the dynamics of the Universe. We show that future observations of gravitational waves at LIGO have the potential of detecting any possible viscosity of Dark Matter and Dark Energy. Finally, we comment on how this could be related to a lower bound on the selfinteraction crosssection of Dark Matter.Speaker: Gaurav Goswami (Ahmedabad University) 
17:10
Layered dielectric haloscopes: a new way to detect axion dark matter 20m
Axions and axionlike particles are among the bestmotivated candidates for dark matter. In particular, the QCD axion is capable of not only providing a dark matter candidate, but it also gives a natural explanation for the strong CP problem. Consequently, the detection of dark matter axions is of great interest as it would solve two of the most significant problems of modern physics. To this end, we introduce a new method to detect galactic darkmatter axions using dielectrics. When a dielectric interface is inside a strong parallel magnetic field, the oscillating axion field acts as a source of microwaves, which emerge in both directions perpendicular to the surface. These microwaves compensate for a discontinuity in the axion induced electric field. Crucially, the emission rate can be boosted by multiple parallel layers judiciously placed to achieve constructive interference. Starting from the axionmodified Maxwell equations, we calculate the efficiency of this new "layered dielectric haloscope'' approach. This technique may prove useful in the wellmotivated highfrequency range of 10100 GHz (axion mass
40400 $\mu$eV), where traditional cavity resonators have difficulties reaching the required volume. This would allow one to study axion dark matter generated by the topological defects, which occur if the reheating temperature after inflation was lower than the PecceiQuinn scale. Unlike a cavity resonator it is possible for dielectric haloscopes to conduct a broadband search. In particular, we study the relation between the power generated and the bandwidth, the connection between the emission and reflection functions, the required placement precision for meterscale disks, and the impact of small but nonvanishing axion velocities.Speaker: Alex Millar (Max Planck Institute for Physics) 
17:30
Searches for AxionLike Particles with NGC1275: Observation of Spectral Modulations 20m
Axionlike particles (ALPs) can induce localised O(10%) oscillatory modulations in the spectra of photon sources passing through astrophysical magnetic fields. Ultradeep Chandra observations of the Perseus cluster contain over 5×10^5 counts from the central NGC1275 AGN and represent a dataset of extraordinary quality for ALP searches. We use these to search for Xray spectral irregularities from the AGN. The absence of irregularities at the O(30%) level allows us to place leading constraints on the ALPphoton mixing parameter g_aγγ≲1.5−5.4×10^{−12}GeV^{−1} for axion mass m_a≲10^{−12}eV, depending on assumptions on the magnetic field realisation along the line of sight. At O(10%) level two modulations are present at high statistical significance, an excess in the 22.2 keV region and a deficit at 3.43.5 keV. We are unable to account for these through conventional instrumental or astrophysical processes and, interpreted as a signal, they would correspond to an ALPphoton coupling in the range g_aγγ∼1−5×10^{−12}GeV^{−1}. This talk is based on 1605.01043.
Speaker: Nicholas Jennings (University of Oxford) 
17:50
Colour Breaking Baryogenesis 20m
We propose a new cosmological scenario for the production of the baryon asymmetry of the Universe which exploits a multistep phase transition in which SU(3) color symmetry is fist broken and then restored. Baryon production occurs during the initial transition mainly due to spontaneous breaking of BL near the phase boundary. The same BL violation leads to washout far away from the wall. However, as long as the second transition is not firstorder and occurs before the total baryon asymmetry is depleted, all washout processes are quenched and some fraction of the baryon asymmetry produced persists as the observed baryon asymmetry of our Universe. We illustrate this mechanism with a simple model that reproduces the observed baryon asymmetry and discuss how certain aspects of such a scenario may potentially be probed by future electric dipole moment and collider searches.
Speaker: Graham White (Monash University)

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Experimental and Collider Aspects of SUSY Sidney Myer Asia G02G03 ()
Sidney Myer Asia G02G03
Convener: Monoranjan Guchait (Tata Institute of Fundamental research(TIFR))
16:30
The Global And Modular BSM Inference Tool (GAMBIT) 20m
With the flood of data from particle and astrophysics experiments increasing all the time, it is harder than ever to test beyond Standard Model (BSM) physics theories in a comprehensive and rigorous manner. I will present a new tool for performing global fits of generic new physics models using a very wide range of particle and astrophysics measurements. Results from studies of supersymmetric parameter spaces and Higgs portal dark matter scenarios will be presented.
Speaker: Martin John White (University of Adelaide (AU)) 
16:50
Dissecting Jets and Missing Energy Searches Using nbody Extended Simplified Models 20m
New physics scenarios for the LHC are often characterized by Simplified Models,
where the decay of a given particle is represented by an operator involving a minimal
number of fields. Such decay operators can be generalized beyond the
standard cases to describe a wide variety of final state multiplicities. This approach,
which we dub the nbody extension of Simplified Models, provides a unifying
treatment of the signal phase space resulting from a large class of new physics
scenarios. In this talk, we present its first application, in the context of multijet
plus missing energy searches. We present a global performance study aiming at
identifying which set of observables yields the best discriminating power against the
largest Standard Model backgrounds for a wide range of signal jet multiplicities. Our
analysis compares combinations of one, two and three variables, placing emphasis
on the enhanced sensitivity gain resulting from nontrivial correlations. To this
end, machinelearning techniques known as boosted decision trees are employed.
We compare and classify performance of combinations of missing energy, energy
scale and energy structure observables, and we demonstrate that observables from
each of the three classes are required to achieve optimal performance. This work
additionally serves to demonstrate the utility of nbody extended Simplified Models
as a diagnostic for unpacking the relative merits of different search strategies, thereby
motivating their application to other signatures of new physics beyond jets and
missing energy.Speaker: Dr. Matthew Dolan (University of Melbourne) 
17:10
Mass and event reconstruction under constraint in semiinvisible production at the LHC 20m
Semiinvisible production at the Large Hadron Collider are often theoretically essential or experimentally convenient signatures originated from a large class of physics models beyond the standard model. Be it light neutrino or some heavy exotic dark matter, observing absence being the signature of their presence, and any study looking into these neutral, stable missing particles remains complex. Here starting from an organizing principle, we present the developments on some of the constrained variables useful for deriving properties and couplings associated with these invisible particles.
Speaker: Partha Konar (Physical Research Laboratory, Ahmedabad, Gujarat380 009, INDIA) 
17:30
SinglinoHiggsino Dark Matter in the NMSSM 20m
We study a simplified scenario in the nexttominimal supersymmetry standard model where the electroweak sector has a split spectrum with light singlino and higgsinos and the lightest neutralino $\tilde{\chi}_1^0$ is singlinodominated. Serving as a dark matter candidate, $\tilde{\chi}_1^0$ should have either resonant annihilation effects or sizable higgsino components to satisfy the observed relic abundance. The sensitivities of LHC trilepton and dilepton searches and dark matter detection experiments are investigated. Near future direct and indirect dark matter searches are promising to cover the parameter regions where collider searches lose their sensitivities.
Speaker: ZhaoHuan Yu (University of Melbourne) 
17:50
Towards a phenomenological MSSM fit with Fittino 20m
The phenomenological Minimal Supersymmetric Standard Model (pMSSM) is investigated in the light of constraining experimental and observational data from precision measurements, astrophysics, direct supersymmetry searches at the LHC and measurements of the properties of the Higgs boson by means of a global fit using the program Fittino. Emphasis is set on a precise description of the limits from the full set of LHC SUSY searches and on the measures needed to finally proceed towards calculating a pvalue for pMSSM models.
In addition, Fittino is used in combination with SModelS, a tool for interpreting simplified model results, and CheckMATE, a tool for the inclusive reinterpretation of LHC searches, to find important signatures for nonexcluded regions in the simplified models published by the LHC collaborations.
Speaker: Jory Sonneveld (Universität Hamburg)

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Formal Field and String Theory Alice Hoy Room 333 ()
Alice Hoy Room 333
Convener: David Ridout (University of Melbourne)
16:30
Component versus Superspace Approaches to D=4, N=1 Conformal Supergravity 20m
We show the equivalence between the superspace formulation and the conventional component field approach based on the superconformal tensor calculus of ${\cal N}=1$ conformal supergravity in four dimensions, and that superspace formulation does not have the restriction previously discussed by
Kugo and Uehara.
We present also the correspondences of the conformal multiplets.
This talk is based on the preprint arXiv:1602.04441.Speaker: Ryo Yokokura (Keio University) 
16:50
Magnetized orbifold models of dynamical supersymmetry breaking 20m
Magnetic fluxes in extra dimensional space can be an origin of the flavor structure of the standard model. In particular, in higherdimensional supersymmetric YangMills (SYM) theories compactified on magnetized orbifolds, several MSSMlike models were constructed successfully.
In this work, we derive dynamical supersymmetry breaking models from a single SYM theory compactified on magnetized orbifolds to combine with the MSSMlike models mentioned above. In magnetized orbifold models, essential structure of dynamical supersymmetry breaking mechanism, such as, field contents, their couplings and the number of flavors of SU(N) gauge theory, is completely determined by the structure of extra dimensional space. We research configurations of the magnetic fluxes and orbifold projections in a systematic way. As the result, we found several suitable configurations to generate the dynamical supersymmetry breaking. Furthermore, in some of the obtained configurations, orbifold projections eliminate all of extra massless modes which will cause problems in phenomenology of particle physics and cosmology.
We also discuss its association with other sectors, such as, the MSSM sector and moduli stabilization mechanisms.Speaker: Keigo SUMITA 
17:10
The SSM with Suppressed SUSY Charge 20m
A new version of the SSM Action is constructed. The constuction starts with the usual SSM before any breaking is implemented. So there are the usual Chiral SU(2) Doublets and Singlets for the Left and Right Quark and Lepton Superfields, and the usual two Chiral SU(2) Doublets for the Higgs Superfields. One more Chiral SU(2) Triplet Higgs Superfield is added. These are coupled as usual to the Gauge Superfields for $SU(3) \times SU(2) \times U(1)$. No other Superfields are used, and no spontaneous or explicit breaking of SUSY is assumed. No hidden or messenger sector is assumed. There is a Master Equation that implements exact SUSY in this starting theory.
The Chiral multiplets are then subjected to a set of `Exchange Transformations', which remove some or all of the Scalars from the Chiral Multiplets. These change the Chiral Multiplets into two new kinds of SUSY Multiplet that have Suppressed SUSY Charge'.
The Exchange Transformations preserve SUSY exactly, in the sense that the resulting model still exactly satisfies a new Master Equation for SUSY.These Exchange Transformations are chosen so that all the Squarks and Sleptons are removed. So this new SSM is exactly equal to the old Standard Model in its Matter sector. The Higgs sector has half of its Scalar Fields removed. The remaining Higgs Scalars develop VEVs to give mass to the Quarks and Leptons, and they also spontaneously break the Gauge symmetry from $SU(2) \times SU(1)$ down to $U(1)$. One major difference from the old Standard Model is the prediction of two new Higgs Bosons, and their masses, which are predicted to be approximately 13.4 TeV. Another major difference is the prediction of Gauginos and Higgsinos which are degenerate in Mass with the Gauge and Higgs Bosons. These Gauginos and Higgsinos are also uncoupled to the Quarks and Leptons.
Speaker: John Dixon (CAP) 
17:30
SoftCollinear Supersymmetry 20m
SoftCollinear effective theory (SCET) is a framework for organizing the infrared structure of theories that manifest soft and collinear divergences in the Feynman diagram expansion. We provide the first demonstration that SCET can be made compatible with supersymmetry (SUSY). SCET is formulated by expanding fields along a lightlike direction, and then subsequently integrating out degreesoffreedom that are away from the lightcone. This can be done consistently with a welldefined power counting parameter. Naively, the presence of a specific frame obscures Lorentz invariance and provides a possible obstruction for compatibility with extended spacetime invariance, i.e., SUSY. In order to demonstrate that the SCET limit of SUSY YangMills is itself consistent, we develop a formalism for 2component fermions in the collinear limit, and then provide the first derivation of the SCET Lagrangian expressed in lightcone gauge. A proof that N = 1 SUSY YangMills can be formulated in a selfconsistent manor, and is given in terms of component Lagrangians (obstructions for chiral theories such as the WessZumino model are also ellucidated). A novel “collinear superspace” is introduced, and can be used to derive the lightcone gauge SUSY SCET theory directly by integrating out half of superspace. Furthermore, this can be bootstrapped back to the full theory to yield the first direct derivation of the full theory SUSY YangMills onshell superspace action. Our formalism paves the way to explore the softcollinear limit of N = 4 SYM or N = 8 supergravity.
Speaker: Gilly Elor 
17:50
NambuJonaLasinio Model of Dynamical Supersymmetry Breaking 20m
Supersymmetry is undoubtedly a popular candidate for physics beyond the Standard Model. However, the origin of soft supersymmetry breaking masses has been usually depicted intricately in the literature via extra hidden/mediating sectors. Thus, a simple theory for the generation of the soft masses would be more compelling. In this talk, I will present the prototype model with a foursuperfield interaction term that induces a real twosuperfield composite with vacuum condensate. The latter has supersymmetry breaking parts, which we show to bear nontrivial solution following a standard nonperturbative analysis for a NambuJonaLasinio type model. No other messenger sector, or hidden sector is needed. Moreover, the analysis of effective theory picture, and the presence of the expected Goldstino along with the supersymmetry breaking, will be discussed.
Speaker: Dr. Yifan Cheng (Department of Physics and Center for Mathematics and Theoretical Physics, National Central University, Taiwan)

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Higgs Physics Yasuko Hiraoka Myer Room ()
Yasuko Hiraoka Myer Room
Convener: Tao Liu (The Hong Kong University of Science and Technology (HK))
16:30
Unnatural Composite Higgs at the LHC 20m
Longlived, colourtriplet scalars are a generic prediction of unnatural, or split, composite Higgs models where the spontaneous globalsymmetry breaking scale $f≳10$ TeV and an unbroken SU(5) symmetry is preserved. Since the triplet scalars are pseudo NambuGoldstone bosons they are split from the much heavier compositesector resonances and are the lightest exotic, coloured states. This makes them ideal to search for at colliders. Due to discrete symmetries the triplet scalar decays via a dimensionsix term and given the large suppression scale $f$ is often metastable. We show that existing searches for colliderstable Rhadrons from RunI at the LHC forbid a triplet scalar mass below 845 GeV, whereas with 300 fb$^{−1}$ at 13 TeV triplet scalar masses up to 1.4 TeV can be discovered. For shorter lifetimes displacedvertex searches provide a discovery reach of up to 1.8 TeV. We also present exclusion and discovery reaches of future hadron colliders.
Speaker: Peter Cox (The University of Melbourne) 
16:50
E6 inspired composite Higgs model and 750 GeV Diphoton Excess 20m
We consider a composite Higgs model embedded into a Grand Unified Theory (GUT) based on the $E_6$ gauge group. The phenomenological viability of this $E_6$ inspired composite Higgs model (E$_6$CHM) implies that standard model (SM) elementary fermions with
different baryon or lepton number should stem from different $27$ representations of $E_6$. We present a sixdimensional orbifold GUT model in which the $E_6$ gauge symmetry is broken to the SM gauge group so that the appropriate splitting of the bulk $27$plets takes place. In this model the strongly coupled sector is localised on one of the branes and possesses an $SU(6)$ global symmetry that contains the $SU(3)_C\times SU(2)_W\times U(1)_Y$ subgroup. In this case the approximate gauge coupling unification can be attained if the righthanded top quark is a composite state and the elementary sector involves extra exotic matter beyond the SM which ensures anomaly cancellation.
The breakdown of the approximate $SU(6)$ symmetry at low energies in this model results in a set of the pseudoNambuGoldstone states which include a Higgs doublet and scalar colour triplet. The presence of the TeV scale vectorlike exotic quarks and scalar colour triplet may provide spectacular new physics signals that can be observed at the LHC. The possible interpretation of the 750 GeV diphoton excess within this composite Higgs model is also discussed.Speaker: Roman Nevzorov (University of Adelaide) 
17:10
A Sequential Heavy Quark Doublet Q and a Light Dilaton D 20m
There is a cry in the wilderness: "Repent! The Higgs boson may be fictitious." (Phil Anderson, Nature Physics 2/2015). A light "Higgs" mode appears in a specially prepared superconductor material, where "amplitude modes" are much higher at twice the energy/mass gap. With the 125 GeV boson well established, could it be dynamical rather than elementary, and not in the Standard Model Lagrangian? We recount the possibility that an extra sequential quark Q with Yukawa coupling lambdaQ > 4pi could be the source of dynamical electroweak symmetry breaking, while the 125 GeV boson is a dilaton from spontaneous violation of scale invariance. To exclude the latter, one should make datebased measurements of both the vectorboson fusion and gluongluon fusion plus twojet processes at the LHC, which can be achieved with Run 2 data. With such strong Yukawa coupling, the numerical solution of a "gap equation" is shielded from UV completion, though the actual UV should not be too far beyond, and likely related to the fundamental theory of Yukawa couplings. The 2mQ scale may be out of reach for the LHC, but QQ(bar) boundstates could be accessible, while supporting Bd > mu+mu and KL > pi0 nu nu(bar) rare decays could emerge during the LHC Run2 period.
Speakers: George WeiShu Hou (National Taiwan University (TW)) , Prof. George WeiShu Hou (National Taiwan University) 
17:30
Measuring the Higgs Boson Trilinear and Quartic Couplings at the LHC 20m
Thus far the results from the LHC indicate that the couplings of
the Higgs boson to other particles are consistent with the
Standard Model (SM). However the ultimate test as to whether this particle
is the SM Higgs boson will be the trilinear Higgs coupling that
appears in Higgs pair production and the quartic Higgs coupling
that shows up in triple Higgs production.
To gain some sense about the likelihood of measuring the Higgs boson self
couplings, we calculate the cross section and interferences for
Higgs pair production and triple Higgs production in pp collisions at the LHC.Speaker: Chung Kao 
17:50
Nexttoleading order unitarity fits of the TwoHiggsDoublet Models 20m
We present global fits of the TwoHiggsDoublet models with a softly broken $Z_2$ symmetry. The results were obtained with the public HEPfit package and combine the effects of various constraints coming from experiment (including LHC run I) and theory. As for the latter, we use for the first time the nexttoleading order contributions to the scattering matrix of ``two scalar to two scalar" processes in a global TwoHiggsDoublet model fit. We will discuss in detail how unitarity and perturbativity affect the model parameters.
Speaker: Debtosh Chowdhury (INFN, Rome)

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NonSUSY and Exotics Alice Hoy Room 242 ()
Alice Hoy Room 242
Convener: Prof. Geoffrey Norman Taylor (University of Melbourne (AU))
16:30
Searches for physics beyond the Standard Model using jetbased resonances with the ATLAS Detector 20m
Run2 of the LHC, with its increased centerofmass energy, is an
unprecedented opportunity to discover physics beyond the Standard
Model. One interesting possibility to conduct such searches is to use
resonances based on jets. The latest search results from the ATLAS
experiment, based on either inclusive or heavyflavour jets, will be
presented.Speaker: Meghan Frate (University of California, Irvine) 
16:50
Exotica searches with LHCb 20m
A flexible trigger system, excellent vertex locator, ring imaging Cherenkov (RICH) detectors, and forward acceptance allow unique direct searches to be performed at LHC energies using data collected with the LHCb detector, in particular dealing with complementary New Physics parameter regions. A summary of results will be presented, including several SUSY related results, such as searches for longlived heavy charged particles, as well as displaced particles decaying into jet pairs.
Speaker: Gerco Onderwater (Van Swinderen Institute) 
17:10
Searches for Magnetic Monopoles and Anomalously Charged Objects with ATLAS 20m
Results of searches for highly ionising particles and particles with
anomalously high electric charge produced in protonproton collisions in
the ATLAS detector are presented. Such signatures, encompassing particles
with charges from 10 to 60 times the electron charge, involve high levels
of ionization in the ATLAS detector and can arise from magnetic monopoles
or models involving technicolor, doubly charged Higgs bosons or composite
dark matter models.Speaker: Mr. Akshay Katre (Universite de Geneve (CH)) 
17:30
Searches for longlived particles at CMS 20m
Many extensions of the standard model including SUSY predict new particles with long lifetimes, such that the position of their decay is measurably displaced from their production vertex. We present recent results of searches for exotic longlived particles obtained using data recorded by the CMS experiment at RunII of the LHC.
Speaker: Malgorzata Kazana (NCBJ Warsaw (PL)) 
17:50
The MoEDAL Experiment at the LHC – A New Experiment at the LHC's Discovery Frontier 20m
MoEDAL is a pioneering experiment designed to search for highly ionizing messengers of new physics such as magnetic monopoles or massive (pseudo)stable charged particles.
Recently MoEDAL released its first results on a search for monopoles, using data collected at 8 TeV, and based on a prototype of the magnetic monopole trapper. The trapper material got analysed with a SQUID at the University of Zurich.
MoEDAL has also collected data with the full detector during the 2015 LHC run, using several monopole detection techniques, and these data are being analysed now. Recent results of MoEDAL and prospects for the upcoming LHC runs will be
discussed.Speakers: Albert De Roeck (CERN) , Albert de Roeck (CERN)

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Event: Conference Dinner Zinc, Federation Square ()
Zinc, Federation Square

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Plenary: Friday session 1 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: George WeiShu Hou (National Taiwan University (TW)) 09:00
 09:30

10:00
Exotic searches at ATLAS and CMS 30mSpeaker: Shahram Rahatlou (Universita e INFN, Roma I (IT))

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Coffee Break 30m Sidney Myer Asia Centre Foyer ()
Sidney Myer Asia Centre Foyer

11:00
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Plenary: Friday session 2 Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 AustraliaConvener: Jack Gunion (University of California Davis (US))
11:00
Belle II Physics and Construction Status 30mSpeaker: Tom Browder (University of Hawaii)

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The 750 GeV anomaly 30mSpeaker: Alessandro Strumia (Nat. Inst. of Chem.Phys. & Biophys. (EE))
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Plenary: SUSY 2017 Announcement Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 Australia 
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Plenary: SUSY 2016 Conclusion Carrillo Gantner Theatre
Carrillo Gantner Theatre
The University of Melbourne
Sidney Myer Asia Centre The University of Melbourne VIC 3010 Australia

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