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10th International Workshop on the CKM Unitarity Triangle

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Physikalisches Institut, Universität Heidelberg
Abideh Jafari (CERN), Admir Greljo (Johannes Gutenberg-Universität Mainz), Bernd Kristof Mumme (Ruprecht Karls Universitaet Heidelberg (DE)), David Gerick (Ruprecht Karls Universitaet Heidelberg (DE)), Dominik Stefan Mitzel (Ruprecht Karls Universitaet Heidelberg (DE)), Florian Urs Bernlochner (KIT), Fu-Sheng Yu, Jascha Peter Grabowski (Ruprecht Karls Universitaet Heidelberg (DE)), Joerg Marks (Ruprecht Karls Universitaet Heidelberg (DE)), Karim Massri (CERN), Keri Vos (Siegen University), Marian Stahl (Ruprecht Karls Universitaet Heidelberg (DE)), Martin Bauer (Heidelberg University), Martin Sevior (University of Melbourne (AU)), Matthieu Kecke (Ruprecht Karls Universitaet Heidelberg (DE)), Michel De Cian (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Mirco Dorigo (CERN), Nicola Anne Skidmore (Ruprecht Karls Universitaet Heidelberg (DE)), Patrick Haworth Owen (Universitaet Zuerich (CH)), Philippe D'Argent (Ruprecht Karls Universitaet Heidelberg (DE)), Rainer Wanke (Universität Mainz), Sebastian Neubert (Ruprecht Karls Universitaet Heidelberg (DE)), Sebastien Descotes-Genon (Laboratoire de Physique Théorique d'Orsay), Sevda Esen (Nikhef National institute for subatomic physics (NL)), Simon Benedikt Stemmle (Ruprecht Karls Universitaet Heidelberg (DE)), Stefano Perazzini (CERN (CH)), Stephanie Hansmann-Menzemer (Ruprecht Karls Universitaet Heidelberg (DE)), Tanmoy Bhattacharya (T-2), Ulrich Nierste (KIT), Ulrich Schmidt (Heidelberg), Ulrich Uwer (Ruprecht Karls Universitaet Heidelberg (DE))
Description

For detailed information on the 10th International Workshop on the CKM Unitarity Triangle see

https://ckm2018.physi.uni-heidelberg.de
 

  • Monday 17 September
    • 08:30 → 10:15
      Registration (conference secretariat, INF 226 ground floor) 1h 45m
    • 10:15 → 13:00
      Plenary: Meeting room 2, INF 227, HS1, ground floor
      Convener: Ulrich Uwer (Ruprecht Karls Universitaet Heidelberg (DE))
    • 13:00 → 14:15
      Lunch (hallways INF 226/227, ground floor, institute garden) 1h 15m
    • 13:15 → 14:00
      Meeting of Conveners: Meeting room 4, INF 226, 1st floor
    • 14:20 → 16:05
      Plenary: Meeting room 2, INF 227, HS1, ground floor
      Convener: Ulrich Nierste (KIT)
    • 16:00 → 16:30
      Coffee Break (hallways INF 226/227, ground floor, institute garden) 30m
    • 16:30 → 18:25
      WG3: Rare B, D and K decays, radiative and electroweak penguin decays, including constraints on Vtd/Vts and epsilon'/epsilon: b -> sll (Meeting room 2, HS1, INF 227, ground floor)
      Conveners: Karim Massri (CERN), Michel De Cian (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Sebastien Descotes-Genon (Laboratoire de Physique Théorique d'Orsay)
    • 16:30 → 18:15
      WG5: Direct CP violation (DCPV) including phi_3/gamma from B->DK, DCPV effects, branching fractions and polarisation in charmless B(s) decays: Meeting room 6, INF 227, 3rd floor
    • 16:30 → 18:15
      WG6: High-pT flavor physics: H f’f decays, single top production, direct measurement of Vtd, Vts, Vtb, rare top decays, CPV at high p_T: Flavor in Higgs Physics (Meeting room 5, INF 227, 1st floor)
    • 19:00 → 23:00
      Welcome Reception / BBQ (hallways, INF 226/227 ground floor, institute garden) 4h
  • Tuesday 18 September
    • 08:30 → 09:00
      Registration (conference secretariat, INF 226 ground floor) 30m
    • 09:00 → 10:45
      WG2: Vub, Vcb and semileptonic/leptonic b decays including tau: Meeting room 5, INF 227, 1st floor
    • 09:00 → 10:45
      WG4: Mixing and mixing-related CP violation in B system: Delta m, Delta Gamma, phi_s, phi_1/beta, phi_2/alpha, phi_3/gamma: Meeting room 1, INF 226, ground floor
      Conveners: Alexander Lenz (IPPP, Durham), Sevda Esen (Nikhef National institute for subatomic physics (NL))
    • 09:00 → 10:45
      WG7: Mixing and CP violation in the D system: x_D, y_D, |q/p|_D, phi_D, DCPV in D decays: Meeting room 6, INF 227, 3rd floor
    • 10:45 → 11:15
      Coffee Break (hallways INF 226/227, ground floor, institute garden) 30m
    • 11:15 → 13:00
      WG1: Vud, Vus, Vcd, Vcs and semileptonic/leptonic D decays: Meeting room 6, INF 227, 3rd floor
    • 11:15 → 13:00
      WG3: Rare B, D and K decays, radiative and electroweak penguin decays, including constraints on Vtd/Vts and epsilon'/epsilon: Rare D decays (Meeting room 2, HS1, INF 227, ground floor)
      Conveners: Karim Massri (CERN), Michel De Cian (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Sebastien Descotes-Genon (Laboratoire de Physique Théorique d'Orsay)
      • 11:15
        Radiative charm decays and BSM physics 25m
        Speaker: S Fajfer (Univ. of Ljubljana and Inst. J. Stefan)
        Abstract-Fajfer-CKM.pdf
        Fajfer-CKM-charm-18N.pdf
      • 11:40
        Study of D->PPll 25m
        Speaker: Oscar Catà
        CKM18_Cata.pdf

        Abstract: I will discuss how one can estimate the (dominant) resonant contributions to these family of rare decays and how this compares with the first experimental results recently published by LHCb and BaBar. I will also briefly comment on the potential for new physics searches in these decay modes.

      • 12:05
        D decays at BES III 25m
        Speaker: Peter Weidenkaff (Mainz University)
        abstract.pdf
        BESIII-CKM2018-WG3 - Backup.pdf
        BESIII-CKM2018-WG3.pptx

        The study of mesons and baryons which contain at least one charm quark is referred to as open charm physics. It offers the possibility to study up-type quark transitions. Since the q ̧uark can not be treated in any mass limit, theoretical predictions are difficult and experimental input is crucial. BESIII collected large data samples of e+e− collisions at several charm thresholds. The at-threshold decay topology offers special opportunities to study open charm decays.

        We present a selection of recent BESIII results: The measurement of the branching fraction D+s → pn,  the observation of the decay D->a0(980)0 e+ nu_e, the search for the semi-leptonic decay D+->D0 e+ nu_e and the search for rare decays D → h(h′)e+e−.

      • 12:30
        D decays at LHCb 25m
        Speaker: Chris Burr (University of Manchester (GB))
        chris-burr_2018_CKM_D-decays-at-LHCb.pdf
    • 11:15 → 13:00
      WG5: Direct CP violation (DCPV) including phi_3/gamma from B->DK, DCPV effects, branching fractions and polarisation in charmless B(s) decays: Meeting room 5, INF 227, 1st floor
    • 13:00 → 14:15
      Lunch (hallways INF 226/227, ground floor, institute garden) 1h 15m
    • 14:15 → 15:50
      WG1: Vud, Vus, Vcd, Vcs and semileptonic/leptonic D decays: Meeting room 6, INF 227, 3rd floor
    • 14:15 → 16:00
      WG2: Vub, Vcb and semileptonic/leptonic b decays including tau: Meeting room 3, HS2, INF 227, ground floor
      • 14:15
        Review of exclusive semileptonic B meson decays from lattice QCD 30m
        Speaker: Christopher Monahan
        abstract_CKM.txt
        cjmonahan_ckm2018.pdf
      • 14:50
        Exclusive semileptonic baryonic b decays from lattice QCD 20m
        Speaker: Prof. Stefan Meinel (University of Arizona / RIKEN BNL Research Center)
        abstract.txt
        CKM2018_Meinel.pdf
      • 15:15
        Semileptonic Lb->Lc(*) decays (LHCb) 20m
        Speaker: Marcello Rotondo (INFN e Laboratori Nazionali di Frascati (IT))
        abstract.txt
        rotondo_ckm2018.pdf
      • 15:35
        An unified resolution to B anomalies with lepton mixing 20m
        Speaker: Rusa Mandal (IFIC University of Valencia)
        Abs_Rusa.txt
        CKM18_rusa.pdf
    • 14:15 → 16:00
      WG4: Mixing and mixing-related CP violation in B system: Delta m, Delta Gamma, phi_s, phi_1/beta, phi_2/alpha, phi_3/gamma: Meeting room 1, INF 226, ground floor
      Conveners: Alexander Lenz (IPPP, Durham), Sevda Esen (Nikhef National institute for subatomic physics (NL))
      • 14:15
        DGamma and Lifetime measurements at CMS 30m
        Speaker: Chandiprasad Kar (National Institute of Science Education and Research (IN))
        abstractckm2018.txt
        CKM2018_BLifeitme.pdf
      • 14:45
        DGamma Perturbative: NNLO 25m
        Speaker: Ulrich Nierste (KIT)
        nierste_ckm2018.pdf
      • 15:10
        DGamma Non-perturbative parameter lattice 25m
        Speaker: Matthew Wingate (University of Cambridge)
        wingate_ckm2018.pdf
      • 15:35
        DeltaGamma Non-perturbative parameter sum rules 25m
        Speaker: Thomas Rauh (TU Munich)
        abstract
        Rauh_CKM18.pdf
    • 16:00 → 16:30
      Coffee Break (hallways INF 226/227, ground floor, institute garden) 30m
    • 16:30 → 18:15
      WG5: Direct CP violation (DCPV) including phi_3/gamma from B->DK, DCPV effects, branching fractions and polarisation in charmless B(s) decays: Meeting room 1, INF 226, ground floor
      • 16:30
        Dalitz analyses of B→ 3h from LHCb 25m
        Speakers: Alberto Correa Dos Reis (CBPF - Brazilian Center for Physics Research (BR)), Alberto Correa Dos Reis (CBPF - Centro Brasileiro de Pesquisas Fisicas (CBPF))
        b2hhh-abstract.pdf
        LHCb-B2hhh.pdf
      • 16:55
        Charm Penguin rescattering as a new CP violation mechanism in B-> KKK 25m
        Speaker: Patricia Magalhaes
        CKM2018_CharmPenguins.pdf
      • 17:20
        Dalitz plot analyses of B -> KS h+ h- decays 25m
        Speaker: Eli Ben Haim (Centre National de la Recherche Scientifique (FR))
        abstract.txt
        benhaim_CKM_180918.pdf
      • 17:45
        Discussion session on amplitude analysis in multibody decays 25m
    • 16:30 → 18:15
      WG6: High-pT flavor physics: H f’f decays, single top production, direct measurement of Vtd, Vts, Vtb, rare top decays, CPV at high p_T: Flavor in Top Physics (Meeting room 6, INF 227, 3rd floor)
    • 16:30 → 19:50
      WG7: Mixing and CP violation in the D system: x_D, y_D, |q/p|_D, phi_D, DCPV in D decays: Meeting room 5, INF 227, 1st floor
      • 16:30
        New approaches to exclusive predictions for D-Dbar mixing 20m
        Speaker: Alexey Petrov (Wayne State University)
        CKM2018.pdf
      • 16:55
        Status and prospects of D mixing and CPV at Threshold (BESIII) 20m
        Speaker: Peter Weidenkaff (Mainz University)
        abstract.pdf
        BESIII-CKM2018-WG7 - Backup.pptx
        BESIII-CKM2018-WG7.pdf

        The study of mesons and baryons which contain at least one charm quark is referred to as open charm physics. It offers the possibility to study up-type quark transitions. Since the q ̧uark can not be treated in any mass limit, theoretical predictions are difficult and experimental input is crucial. BESIII collected large data samples of e+e− collisions at several charm thresholds. The at-threshold decay topology offers special opportunities to study open charm decays.

        In particlular, the model independent measurement of the strong phase between D0 and D0bar is unique to this production process. Furthermore, a search for direct CPV and the measurement of y_CP is presented.

      • 17:20
        Optimised strategy for direct CPV in charm decays: circa 2018 20m
        Speaker: AMARJIT Soni (BNL)
        final 4 CKM2018.pdf
      • 17:45
        Measurement of direct CPV in charm decays at LHCb 20m
        Speaker: Federico Betti (Universita e INFN, Bologna (IT))
        betti_federico_CKM_2018_abstract.txt
        betti_federico_CKM_2018_v4.pdf
      • 18:10
        Prospects of direct CPV in charm decays at Belle II 20m
        Speakers: Giulia Casarosa (INFN - National Institute for Nuclear Physics), Giulia Casarosa (Universita di Pisa & INFN (IT))
        B2directCPVCharmCKM2018_casarosa.pdf
    • 18:15 → 20:15
      HFLAV Group Meeting: Meeting room 4, INF 226, 1st floor
  • Wednesday 19 September
    • 08:30 → 09:00
      Registration (conference secretariat, INF 226 ground floor) 30m
    • 09:00 → 10:45
      WG2: Vub, Vcb and semileptonic/leptonic b decays including tau: Meeting room 3, HS2, INF 227, ground floor
      • 09:00
        Review of |Vub| and |Vcb| measurements at the B-factories 40m
        Speaker: Christoph Schwanda (Austrian Academy of Sciences (AT))
        abstract.txt
        vubvcb_schwanda.pdf
      • 09:45
        |Vcb| determination from inclusive semileptonic decays 25m
        Speaker: paolo gambino (università di torino)
        GambinoCKM.pdf
      • 10:15
        New idea for calculating inclusive semileptonic decays on the lattice 25m
        Speaker: Shoji Hashimoto (KEK)
        inclusive_CKM.pdf
    • 09:00 → 10:45
      WG3: Rare B, D and K decays, radiative and electroweak penguin decays, including constraints on Vtd/Vts and epsilon'/epsilon: Meeting room 2, HS1, INF 227, ground floor
      Conveners: Karim Massri (CERN), Michel De Cian (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Sebastien Descotes-Genon (Laboratoire de Physique Théorique d'Orsay)
    • 09:00 → 10:45
      WG4: Mixing and mixing-related CP violation in B system: Delta m, Delta Gamma, phi_s, phi_1/beta, phi_2/alpha, phi_3/gamma: Meeting room 1, INF 226, ground floor
      Conveners: Alexander Lenz (IPPP, Durham), Sevda Esen (Nikhef National institute for subatomic physics (NL))
    • 10:45 → 11:15
      Coffee Break (hallways INF 226/227, ground floor, institute garden) 30m
    • 11:15 → 13:00
      WG2: Vub, Vcb and semileptonic/leptonic b decays including tau: Meeting room 3, HS2, INF 227, ground floor
    • 11:15 → 13:00
      WG4: Mixing and mixing-related CP violation in B system: Delta m, Delta Gamma, phi_s, phi_1/beta, phi_2/alpha, phi_3/gamma: Meeting room 1, INF 226, ground floor
      Conveners: Alexander Lenz (IPPP, Durham), Sevda Esen (Nikhef National institute for subatomic physics (NL))
    • 11:15 → 13:00
      WG6: High-pT flavor physics: H f’f decays, single top production, direct measurement of Vtd, Vts, Vtb, rare top decays, CPV at high p_T: Semi-leptonic B-decays & high-pT searches (Meeting room 6, INF 227, 3rd floor)
      • 11:15
        New mass scale behind the B-anomalies 20m
        Speakers: Marco Nardecchia, Marco Nardecchia (CERN)
        Nardecchia_CKM2018.pdf
      • 11:35
        Rare B-decays and High-pT dilepton tails 20m
        Speaker: David Marzocca (INFN Trieste)
        B_dimuon_tails.pdf
      • 11:55
        Semi-Tauonic B-decays and Di-Tau at high-pT 20m
        Speakers: Darius Faroughy (Jozef Stefan Institute), Darius Faroughy
        Faroughy_CKM_2018.pdf
      • 12:15
        B-anomalies: The physics case for future colliders 20m

        We examine simplified models for explaining RK(*) and related measurements. At tree-level, one has the option of leptoquarks or Z's with flavour dependent couplings. One can search for either at hadron colliders, and, focussing on the Z' explanation, we show that the prospects for future searches are good, especially if the energy of the collisions is increased. We give a simple example (The Third Family Hypercharge Model) that predicts a Z' with the right couplings to explain RK(*). The model explains the hierarchical heaviness of the third family and the smallness of CKM mixing. Such models raise the exciting prospect of a direct experimental probe of physics pertinent to the fermion masses and mixings problem.

        Speaker: Benjamin Allanach (University of Cambridge (GB))
        ckm.pdf
      • 12:35
        Z’ & Contact interactions searches at the LHC: Experiment overview 25m
        Speaker: Etienne Dreyer (Simon Fraser University (CA))
        abstract.txt
        dreyer_ZpCIatLHC_CKM2018.pdf
    • 13:00 → 14:15
      Lunch (hallways INF 226/227, ground floor, institute garden) 1h 15m
    • 14:15 → 18:00
      Excursion 3h 45m
  • Thursday 20 September
    • 08:30 → 09:00
      Registration (conference secretariat, INF 226 ground floor) 30m
    • 09:00 → 10:45
      WG1: Vud, Vus, Vcd, Vcs and semileptonic/leptonic D decays: Meeting room 6, INF 227, 3rd floor
    • 09:00 → 10:45
      WG5: Direct CP violation (DCPV) including phi_3/gamma from B->DK, DCPV effects, branching fractions and polarisation in charmless B(s) decays: Meeting room 5, INF 227, 1st floor
    • 09:00 → 10:45
      WG7: Mixing and CP violation in the D system: x_D, y_D, |q/p|_D, phi_D, DCPV in D decays: Meeting room 1, INF 226, ground floor
    • 10:45 → 11:15
      Coffee Break (hallways INF 226/227, ground floor, institute garden) 30m
    • 11:15 → 13:00
      Joint WG4 / WG5 Session: Meeting room 3, INF 227, HS2, ground floor
    • 11:15 → 13:10
      WG3: Rare B, D and K decays, radiative and electroweak penguin decays, including constraints on Vtd/Vts and epsilon'/epsilon: Meeting room 2, INF 227, HS1, ground floor
      Conveners: Karim Massri (CERN), Michel De Cian (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Sebastien Descotes-Genon (Laboratoire de Physique Théorique d'Orsay)
    • 13:00 → 14:15
      Lunch (hallways INF 226/227, ground floor, institute garden) 1h 15m
    • 13:00 → 14:00
      Meeting of Standing Committee (Meeting room 4, INF 226, 1st floor)
    • 14:15 → 16:00
      Joint WG1 / WG2 Session: Parallel with Lattice (Meeting room 2, HS1, INF 227, ground floor)
    • 14:15 → 16:00
      WG6: High-pT flavor physics: H f’f decays, single top production, direct measurement of Vtd, Vts, Vtb, rare top decays, CPV at high p_T: LQ in flavour and at high-pT (Meeting room 6, INF 227, 3rd floor)
      • 14:15
        The leptoquark Hunter’s guide: Pair production 20m

        Leptoquarks occur in many new physics scenarios and could be the next big discovery at the LHC. I will discuss a model-independent search strategy covering all possible leptoquarks is possible and has not yet been fully exploited. To be systematic we organize the possible leptoquark final states according to a leptoquark matrix with entries corresponding to nine experimentally distinguishable leptoquark decays: any of {light-jet, b-jet, top} with any of {neutrino, e/μ, τ}. The 9 possibilities can be explored in a largely model-independent fashion with pair-production of leptoquarks at the LHC. I will review the status of experimental searches for the 9 components of the leptoquark matrix. Based on current limits, I will derive bounds on a complete set of Minimal Leptoquark models which span all possible flavor and gauge representations for scalar and vector leptoquarks.

        Speaker: Yi-Ming Zhong
        Yiming-Zhong-CKM.pdf
      • 14:35
        Leptoquark toolbox for precision collider studies 20m

        I will introduce a toolbox for precision collider studies of the leptoquark production mechanisms in the proton-proton collisions. The study I plan to present was prompted by the need for an up-to-date Monte Carlo event generator output that could be used for the current and future experimental searches and search recasts. I will, accordingly, report the NLO QCD inclusive cross sections in proton-proton collisions at various center-of-mass energies for all on-shell leptoquark production processes and, in view of these results, discuss the leptoquark search strategy.

        Speaker: Ilja Doršner
        HEIDELBERG2018_ID.pdf
      • 14:55
        Flavorful leptoquarks at hadron colliders 20m
        Speaker: Ivan Nišandžić
        Nisandzic-CKM2018.pdf
      • 15:15
        Leptoquarks at the LHC: Beyond the Lepton-Quark Final State 20m
        Speaker: Arvind Rajaraman
        ckmRajaraman.pdf
      • 15:35
        Leptoquark searches at the LHC: Experiment overview 25m

        An experimental overview of direct searches for leptoquarks at the LHC is presented. Results are shown for single and pair-production, including the first search to include generation mixing between the lepton and quark, and a synthesis of all current LHC searches is made. Results are put into the context of the b-flavor anomalies seen at LHCb, Belle, and Babar, stressing the possibilities for future searches which shed the assumptions of previous searches.

        Speaker: David Michael Morse (Northeastern University (US))
        Morse_David_CKM_LQ_ExperimentalOverview.pdf
    • 16:00 → 16:30
      Coffee Break (hallways INF 226/227, ground floor, institute garden) 30m
    • 16:30 → 18:15
      Joint WG2 / WG3 Session: Meeting room 2, HS1, INF 227, ground floor
      • 16:30
        LFU tests with semitauonic decays at LHCb 25m
        Speaker: Adam Morris (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)
        abstract.txt
        LFU_semitau_B_LHCb.pdf
      • 16:55
        b->sll LFU measurements at LHCb 25m
        Speaker: Vitalii Lisovskyi (Centre National de la Recherche Scientifique (FR))
        abs_CKM_VL.rtf
        CKM_VL_v3.pdf
      • 17:20
        BSM physics and lepton flavor nonuniversality in semileptonic b decays 25m
        Speaker: Dr Olcyr Sumensari (INFN Padova)
        abstract-sumensari.txt
        Sumensari-CKM-18.pdf
      • 17:45
        New directions in B-anomalies model building 25m

        Coherent new physics picture of B-anomalies (both) in charged and neutral current transitions, is a rather challenging task. I will review two directions which recently triggered some activity in the literature and are centered around (i) the Pati-Salam vector leptoquark, and (ii) the light sterile neutrino.

        Speaker: Admir Greljo (Johannes Gutenberg-Universität Mainz)
        CKM-2018-greljo.pdf
    • 19:30 → 22:30
      Workshop Dinner at Heidelberg Castle 3h
  • Friday 21 September
    • 08:30 → 09:00
      Registration (conference secretariat, INF 226 ground floor) 30m
    • 09:00 → 10:45
      Plenary: Beyond the SM (Meeting room 2, INF 227, HS1, ground floor)
      Convener: Martin Bauer (Heidelberg University)
    • 10:45 → 11:15
      Coffee Break (hallways INF 226/227, ground floor, institute garden) 30m
    • 11:15 → 13:45
      Plenary: WG summaries (Meeting room 2, INF 227, HS1, ground floor)
      Convener: Joerg Marks (Ruprecht Karls Universitaet Heidelberg (DE))
    • 13:45 → 15:00
      Lunch (hallways INF 226/227, ground floor, institute garden) 1h 15m
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