RADCOR-LoopFest 2021

17 May 2021, 08:00 → 21 May 2021, 16:30 US/Eastern

Florida State University, Virtual Conference

Fernando Febres Cordero (Florida State University), Manfred Kraus (Florida State University), Laura Reina (Florida State University (US))

The conference is the joint edition of the 15th International Symposium on Radiative Corrections (RADCOR) and the XIX Workshop on Radiative Corrections for the LHC and Future Colliders (LoopFest). It is dedicated to the application of quantum field theory techniques to particle physics phenomenology, and will span five days of plenary and parallel talks.

 

The conference will cover subjects on precision calculations for colliders; progress in higher-loop and higher-multiplicity calculations in the Standard Model; cross sections for new physics; new techniques for calculations; advances in computer-algebra methods; and new theoretical developments.

 

Due to the ongoing pandemic, and in order to mitigate difficulties with global travel restrictions, the conference will take a fully virtual format.

The Zoom Meeting ID is: 955 5748 0114 and works only for registered participants who have gone through the corresponding Zoom meeting registration. To connect you will need to have Zoom version 5.6.3 or newer. Please check if updates to your Zoom client are available.

RADCOR & LoopFest 2021 - Poster

Monday, 17 May

08:00 → 09:55 Monday Plenary I

Conveners: Fernando Febres Cordero (Florida State University), Laura Reina (Florida State University (US)), Manfred Kraus (Florida State University)

08:00 Welcome

Speaker: The Organizers (FSU)

RadcorLoopfest21-Introduction.pdf

08:15 Physics at the Precision Frontier: Then, Now, and Tomorrow

Speaker: Harrison B. Prosper (FSU)

PhysicsPrecisionFrontier2021.pdf

PhysicsPrecisionFrontier2021.pptx

Recording

09:00 New frontiers in the determination of PDFs at the LHC

Speaker: Maria Ubiali

Recording

Ubiali_RADCOR21_17.05.pdf

09:30 The interplay between the muon (g-2) and EW precision fits

Speaker: Massimo Passera (INFN Padova)

Passera_17052021.pdf

Recording

10:00 → 10:25 Break

10:30 → 12:25 Monday Plenary II

Convener: Sally Dawson (BNL)

10:30 Two-Loop renormalization of QCD operators and Higgs EFT amplitudes

Speaker: Prof. Gang Yang (Institute of Theoretical Physics, CAS)

QCDHiggs_GangYang.pdf

Recording

11:00 Double Virtual Contributions for Massless 2→3 Scattering in NNLO QCD

Speaker: Dr Vasily Sotnikov (Max Planck Institute for Physics)

Recording

sotnikov_RADCOR-LoopFest_2021.pdf

11:30 Mixed QCD-EW corrections to W- and Z-boson production and their impact on the W-mass measurement

Speaker: Arnd Behring (Karlsruhe Institute of Technology (KIT))

radcor2021-talk.pdf

Recording

12:00 Single-top-quark production in the t-channel at NNLO

Speaker: Tobias Neumann (Brookhaven National Laboratory)

Neumann_Tobias_LoopFest2021.pdf

Recording

12:30 → 12:40 Virtual Picture Session

12:45 → 14:25 Meal Break

14:30 → 16:25 Monday Parallel III.A

Convener: Ben Page (CERN)

14:30 Multiscale pentagon integrals to all orders

Speaker: Nikolaos Syrrakos (NCSR DEMOKRITOS)

Radcor2021_Syrrakos.pdf

Recording

15:00 The tropical approach to numerical Feynman integration

Speaker: Michael Borinsky (Nikhef)

michael_borinsky_radcor2021.pdf

Recording

15:30 The diagrammatic coaction and cuts of the double box

Speaker: Aris Ioannou (The University of Edinburgh)

RADCORPresentation.pdf

Recording

16:00 On the evaluation of two-loop electroweak box diagrams for e+ e- to HZ production

Speaker: Qian Song (University of Pittsburgh)

LoopFest.pdf

Recording

14:30 → 16:25 Monday Parallel III.B

Convener: Andreas von Manteuffel (Michigan State University)

14:30 Background Field Method and Generalized Field Redefinitions in Effective Field Theories

Speaker: Andrea Quadri (INFN, Sez. di Milano)

RADCOR21.pdf

Recording

15:00 Scale Evolution of the SMEFT dipole operators in the presence of an ALP

Speaker: Anne Galda (Johannes Gutenberg-University Mainz)

RadcorLoopFest_AnneGalda.pdf

Recording

15:30 Renormalization of the flavor-singlet axial-vector current and its anomaly at N^3LO in QCD

Speakers: Long Chen (RWTH Aachen University), Mr Long Chen (Max Planck Institute for Physics)

Chen_Talk.pdf

Recording

16:00 Operator mixing in massless QCD-like theories and Poincare’-Dulac theorem

Speaker: Matteo Becchetti (University of Torino)

Becchetti_Talk.pdf

Recording

Tuesday, 18 May

08:00 → 09:55 Tuesday Parallel I.A

Convener: S. Moch (UHH)

08:00 3 Loop heavy flavor corrections to DIS Structure Functions

Speaker: Prof. Johannes Bluemlein (DESY)

Recording

talk.pdf

08:30 The kinetic mass of heavy quarks to three loops

Speaker: Dr Matteo Fael (University of Siegen)

Fael_RADCOR.pdf

Recording

09:00 MSbar-onshell quark mass relation with two mass scales

Speaker: Matthias Steinhauser (KIT)

Recording

steinhauser_radcor21.pdf

09:30 New Results on Pions and Muons

Speaker: Andrzej Czarnecki

Czarnecki-Radcor.pdf

Recording

08:00 → 09:55 Tuesday Parallel I.B

Convener: Mao Zeng (ETH Zürich)

08:00 Mixed QCD × QED corrections to Drell-Yan and Higgs boson productions beyond SV at N^3LO

Speaker: Aparna Sankar (IMSc, Chennai)

RADCOR.pdf

Recording

08:30 Power corrections to event shapes using eikonal dressed gluon exponentiation

Speaker: Sourav Pal (IIT Hyderabad, India)

Radcor-2021-Sourav.pdf

Recording

09:00 The role of NLP threshold corrections in dQCD and SCET

Speaker: Melissa van Beekveld

radcor_mei2021_MvBeekveld.pdf

Recording

09:30 On the difference between the FOPT and CIPT approach for the hadronic tau decay rate

Speaker: Andre Hoang (University of Vienna)

Hoang-Tau-Borel.pdf

Recording

10:00 → 10:25 Break

10:30 → 12:25 Tuesday Parallel II.A

Convener: Gudrun Heinrich (KIT)

10:30 (Semi-)automated numerical computation of multiloop Feynman integrals from differential equations

Speaker: Martijn Hidding (Uppsala University)

RADCORLoopFestSlides.pdf

11:00 Two-Loop Integrals for Five-Point One-Mass Scattering

Speaker: Ben Page (CERN)

Radcor2021Page.pdf

Recording

11:30 Analytic representation of all planar two-loop five-point Master Integrals with one off-shell leg

Speaker: Konstantinos Papadopoulos (Nat. Cent. for Sci. Res. Demokritos (GR))

papadopoulos-radcor-loopfest-2021.pdf

Recording

12:00 Evaluating planar master integrals for Bhabha scattering

Speaker: Vladimir Smirnov (Moscow State University)

RADCOR-LoopFest_21_smirnov.pdf

Recording

10:30 → 12:25 Tuesday Parallel II.B

Convener: Laura Reina (Florida State University (US))

10:30 On the universality of the KRK factorization scheme and improved Catani-Seymour scheme

Speaker: Staszek Jadach (Polish Academy of Sciences (PL))

2021-radcor-jadach.pdf

Recording

11:00 New Developments in KKMC-hh: Quark-Level Exponentiated Radiative Corrections and Semi-analytical Results

Speaker: Scott Alan Yost (The Citadel - The Military College of South Carolina (US))

Radcor2021-yost.pdf

Radcor2021-yost.pptx

Recording

11:30 NNLO Photon Fragmentation within Antenna Subtraction

Speaker: Robin Schuermann (University of Zurich)

Recording

schuermann_talk.pdf

12:00 Fully differential photon production at LHC with N3LO QCD corrections

Speaker: Xuan Chen (University of Zurich)

RADCOR2021XuanChen.pdf

Recording

12:30 → 14:25 Meal Break

12:30 → 14:00 RADCOR IAB Meeting

14:30 → 16:25 Tuesday Parallel III.A

Convener: Zvi Bern (University of California Los Angeles (US))

14:30 NNLO QCD predictions for W+c-jet production at the LHC

Speaker: Mathieu Pellen (University of Freiburg)

PELLEN_Radcor_2021.pdf

Recording

15:00 Bottom-quark hadroproduction in NNLO QCD

Speaker: Simone Devoto (UNIMI)

DevotoSimone_Loopfest&Radcor.pdf

Recording

15:30 Predictions for Z boson production in association with a b-jet at alpha_s^3

Speaker: Rhorry Gauld (Nikhef)

Radcor_LF_2021.pdf

Recording

16:00 NNLO corrections to bottom-induced Higgs plus jet production

Speaker: Ciaran Williams (SUNY Buffalo)

Radcor2021_williams.pdf

Recording

14:30 → 16:25 Tuesday Parallel III.B

Convener: Konstantinos Papadopoulos (Nat. Cent. for Sci. Res. Demokritos (GR))

14:30 Towards NNLO corrections to muon-electron scattering

Speaker: Syed Mehedi Hasan (INFN Sezione di Pavia)

Loopfest_2021_Syed_v3.pdf

Recording

15:00 Top quark mass corrections to single and double Higgs boson production in gluon fusion

Speaker: Joshua Davies

davies-radcor-loopfest-2021.pdf

Recording

15:30 Some Leading Fermionic Three-Loop Corrections to Electroweak Precision Observables

Speaker: Lisong Chen

Leading Fermionic Three-Loop Corrections to EWPOs (3).pdf

Recording

16:00 Light Quark Mediated Higgs Boson Threshold Production in the Next-to-Leading Logarithmic Approximation

Speaker: Alexander Penin (University of Alberta)

radcor21.pdf

Recording

Wednesday, 19 May

08:00 → 09:55 Wednesday Parallel I.A

Convener: Ayres Freitas (University of Pittsburgh)

08:00 Top quark contribution to two-loop helicity amplitudes for W/Z boson pair production in gluon fusion

Speaker: Chen-Yu Wang (TTP, KIT)

radcor2021.pdf

Recording

08:30 Gluon-induced ZZ and ZH productionat NLO

Speaker: Go Mishima

mishima-RADCOR-Loopfest2021.pdf

Recording

09:00 2-loop helicity amplitudes for gg->ZZ with full top mass dependence

Speaker: Bakul Agarwal (Michigan State University)

BA_Radcor-LoopFest-2021.pdf

Recording

09:30 A pitfall in applying a non-anticommuting gamma_5 in qqbar to Z+Higgs amplitudes

Speaker: Dr Taushif Ahmed (University of Torino)

radcor2021_taushif.pdf

Recording

08:00 → 09:55 Wednesday Parallel I.B

Convener: Aude Gehrmann-De Ridder (ETH, Zurich)

08:00 2-loop anti-kT jet function

Speaker: Hao-yu Liu (Beijing Normal University)

2-loop anti-kT jet function.pdf

Recording

08:30 Resumming next to leading power threshold corrections in QCD

Speaker: Pooja Mukherjee (The Institute of Mathematical Sciences, India)

RADCOR-POOJA.pdf

Recording

09:00 A consistent framework for the regularization of chiral theories in 4D: a two-loop study

Speaker: Adriano Cherchiglia (Universidade Federal do ABC)

radcor2021_cherchiglia.pdf

Recording

09:30 Electric charge renormalization to all orders

Speaker: Stefan Dittmaier (Albert Ludwigs Universitaet Freiburg (DE))

chargeren-loopfest21.pdf

Recording

10:00 → 10:25 Break

10:30 → 12:25 Wednesday Parallel II.A

Convener: Ciaran Williams (SUNY Buffalo)

10:30 Two-loop QCD corrections to Wbb production at hadron colliders

Speaker: Heribertus Bayu Hartanto (Cambridge University)

Bayu_LoopFest2021.pdf

Recording

11:00 Two-loop helicity amplitudes for diphoton plus jet production in full color

Speaker: Federico Buccioni (University of Oxford)

buccioni_radcor_2021.pdf

Recording

11:30 Two-loop QCD helicity amplitudes for 2->3 processes

Speaker: Herschel Chawdhry (University of Oxford)

radcor_loopfest_2021_05_19_CHAWDHRY.pdf

Recording

12:00 NNLO EWxQCD corrections to on-shell Z production

Speaker: Dr Narayan Rana (INFN Milan)

Rana_RADCOR21.pdf

Recording

10:30 → 12:25 Wednesday Parallel II.B

Convener: Samuel Abreu (CERN)

10:30 Geometry and causality for efficient multiloop representations

Speaker: German Sborlini (Università di Milano, INFN Milano and IFIC-Valencia)

20210519_Geometry and causality for efficient multiloop representations.pdf

Recording

11:00 Causal representation and numerical evaluation of multi-loop Feynman integrals

Speaker: Dr William J. Torres Bobadilla (Max-Planck-Institute for Physics)

Recording

TorresBobadilla_RadCor2021.pdf

11:30 Local Unitarity and Infrared Safety

Speaker: Zeno Capatti (ETH Zurich)

Recording

Zeno_Capatti_RADCOR_Loopfest_2021.pdf

12:00 Numerical integration of one-loop integrals through local cancellation of threshold singularities

Speaker: Dario Kermanschah (ETH Zurich)

radcor_dariokermanschah_pdf.pdf

Recording

12:30 → 14:25 Meal Break

14:30 → 16:25 Wednesday Parallel III.A

Convener: Doreen Wackeroth (SUNY Buffalo)

14:30 Two-loop amplitude generation in OpenLoops

Speaker: Dr Max Zoller (PSI)

Recording

Zoller_RADCOR_LoopFest_2021.pdf

15:00 Expansion by regions with pySecDec

Speaker: Emilio Villa (Karlsruhe Institute of Technology)

Recording

talk.pdf

15:30 Prospects for numerical calculation of massive multi-loop Feynman integrals using Mellin-Barnes representations

Speaker: Ievgen Dubovyk (University of Silesia (PL))

dubovyk_radcor21.pdf

Recording

16:00 Integral Reduction with Kira 2 and Finite Field Methods

Speakers: Johann Usovitsch, Johann Usovitsch

Recording

Usovitsch.pdf

14:30 → 16:25 Wednesday Parallel III.B

Convener: Malgorzata Maria Worek (Rheinisch Westfaelische Tech. Hoch. (DE))

14:30 Precision studies for Drell-Yan processes at NNLO

Speaker: S. Moch (UHH)

radcor21.pdf

Recording

15:00 NLO QCD corrections for off-shell ttbb

Speaker: Michele Lupattelli (RWTH Aachen University)

Lupattelli_RADCOR-LoopFest_2021.pdf

Recording

15:30 NLO electroweak and QCD corrections to off-shell ttW production at the LHC

Speakers: Giovanni Pelliccioli (Würzburg University), Giovanni Pelliccioli (Würzburg University)

gpradcor21.pdf

Recording

16:00 On the QCD modelling of ttW signatures

Speaker: Manfred Kraus (Florida State University)

RADCOR2021_Mkraus.pdf

Recording

Thursday, 20 May

08:00 → 09:55 Thursday Parallel I.A

Convener: Massimiliano Grazzini (Universitaet Zuerich (CH))

08:00 Time-like Transition Form Factor for CP-odd Higgs Boson Production

Speaker: Tsuneo Uematsu

RadcorLoopFest2021-uematsu.pdf

Recording

08:30 ZH production in gluon fusion: NLO corrections with full top quark mass dependence

Speaker: Matthias Kerner (University of Zürich)

RadcorLoopfest21_Kerner_ZH.pdf

Recording

09:00 Full NLO predictions for ZZ scattering and its irreducible background at the LHC

Speaker: Timo Schmidt (University of Wuerzburg)

Recording

talk.pdf

09:30 Calculation of NLO cross sections for opposite-sign WW scattering

Speaker: Robert Franken (JMU Würzburg)

Electroweak_Corrections_for_WpWm_Scattering_radcor2021.pdf

08:00 → 09:55 Thursday Parallel I.B

Convener: David Kosower (IPhT, Saclay)

08:00 The pion-photon transition form factor at two loops

Speaker: Tobias Huber (University of Siegen)

radcor21huber.pdf

Recording

08:30 Third order corrections to the semi-leptonic b->c and the muon decays

Speaker: Kay Schönwald (Karlsruhe Institute of Technology (KIT))

radcor_2021.pdf

Recording

09:00 NNLO QCD corrections to the B-meson mixing

Speaker: Vladyslav Shtabovenko (KIT)

radcor_2021_shtabovenko-bmixing.pdf

Recording

09:30 Radiative corrections in neutrino physics

Speaker: Dr Oleksandr Tomalak (University of Kentucky)

radcor_2021_tomalak_slides.pdf

Recording

10:00 → 10:25 Break

10:30 → 12:25 Thursday Parallel II.A

Convener: Alexander Penin (University of Alberta)

10:30 Nested soft-collinear subtractions for deep inelastic scattering

Speaker: Konstantin Asteriadis (Brookhaven National Laboratory)

asteriadis_konstantin_loopfest2021.pdf

Recording

11:00 Importing perturbative QCD methods into gravitational wave physics

Speaker: Mao Zeng (ETH Zürich)

Recording

slides.pdf

11:30 Feynman integrals for binary systems of black holes

Speaker: Stefan Weinzierl (Universität Mainz)

radcor21.pdf

Recording

12:00 The gravitational potential at fifth order

Speaker: Andreas Maier (DESY)

potential_5PN.pdf

Recording

10:30 → 12:25 Thursday Parallel II.B

Convener: Thomas Kurt Gehrmann (Universitaet Zuerich (CH))

10:30 Higher-order beta functions in the Standard Model and beyond

Speaker: Florian Herren (Fermilab)

radcor_2021_herren.pdf

Recording

11:00 Complete analytic four-loop cusp and collinear anomalous dimensions

Speaker: Robert Schabinger

RadCor2021.pdf

Recording

11:30 The full angle-dependence of the four-loop cusp anomalous dimension in QED

Speaker: Christoph Dlapa (Max Planck Institute for Physics)

radcor_2021_Four_loop_cusp_single.pdf

Recording

12:00 Three-loop soft anomalous dimensions in QCD

Speaker: Nikolaos Kidonakis (Kennesaw State University)

radcor_2021_Kidonakis.pdf

Recording

12:30 → 14:25 Meal Break

14:30 → 16:25 Thursday Parallel III.A

Convener: Tobias Neumann (Brookhaven National Laboratory)

14:30 Mixed QCD-EW corrections to pp to e nue + X at the LHC

Speaker: Luca Buonocore (University of Zurich)

Recording

W_Mixed_Corrections.pdf

15:00 Automation of Beam and Jet functions at NNLO

Speaker: Dr Goutam Das (University of Siegen)

Das_Radcor-LoopFest.pdf

Recording

15:30 The 2-Loop radiative Gluon Jet Function

Speaker: Marvin Schnubel (Johannes Gutenberg-University Mainz)

M.Schnubel_Radcor21_The2LoopRadiativeGluonJetFunction.pdf

Recording

16:00 Subleading power resummation and the divergent endpoint contribution in DIS

Speaker: Robert Szafron (Brookhaven National Laboratory)

Radcor2021.pdf

Recording

14:30 → 16:25 Thursday Parallel III.B

Convener: Doreen Wackeroth (SUNY Buffalo)

14:30 The dimension-shift conjecture

Speaker: Guy Jehu (Trinity College Dublin)

jehu_RadCor-LoopFest_21.pdf

jehu_radcor-loopfest.pptx

Recording

15:00 Applications of the Perturbative Gradient Flow

Speaker: Fabian Lange (KIT)

RADCOR-Loopfest-Lange.pdf

Recording

15:30 A new Wilson line-based classical action for gluodynamics

Speaker: Piotr Kotko (AGH UST)

Kotko_RADCOR2021.pdf

Recording

16:00 The PMC$_\infty$: Infinite-Order Scale-Setting method using the Principle of Maximum Conformality and preserving the Intrinsic Conformality ({\it iCF})

Speaker: Leonardo di Giustino (Insubria University)

LDG-RADCOR-loopfest-2021.pdf

Recording

Friday, 21 May

08:00 → 09:55 Friday Parallel I.A

Convener: Claude Duhr (CERN)

08:00 N3LO calculations for 2 to 2 processes using Simplified Differential Equations

Speaker: Dhimiter Canko (NSCR "Demokritos")

RadCor2021.pdf

Recording

08:30 Di-scalar production in qqbar annihilation at 2 loops in perturbative QCD

Speaker: Surabhi Tiwari (Institute of Mathematical Sciences)

Recording

Surabhi_Radcore2021Slides.pdf

09:00 Decoupage at 5 loops

Speaker: Alessandro Georgoudis (ENS Paris)

radcor_21.pdf

Recording

09:30 Two-loop Rational Terms

Speaker: Hantian Zhang (University of Zurich)

Recording

RT2loop_zhang.pdf

08:00 → 09:55 Friday Parallel I.B

Convener: Matthias Steinhauser (KIT)

08:00 Apply NLP SCET in Higgs amplitudes induced by light quarks

Speaker: Xing Wang

Radcor-LoopFest.pdf

Recording

08:30 Next-to-soft virtual correction to differential cross section at LHC

Speaker: Ajjath A H

RADCOR21.pdf

Recording

09:00 Two-parton scattering in the high-energy limit: climbing two- and three-Reggeon ladders

Speaker: Leonardo Vernazza (INFN, Torino)

RadCor-2021d.pdf

Recording

09:30 Regge limit constraints for the soft anomalous dimension at four loops

Speaker: Niamh Maher (University of Edinburgh)

RADCOR2021.pdf

Recording

10:00 → 10:25 Break

10:30 → 11:55 Friday Parallel II.A

Convener: Stefan Weinzierl (Universität Mainz)

10:30 NNPDF4.0: The Structure of the Proton at 1% Precision

Speaker: Tommaso Giani

nnpdf_radcor.pdf

Recording

11:00 NLO EW corrections for a global PDF fit and PineAPPL

Speaker: Mr Christopher Schwan (Università degli Studi di Milano)

Recording

talk-schwan.pdf

11:30 PDF4LHC21: benchmarking for the LHC

Speaker: Joey Huston (Michigan State University (US))

huston_radcor_may_2021.pdf

Recording

10:30 → 11:55 Friday Parallel II.B

Convener: German Rodrigo (IFIC CSIC-UV)

10:30 Amplitude Evolution beyond Leading Order

Speaker: Simon Platzer (University of Vienna (AT))

Recording

slides-reduced.pdf

11:00 IR-Improved Amplitude-Based Resummation in Quantum Field Theory: New Developments and New Issues

Speaker: Bennie Ward (Baylor University (US))

Recording

ward-lumi-lcws2018-fcceewksp-19-BHEP19-KRK-19-rdcr19-BAYCLG19-smu2-25-20-radcr21a.pdf

12:00 → 12:25 Friday Plenary II

Convener: Manfred Kraus (Florida State University)

12:00 Mixed EW-QCD helicity amplitudes for Drell-Yan lepton pair production

Speaker: Andreas von Manteuffel (Michigan State University)

manteuffel-dy-radcor2021.pdf

Recording

12:30 → 14:25 Meal Break

14:30 → 16:25 Friday Plenary III

Convener: Prof. Michal Wiktor Czakon (Rheinisch Westfaelische Tech. Hoch. (DE))

14:30 Two-loop leading-colour QCD helicity amplitudes for top-quark pair production in the gluon fusion channel

Speaker: Ekta Chaubey (University of Turin)

RADCOR.pdf

Recording

15:00 NNLO QCD predictions for 2 to 3 processes

Speaker: Rene Poncelet (Cambridge University)

Poncelet_RadCor+LoopFest.pdf

Recording

15:30 From cross sections in colliders to gravitational wave observables

Speaker: Julio Parra-Martinez (Caltech)

21-05_RadCor_JParraMartinez.pdf

Recording

16:00 Three-loop amplitudes in massless QCD

Speaker: Lorenzo Tancredi (University of Oxford (GB))

Radcor&Loopfest_2021_Tancredi.pdf

Recording