Name: The 20th Workshop of the LHC Higgs Working Group
Start: 2023-11-13T09:00:00+01:00
End: 2023-11-15T22:30:00+01:00
Location: No location set

The 20th Workshop of the LHC Higgs Working Group

from Monday 13 November 2023 (09:00) to Wednesday 15 November 2023 (22:30)

Monday 13 November 2023
09:00
09:00 - 10:30
Room: 503/1-001 - Council Chamber
Contributions

09:00 Welcome (10') - Katharine Leney (Southern Methodist University (US))

09:10 CP violation in the Higgs couplings and beyond (20'+10') - Henning Bahl

09:40 LHC Higgs Working Group Plans (15'+5') - Gudrun Heinrich (KIT)

10:00 Charting the Higgs self-coupling boundaries (20'+10') - Gauthier Durieux (CP3 - UCLouvain)
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00
11:00 - 12:30
Room: 503/1-001 - Council Chamber
Contributions

11:00 Triple Higgs production: A window on SM and BSM physics (20'+10') (remote) - Benjamin Fuks Tania Natalie Robens (Rudjer Boskovic Institute (HR))

11:30 Monte Carlo harmonisation (20'+10') (remote) - Xiaohu Sun (Peking University (CN))

12:00 Updates from PDF global fits and aN3LO benchmarking (20'+10') (remote) - Maria Ubiali
12:30 Lunch break and ATLAS visits
Lunch break and ATLAS visits
12:30 - 14:00
14:00
14:00 - 15:30
Room: 503/1-001 - Council Chamber
Contributions

14:00 Recent couplings and cross-section measurements from ATLAS and CMS (15'+7', remote) - Kunlin Ran (Deutsches Elektronen-Synchrotron (DE))

14:22 Recent mass, width and CP results from ATLAS and CMS (15'+7', remote) - Filippo Errico (Sapienza Universita e INFN, Roma I (IT))

14:44 BSM interpretations of Higgs measurements (15'+7') - Thomas Biekoetter

15:06 Constraining ALPs with Higgs data via SMEFT (15'+7') - Anke Biekoetter (JGU Mainz)
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 17:30
Room: 503/1-001 - Council Chamber
Contributions

16:00 Extended Higgs Sector Summary - Tania Natalie Robens (Rudjer Boskovic Institute (HR))

16:22 MSSM Working Group Summary - Emanuele Angelo Bagnaschi (CERN/INFN Laboratori Nazionali di Frascati)

16:44 Exotic Higgs Decays Summary - Carlos Vazquez Sierra (Universidade de Santiago de Compostela (ES))

17:06 NMSSM Working Group Summary - Daniel Winterbottom (Imperial College (GB))
Tuesday 14 November 2023
09:00
09:00 - 10:30
Room: 503/1-001 - Council Chamber
Contributions

09:00 ggF status report (20'+10') - Stephen Philip Jones (University of Durham (GB))

09:30 VBF status report (20'+10') - Mathieu Pellen (University of Freiburg)

10:00 ggZH status and prospects (20'+10') - Marco Vitti
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00
11:00 - 12:30
Room: 503/1-001 - Council Chamber
Contributions

11:00 CMS HH experimental overview - Bruno Alves (Centre National de la Recherche Scientifique (FR))

11:15 ATLAS HH experimental overview - Elisabeth Petit (CPPM, Aix-Marseille Université, CNRS/IN2P3 (FR))

11:30 Higgs boson pair production at NLO in the POWHEG approach and the top quark mass uncertainties - Emanuele Angelo Bagnaschi (CERN/INFN Laboratori Nazionali di Frascati)

11:50 Higgs boson production in association with bottom quarks at NLO matched to parton showers - Javier Mazzitelli Javier Mazzitelli (Paul Scherrer Institut (CH))

12:10 NLO EW corrections for di-Higgs production - Kay Schönwald (University of Zuerich)
12:30 Lunch break
Lunch break
12:30 - 14:00
14:00
14:00 - 15:30
Room: 503/1-001 - Council Chamber
Contributions

14:00 ttH/tH status report (20'+10') - Sergio Sanchez Cruz (Universitaet Zuerich (CH))

14:30 Off-shell (20'+10') - Rafael Coelho Lopes De Sa (University of Massachusetts (US))

15:00 ECFA Higgs/Top/Electroweak - overview, status and plans (20'+10') - Karsten Koeneke (Albert Ludwigs Universitaet Freiburg (DE))
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 17:40
Room: 503/1-001 - Council Chamber
Contributions

16:00 Starting the LHC HXS WG - theory perspective - Stefan Dittmaier (Albert Ludwigs Universitaet Freiburg (DE)) Stefan Dittmaier (MPI fuer Physik)

16:20 Starting the LHC HXS WG - experimental perspective - Reisaburo Tanaka (IJCLab, Université Paris-Saclay (FR))

16:40 The good and bad of the Yellow Reports - Chiara Mariotti (INFN Torino (IT))

17:00 LHCHWG: the paradigm shift - Giampiero Passarino (Torino University) Gian Piero Passarino (Universita e INFN Torino (IT))
19:00

19:00 - 22:00
Wednesday 15 November 2023
09:00 Morning 1
Morning 1
09:00 - 10:30
Room: 4/3-006 - TH Conference Room
Contributions

09:00 Signal-Background interferfence effects in diphoton production beyond NLO QCD (17'+5') - Federico Buccioni

09:22 Non-factorizable corrections to Higgs production in Vector Boson Fusion (15'+5') - Ming-Ming Long (KIT-TTP)

09:42 Improving NLO QCD event generators with high-energy EW corrections: ttH production (17'+5') - Timea Vitos

10:04 Light quark Yukawa couplings from off-shell Higgs production (17'+5') [remote] - Ramona Groeber (Università di Padova and INFN, Sezione di Padova)
Morning 1
Morning 1
09:00 - 10:30
Room: 40/S2-A01 - Salle Anderson
Contributions

09:00 Update on common format & toolchain for SMEFT parametrisations, STXS & beyond (15'+7') - Eleonora Rossi (University of Oxford (GB))

09:22 STXS beyond 1.2 (CPV and other considerations), experimental view (15'+7') - Benedict Tobias Winter (Albert Ludwigs Universitaet Freiburg (DE))

09:44 STXS in decays (15'+7') - Michael Duehrssen-Debling (CERN)

10:06 STXS beyond 1.2, BSM view (15'+7', remote) - Tilman Plehn Tilman Plehn Tilman Plehn (Heidelberg University)
Morning 1
Morning 1
09:00 - 10:30
Room: 31/3-004 - IT Amphitheatre
Contributions

09:00 Charged Higgs Cross section Updates - Emanuele Angelo Bagnaschi (CERN/INFN Laboratori Nazionali di Frascati)

09:18 Recasts - Louie Dartmoor Corpe (Laboratoire de Physique de Clermont (LPC))

09:36 WG2+3 overview - Tania Natalie Robens (Rudjer Boskovic Institute (HR))

09:54 How to study n-Higgs doublet models - Markos Maniatis (Departamento de Ciencias Basicas, UBB, Chillan, Chile)

10:12 Search for X->Yh->VVtautau with the ATLAS detector [remote] - Babar Ali (Czech Technical University in Prague (CZ))
Morning 1
Morning 1
09:00 - 10:30
Room: 503/1-001 - Council Chamber
Contributions

09:00 Overview of triple Higgs physics at the LHC - Marko Stamenkovic (Brown University (US))

09:30 2HDM Triple Higgs couplings at NLO at the HL-LHC - Kateryna Radchenko Serdula (DESY)

09:50 NLO QCD corrections in the 2HDM - Michael Spira (Paul Scherrer Institute (CH))

10:10 Vector-boson polarization in VBF di-Higgs production - Anna Sophie Tegetmeier (Centre National de la Recherche Scientifique (FR))
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00 Morning 2
Morning 2
11:00 - 12:30
Room: 4/3-006 - TH Conference Room
Contributions

11:00 CMS Hbb boosted produced via VBF or gluon-fusion (15') [remote] - Jennet Elizabeth Dickinson (Fermi National Accelerator Lab. (US))

11:15 ATLAS boosted Higgs results (15') [remote] - Zhi Zheng (SLAC National Accelerator Laboratory (US))

11:30 Discussion: CMS & ATLAS boosted Higgs results (15')

11:45 ATLAS off-shell results (15') - Michiel Jan Veen (University of Massachusetts (US))

12:00 CMS off-shell results (15') [remote] - Savvas Kyriacou (Johns Hopkins University (US))

12:15 Discussion: ATLAS & CMS offshell results
Morning 2
Morning 2
11:00 - 12:40
Room: 40/S2-A01 - Salle Anderson
Contributions

11:00 STXS - SM view and discussion intro - Frank Tackmann (Deutsches Elektronen-Synchrotron (DE)) Frank Tackmann

11:20 Discussion - The path to the next STXS binning - Frank Tackmann (Deutsches Elektronen-Synchrotron (DE)) Frank Tackmann

12:05 Constraints on EFT operators from Higgs property fits (20'+10', remote) - Andrei Gritsan (Johns Hopkins University (US))
Morning 2
Morning 2
11:00 - 12:30
Room: 31/3-004 - IT Amphitheatre
Contributions

11:00 Search for $h\rightarrow aa \rightarrow 2\mu 2b/2b2\tau$ with the CMS experiment - Pallabi Das (Princeton University (US))

11:15 Search for $h\rightarrow aa\rightarrow 4\gamma$ with the ATLAS experiment - Peter Kramer (Johannes Gutenberg Universitaet Mainz (DE))

11:30 Emerging jet probes of strongly interacting dark sectors - José Francisco Zurita (IFIC - Univ. of Valencia and CSIC (ES))

11:45 SMEFT at NNLO+PS: $Vh$ production - Luc Schnell (Max Planck Institute for Physics)

12:00 New Developments in MSSM Higgs Production and Decay - Michael Spira (Paul Scherrer Institute (CH))

12:15 2HDM scans - Matteo Bonanomi (Hamburg University)
Morning 2
Morning 2
11:00 - 12:30
Room: 503/1-001 - Council Chamber
Contributions

11:00 Resonant di-Higgs production in the RxSM: Pure resonant vs. full cross sections - Alain Verduras

11:20 New trigger strategies targeting HH events at the CMS experiment in Run 3 - Stephane Brunet Cooperstein (Univ. of California San Diego (US))
12:30 Lunch break
Lunch break
12:30 - 14:00
14:00
14:00 - 15:30
Room: 503/1-001 - Council Chamber
Contributions

14:00 SMEFT in the Higgs sector in CMS (15'+7') - Alessandro Calandri (Eidgenoessische Technische Hochschule Zuerich (CH))

14:22 SMEFT in ATLAS (15'+7') - Eleonora Rossi (University of Oxford (GB))

14:44 Higgs-gluon coupling in SMEFT (and EFT H+HH plans) (15'+7') - Stefano Di Noi (Università di Padova and INFN, Sezione di Padova)

15:06 Diboson production in the SMEFT from gluon fusion (15'+7') - Marion Thomas (University of Manchester)
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 17:30
Room: 503/1-001 - Council Chamber
Contributions

16:00 WG1 Higgs XS&BR: Outlook and Plans (10'+5') - Alexander Karlberg (CERN)

16:15 WG2 Higgs Properties: Outlook and Plans (10'+5') - Sarah Heim (Deutsches Elektronen-Synchrotron (DE))

16:30 WG3 BSM Higgs: Outlook and Plans (10'+5') - Alexis Kalogeropoulos (Kansas State University (US))

16:45 WG4 HH and multi-Higgs: Outlook and Plans (10'+5') - Javier Mazzitelli (Universidad de Buenos Aires (AR))

17:00 Closeout (10')
18:30

18:30 - 20:00
Room: 61/1-201 - Pas perdus - Not a meeting room -

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