Name: The 21st Workshop of the LHC Higgs Working Group
Start: 2024-12-04T09:00:00+01:00
End: 2024-12-06T17:30:00+01:00
Location: No location set

The 21st Workshop of the LHC Higgs Working Group

from Wednesday 4 December 2024 (09:00) to Friday 6 December 2024 (17:30)

Monday 2 December 2024
Tuesday 3 December 2024
Wednesday 4 December 2024
09:00
09:00 - 10:30
Room: 31/3-004 - IT Amphitheatre
Contributions

09:00 Workshop opening - Julie Malcles (IRFU-CEA, Université Paris-Saclay)

09:15 LHCb meets the LHC Higgs WG (10'+5')

09:30 EFT/Higgs Experimental Summary (20'+10') - Tae Hyoun Park (Max-Planck Institute for Physics)

10:00 EFT Meets Cosmology (20'+10') - Johan Löfgren (Uppsala)
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00
11:00 - 12:45
Room: 31/3-004 - IT Amphitheatre
Contributions

11:00 STXS Predictions (12'+3') - Ken Mimasu (University of Southampton)

11:15 EFT Interpretation of CMS VH(bb) (15'+5') - Alessandro Calandri (ETH Zuerich)

11:35 Running Effects in Higgs SMEFT (15'+5') - Stefano Di Noi (KIT)

11:55 SMEFiT (15'+5') - Luca Mantani (IFIC Valencia)

12:15 SMEFT/Higgs Experimental Outlook (20'+10') - Giacomo Boldrini (LLR Palaisau - CNRS)
12:45 Lunch break
Lunch break
12:45 - 14:00
14:00
14:00 - 15:30
Room: 31/3-004 - IT Amphitheatre
Contributions

14:00 Introduction - Alessandro Calandri (ETH Zuerich) Alexander Karlberg (CERN) Bernhard Mistlberger (SLAC) Hannah Arnold (Stony Brook)

14:10 ggF status report (17'+5') - Alessandra Cappati (Universite Catholique de Louvain (UCL) (BE)) Robin Hayes (Nikhef National institute for subatomic physics (NL))

14:32 VBF status report (17+5') - Jiayi Chen (Simon Fraser University)

14:54 VH status report (15'+7') - Matthew Lim (University of Sussex)
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 17:30
Room: 31/3-004 - IT Amphitheatre
Contributions

16:00 MSSM working group summary (15'+3') - Emanuele Angelo Bagnaschi (INFN Frascati)

16:18 bbH: subgroup report and NNLO+PS generators in the massless and massive schemes (15'+3') - Christian Biello (Max-Planck Institute for Physics)

16:36 NMSSM subgroup report (15'+3') - Milada Margarete Muehlleitner (KIT)

16:54 Exotic decays subgroup: Axion-like particle connections to the Higgs and top (15'+3') - Anke Biekoetter (JGU Mainz)

17:12 Extended scalar sector subgroup report (15'+3') - Khawla Jaffel (University of Science and Technology of China)
Thursday 5 December 2024
09:00
09:00 - 12:07
Room: 40/S2-A01 - Salle Anderson
Contributions

09:05 Higgs+charm ATLAS (10'+10') - Elliot Reynolds (University of Kansas)

09:25 Higgs+charm CMS (10'+10') - Tiziano Bevilacqua (University of Zuerich)

09:45 yt-induced Hbb as a background for HH searches (17'+5') - Marco Zaro (Università degli Studi and INFN Milano)

10:07 ttHbb highlights/summary of the WG1 - ttH/tH workshop (10'+10') - Matthias Schroeder (University of Hamburg)

10:27 Updated ttHbb results ATLAS (10'+10') - Alexander Froch (Université de Genève)

10:47 VHcc ATLAS+CMS focusing on modelling uncertainties (20'+10') - Zhuoran Feng (Nikhef)

11:17 VHbb ATLAS+CMS focusing on modelling uncertainties (20'+10') - Christina Reissel (MIT)

11:47 PDF uncertainties on predictions for Higgs production in gluon-gluon fusion (15'+5') - Maria Vittoria Garzelli (University of Hamburg)
09:00 - 12:00
Room: 40/S2-C01 - Salle Curie
Contributions

09:00 Exotic decays of Higgs bosons to ALPS (ATLAS and CMS) (20'+5') - Dominique Trischuk (Brandeis University)

09:25 A log story short: running contributions to radiative Higgs decays in SMEFT (20'+5') - Guilherme Guedes (DESY)

09:50 Interference effects in gg→H→Zγ beyond Leading Order (20'+5') [remote] - Federico Buccioni (Technical University of Munich)

10:35 CP-sensitive observables in STXS ttH cross sections (20'+5') - Alberto Carnelli (IRFU Saclay - CNRS)

11:00 Probing CPV with DPhijj in H→WW (ATLAS) (20'+5') [remote] - Cameron Clarry (University of Toronto)

11:25 Off-shell coupling measurements (CMS) (20'+5') - Andrei Gritsan (Johns Hopkins)
09:00 - 12:02
Room: 6/R-012 - conference room
Contributions

09:00 Exotic Higgs decays in CMS - Lakshmi Pramod (DESY)

09:18 Rare and exotic Higgs decays in ATLAS - Diallo Boye (Brookhaven National Laboratory)

09:36 LLPs from Exotic Higgs decays using faraway sub-detectors - Nathan Grieser (University of Cincinnati)

09:54 Higgs Mass Predictions in the CP-Violating High-Scale NMSSM - Christoph Borschensky (KIT)

10:12 Recent developments in NMSSMCALC - Martin Gabelmann (DESY)

10:50 MSSM Higgs boson production via gluon fusion - Michael Spira (Paul Scherrer Institute)

11:08 Updates on charged Higgs cross sections - Emanuele Angelo Bagnaschi (INFN Frascati)

11:26 Extended scalars and dark matter - Rui Santos (ISEL and CFTC-UL)

11:44 Higgs to dark showers - Emre Sitti (ETH Zuerich)
09:00 - 12:00
Room: 31/3-004 - IT Amphitheatre
Contributions

09:00 Introduction

09:10 Triple Higgs searches in ATLAS

09:30 Triple Higgs searches in CMS [tbc]

09:50 Overview of triple Higgs theory - Tania Natalie Robens (Rudjer Boskovic Institute)

10:20 Multi-Higgs Production and the Electroweak Phase Transition - Osama Karkout (Nikhef)

10:40 Effect of anomalous HHH and ZZHH couplings on the decay width of H→4l [remote] - Biswajit Das (The Institute of Mathematical Sciences, Chennai)

11:00 Double Higgs production in vector boson fusion at NLO QCD with anomalous couplings - Jens Braun (KIT)
12:30 Lunch break
Lunch break
12:30 - 14:00
14:00
14:00 - 15:30
Room: 31/3-004 - IT Amphitheatre
Contributions

14:00 ttH/tH status report (17'+5') - Judith Katzy (DESY)

14:22 Off-shell status report (17'+5') - Raoul Horst Roentsch (Università degli Studi and INFN Milano)

14:44 BR status report (10'+5') - Michael Spira (Paul Scherrer Institute)

15:00 Higgs physics at future colliders (20'+10') - Matthew Philip McCullough (CERN)
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 17:30
Room: 31/3-004 - IT Amphitheatre
Contributions

16:00 Measurements of Higgs couplings to bosons at ATLAS and CMS (17'+5') [remote] - Jeffrey Davis (Johns Hopkins)

16:22 Measurements of Higgs couplings to fermions and interpretations of Higgs XS measurements at ATLAS and CMS (17'+5') - Jelena Jovicevic (Institute of Physics, University of Belgrade)

16:44 BSM & SMEFT Interpretation of Higgs measurements at LHC and HL-LHC (17'+5') - Ken Mimasu (University of Southampton)

17:06 Non-linear CP violation (17'+5') [remote] - Akanksha Bhardwaj (Oklahoma State University)
19:30

19:30 - 22:30
Friday 6 December 2024
09:00
09:00 - 10:30
Room: 4/3-006 - TH Conference Room
Contributions

09:00 Updates from PDF global fits (20'+10') - Joey Huston (Michigan State University)

09:30 2HDM and 6dim operators to achieve strong-first-order electroweak phase transition (15'+5') - Lisa Biermann (Paul Scherrer Institute)

09:50 STXS Overview (15'+5') - Matteo Bonanomi (University of Hamburg)

10:10 Finite Width and Interference (15'+5') - Georg Ralf Weiglein (DESY)
10:30 Coffee break
Coffee break
10:30 - 11:00
Room: 500/1-201 - Mezzanine
11:00
11:00 - 12:30
Room: 4/3-006 - TH Conference Room
Contributions

11:00 Overview of HH searches at ATLAS - Arantxa Ruiz Martinez (IFIC Valencia)

11:15 Overview of HH searches at CMS - Torben Lange (National Institute of Chemical Physics and Biophysics, Tallinn)

11:30 VBF HH with Powheg - Simon Reinhardt (University of Tuebingen)

11:50 NLO EW corrections on gg→HH cross section [remote] - Huai-Min Yu (Peking University)

12:10 Resonant HH production: interference effects and higher-order corrections - Kateryna Radchenko Serdula (DESY)
12:30 Lunch break
Lunch break
12:30 - 14:00
14:00
14:00 - 15:30
Room: 4/3-006 - TH Conference Room
Contributions

14:00 WG3: Rare and Exclusive Higgs boson decays (7'+3') - David d'Enterria (CERN) Van Dung Le (Ho Chi Minh City University)

14:10 WG3: NMSSM MasterCode, Benchmarks for NMSSM (7'+3') - Felix Egle (DESY)

14:20 WG1: Parton shower aspects of Vector Boson Fusion Higgs production (7'+3') - Jiayi Chen (Simon Fraser University (CA))

14:30 WG1: Resummed predictions for VH (7'+3') - kajal samanta (Indian Institute of Technology, Guwahati)
15:30 Coffee break
Coffee break
15:30 - 16:00
Room: 500/1-201 - Mezzanine
16:00
16:00 - 17:30
Contributions

16:00 WG1 Higgs XS&BR: Outlook and Plans (10'+5') - Hannah Arnold (Stony Brook University)

16:15 WG2 Higgs Properties: Outlook and Plans (10'+5')

16:30 WG3 BSM Higgs: Outlook and Plans (10'+5')

16:45 WG4 HH and multi-Higgs: Outlook and Plans (10'+5')

17:00 Closing words from the Steering Committee (10'+5') - Ennio Salvioni (University of Sussex)

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