Name: The 18th Workshop of the LHC Higgs Working Group
Start: 2021-12-01T09:00:00+01:00
End: 2021-12-03T19:00:00+01:00
Location: Virtual

The 18th Workshop of the LHC Higgs Working Group

from Wednesday, December 1, 2021 (9:00 AM) to Friday, December 3, 2021 (7:00 PM)

Monday, November 29, 2021
Tuesday, November 30, 2021
Wednesday, December 1, 2021

12:55 PM Introduction and welcome
Introduction and welcome
12:55 PM - 1:00 PM
1:00 PM Wednesday Afternoon: Working Group 1 session
Working Group 1 session
1:00 PM - 3:15 PM
Room: 222/R-001
Contributions

1:00 PM ggF - theory update - Stephen Philip Jones (University of Durham (GB))

1:10 PM ggF - experimental results - Jonathon Mark Langford (Imperial College (GB))

1:25 PM VBF - Antonio De Maria (Nanjing University (CN))

1:50 PM VH - Alessandro Calandri (Eidgenoessische Technische Hochschule Zuerich (CH))

2:15 PM tH/ttH: experiment summary - Josh McFayden (University of Sussex)

2:30 PM tH/ttH: theory summary - Laura Reina (Florida State University (US))

2:50 PM Offshell - theory summary - Nikolas Kauer (Royal Holloway, University of London)

3:00 PM Offshell - experiment summary - Savvas Kyriacou (Johns Hopkins University (US))
3:15 PM Wednesday Afternoon: Discussion session on WG1 topics
Discussion session on WG1 topics
3:15 PM - 3:45 PM
Room: 222/R-001

3:45 PM Wednesday Afternoon: Virtual Coffee Break - Q&A in individual speakers' breakout rooms of the main zoom room
Virtual Coffee Break - Q&A in individual speakers' breakout rooms of the main zoom room
3:45 PM - 4:10 PM
Room: 222/R-001
4:10 PM Wednesday Afternoon 2: Working Group 2
4:10 PM - 6:10 PM
Room: 222/R-001
Contributions

4:10 PM WG activity on STXS ggF uncertainties (1.2): Summary and presentation of final results - Haider Abidi (Brookhaven National Laboratory (US))

4:34 PM Kappa_lambda from single Higgs measurements: towards a common parametrisation - Stefano Manzoni (CERN)

4:58 PM Shedding light on the Higgs: EFT modelling and sensitivity to Higgs couplings to virtual photons - Savvas Kyriacou (Johns Hopkins University (US))

5:22 PM EFT in light of the latest Higgs/STXS measurements - Eleni Vryonidou (University of Manchester (GB))

5:46 PM Differential fiducial measurements next steps and combination - Mingshui Chen (Chinese Academy of Sciences (CN))
6:10 PM Wednesday Afternoon 2: Working Group 2: Discussion session on WG2 topics
Discussion session on WG2 topics
6:10 PM - 6:40 PM
Room: 222/R-001

6:40 PM Wednesday Afternoon 2: Working Group 2: Q&A in individual speakers' breakout rooms of the main zoom room
Q&A in individual speakers' breakout rooms of the main zoom room
6:40 PM - 7:05 PM
Room: 222/R-001
Thursday, December 2, 2021
1:00 PM Thursday Afternoon: Working Group 3
Working Group 3
1:00 PM - 3:00 PM
Room: 222/R-001
Contributions

1:00 PM Exotic Decay Working Group Summary - Brian Shuve (Harvey Mudd College)

1:30 PM Extended Higgs Theory Summary - Tania Natalie Robens (Rudjer Boskovic Institute (HR))

1:45 PM Extended Higgs Experimental Summary - Mariarosaria D'Alfonso (Massachusetts Inst. of Technology (US))

2:00 PM MSSM Working Group Summary (Theory) - Emanuele Angelo Bagnaschi (Universita e INFN Roma Tre (IT))

2:15 PM MSSM Working Group Summary (Experiment) - Tim Barklow (SLAC National Accelerator Laboratory (US))

2:30 PM NMSSM Working Group Summary - Daniel Winterbottom (Imperial College (GB)) Milada Margarete Mühlleitner Milada Muhlleitner (KIT - Karlsruhe Institute of Technology (DE)) Ulrich Bernhard Ellwanger (Université Paris-Saclay (FR)) Ulrich Ellwanger (University Paris 11)
3:00 PM Thursday Afternoon: Discussion session on WG3 topics
Discussion session on WG3 topics
3:00 PM - 3:30 PM
Room: 222/R-001

3:30 PM Thursday Afternoon: Virtual Coffee Break: Q&A in individual speakers' breakout rooms of the main zoom room
Virtual Coffee Break: Q&A in individual speakers' breakout rooms of the main zoom room
3:30 PM - 4:00 PM
Room: 222/R-001
4:00 PM Thursday afternoon 2: HH-cross group
HH-cross group
4:00 PM - 6:00 PM
Room: 222/R-001
Contributions

4:00 PM Introduction

4:05 PM Experimental Overview - Alessandra Betti (Southern Methodist University (US))

4:35 PM Resonant Benchmarks for Spin-0 HH, SH and SS - Duarte Azevedo (Karlsruhe Institute of Technology (DE))

4:55 PM Effective Field Theory for Higgs Pair Production - Ramona Groeber (Università di Padova and INFN, Sezione di Padova)

5:15 PM Contributed Lightning Talks
6:00 PM Thursday afternoon 2: Discussion on HH topics
Discussion on HH topics
6:00 PM - 6:30 PM
Room: 222/R-001

6:30 PM Thursday afternoon 2: Q&A in individual speakers' breakout rooms of the main zoom room
Q&A in individual speakers' breakout rooms of the main zoom room
6:30 PM - 7:00 PM
Room: 222/R-001
Friday, December 3, 2021
1:00 PM Friday Afternoon: Cross-cutting topics
Cross-cutting topics
1:00 PM - 3:10 PM
Room: 222/R-001
Contributions

1:00 PM Single and Double Higgs processes: Interpretation in the k_lambda and EFT frameworks - Jorge de Blas (Universidad de Granada (ES))

1:30 PM Cuts for two-body decays at colliders - Gavin Salam (University of Oxford)

2:00 PM Higgs pT Spectrum and Total Cross Section with Fiducial Cuts at Third Resummed and Fixed Order in QCD - Johannes Michel (MIT CTP) Markus Ebert (MIT)

2:30 PM PDF4LHC update - Robert Samuel Thorne (University College London (UK))
3:00 PM Friday Afternoon: Discussion session on cross topics
Discussion session on cross topics
3:00 PM - 3:20 PM
Room: 222/R-001

3:20 PM Friday Afternoon: Virtual Coffee Break: Q&A in individual speakers' breakout rooms of the main zoom room
Virtual Coffee Break: Q&A in individual speakers' breakout rooms of the main zoom room
3:20 PM - 3:40 PM
Room: 222/R-001
3:40 PM Friday afternoon 2: Final session and conclusion
Final session and conclusion
3:40 PM - 6:50 PM
Room: 222/R-001
Contributions

3:40 PM Higgs studies from Snowmass - Caterina Vernieri (SLAC National Accelerator Laboratory (US))

4:10 PM WG1: summary and plans - Alexander Karlberg (University of Oxford) John Campbell Julie Malcles (Université Paris-Saclay (FR)) Roberto Di Nardo (Università e INFN Roma Tre (IT))

4:30 PM WG2: summary and plans - Giuliano Panico (University of Florence and INFN Florence) Ken Mimasu (King's College London) Mauro Donega (ETH Zurich (CH)) Nicolas Berger (Centre National de la Recherche Scientifique (FR))

4:50 PM WG3: summary and plans - Abdollah Mohammadi (University of Wisconsin Madison (US)) Jan Steggemann (EPFL and ETH Zurich (CH)) Jana Schaarschmidt (University of Washington (US)) Shufang Su (University of Arizona) Zhen Liu Zhen Liu (University of Minnesota) Zhen Liu (University of Minnesota (US))

5:10 PM HH: summary and plans - Elizabeth Brost (Brookhaven National Laboratory (US)) Javier Mazzitelli (Max-Planck-Institut fur Physik (DE)) Luca Cadamuro (University of Florida (US)) Margarete Mühlleitner (Karlsruhe Institute of Technology (DE)) Nan Lu (California Institute of Technology (US)) Ramona Groeber (Università di Padova and INFN, Sezione di Padova)

5:30 PM General discussion