Name: LHC Monte Carlo WG plenary meeting
Start: 2025-10-08T09:00:00+02:00
End: 2025-10-09T18:00:00+02:00
Location: CERN

LHC Monte Carlo WG plenary meeting

from Wednesday, October 8, 2025 (9:00 AM) to Thursday, October 9, 2025 (6:00 PM)

Monday, October 6, 2025
Tuesday, October 7, 2025
Wednesday, October 8, 2025

9:00 AM Introduction
Introduction
9:00 AM - 9:15 AM
Room: 4/3-006 - TH Conference Room
9:15 AM
9:15 AM - 10:30 AM
Room: 4/3-006 - TH Conference Room
Contributions

9:15 AM ALICE (remote via Zoom) - Antonin Maire (IPHC - Strasbourg (CNRS-In2p3/Unistra))

9:30 AM ATLAS - Ana Rosario Cueto Gomez (Universidad Autonoma de Madrid (ES))

9:45 AM CMS (remote via Zoom) - Si Hyun Jeon (Boston University (US))

10:00 AM LHCb (remote via Zoom) - Tom Hadavizadeh (Monash University (AU))
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
Room: 4/3-006 - TH Conference Room
11:00 AM
11:00 AM - 12:30 PM
Room: 4/3-006 - TH Conference Room
Contributions

11:00 AM Herwig updates - Simon Platzer (University of Graz (AT))

11:15 AM Pythia news - Ilkka Helenius (University of Jyväskylä)

11:30 AM Updates from Sherpa - Daniel Reichelt (CERN)

11:45 AM The future of MadGraph - Theo Heimel (UCLouvain)

12:00 PM Rivet updates - Christian Gutschow (UCL (UK))

12:15 PM Contur news - Jonathan Butterworth (UCL)
12:30 PM Lunch break
Lunch break
12:30 PM - 2:00 PM
Room: 4/3-006 - TH Conference Room
2:00 PM
2:00 PM - 3:40 PM
Room: 4/3-006 - TH Conference Room
Contributions

2:00 PM Intoduction and Pythia plans - Leif Lönnblad (Lund University (SE))

2:10 PM Tuning the rope model to ALICE data (via Zoom) - Lorenzo Bernardinis (Universita e INFN Trieste (IT))

2:25 PM Non-perturbative modelling and tuning in Sherpa - Frank Martin Krauss

2:40 PM Thoughts on cutoffs and tuning - Simon Platzer (University of Graz (AT))

2:55 PM ATLAS tuning - Baris Tuncay (University of Oxford (GB))

3:10 PM CMS tuning - Kyle Cormier (CERN)

3:25 PM Discussion about possible tuning sub-group
3:40 PM Coffee break
Coffee break
3:40 PM - 4:00 PM
Room: 4/3-006 - TH Conference Room
4:00 PM
4:00 PM - 6:00 PM
Room: 4/3-006 - TH Conference Room
Contributions

4:00 PM Status update from PanScales - Melissa Corona van Beekveld (Nikhef National institute for subatomic physics (NL))

4:25 PM Status update from Herwig - Mike Seymour (The University of Manchester (GB))

4:50 PM Status update from Alaric - Daniel Reichelt (CERN)

5:15 PM Status update from Apollo - Christian Preuss (University of Goettingen)

5:40 PM Status update from CVolver - Simon Platzer (University of Graz (AT))
6:00 PM Reception
Reception
6:00 PM - 7:30 PM
Room: 61/1-201 - Pas perdus - Not a meeting room -
Thursday, October 9, 2025

9:00 AM

9:00 AM - 9:45 AM
Room: 4/3-006 - TH Conference Room
9:45 AM
9:45 AM - 11:00 AM
Room: 4/3-006 - TH Conference Room
Contributions

9:45 AM Madgraph plugin for hardware acceleration - Zenny Wettersten (CERN)

10:10 AM Pepper parton level event generation - Enrico Bothmann (CERN)

10:35 AM GAPS, GPU-Amplified Parton Shower - Mike Seymour (The University of Manchester (GB))
11:00 AM Coffee break
Coffee break
11:00 AM - 11:30 AM
Room: 4/3-006 - TH Conference Room
11:30 AM
11:30 AM - 12:45 PM
Room: 4/3-006 - TH Conference Room
Contributions

11:30 AM MC community vision & asks - Frank Martin Krauss

11:45 AM Community MC tools: sustainability lessons and challenges - Andy Buckley (University of Glasgow (GB))

12:00 PM Experiments’ perspective (common presentation) - Gloria Corti (CERN) John Derek Chapman (University of Cambridge (GB))

12:15 PM HSF: Vision and Role in MC Toolchain Sustainability - Saptaparna Bhattacharya (Southern Methodist University (US))

12:30 PM EP-SFT: Mandate and Role - Gerardo Ganis (CERN)
12:45 PM Lunch break
Lunch break
12:45 PM - 2:00 PM
Room: 4/3-006 - TH Conference Room
2:00 PM
2:00 PM - 3:45 PM
Room: 4/3-006 - TH Conference Room
Contributions

2:00 PM Machine learning applications to negative-weight reduction - Andrea Valassi (CERN) Stefano Frixione (INFN)

2:25 PM Negative weight suppression: Quantifying improvements and distortions - Jeppe Andersen (IPPP, University of Durham)

2:50 PM Negative weight elimination: ESME - Alexander Karlberg (CERN)

3:15 PM Neural Refinement of Sample Weights - Dennis Noll (Stanford University)
3:45 PM

3:45 PM - 4:05 PM
Room: 4/3-006 - TH Conference Room