Name: 9th FCC Physics Workshop
Start: 2026-01-26T09:00:00+01:00
End: 2026-01-30T18:00:00+01:00
Location: Max Planck Institute for Physics

9th FCC Physics Workshop

from Monday, January 26, 2026 (9:00 AM) to Friday, January 30, 2026 (6:00 PM)

Monday, January 26, 2026
9:30 AM FCC Early Career Forum
9:30 AM - 12:30 PM
Room: Auditorium
Contributions

9:30 AM Introduction to this event - Armin Ilg (University of Zurich)

9:40 AM What is FCC? - Guy Wilkinson (University of Oxford (GB))

9:55 AM What is ESO? - Sanje Antona Fenkart

10:10 AM Presentation of FCC ECP document draft - Jacqueline Keintzel (CERN)

10:45 AM Interactive panel discussion – Early Career Professionals in future, large, international science projects - Bibiana Prinoth (ESO) Dolores Garcia (CERN) Giulia Zanderighi (Max Planck Inst. for Gravitationsph Albert Eisntein Institute (DE)) Guy Wilkinson (University of Oxford (GB)) Jarle Brinchmann (ESO)
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM General FCC Meeting
2:00 PM - 4:00 PM
Room: Auditorium
Contributions

2:00 PM Welcome address - Giulia Zanderighi (Max Planck Institute for Physics)

2:05 PM Practical information - Marumi Kado (Max Planck Institute for Physics) Sandra Kortner (Max Planck Institute for Physics)

2:15 PM Introduction and goals of the workshop - Guy Wilkinson (University of Oxford (GB))

2:20 PM German engagement in FCC - Markus Klute (Karlsruhe Inst. of Technology (GER))

2:45 PM Landscape after ESPPU recommendations - Paris Sphicas (CERN/Athens)

3:10 PM FCC progress in 2025 and plans till 2028 - Frank Zimmermann (CERN)
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
4:30 PM Plenary session
4:30 PM - 6:45 PM
Room: Auditorium
Contributions

4:30 PM Choice of FCC optics and consequences for physics - Ghislain Roy (CERN)

5:00 PM Report from the FCC-ee TDAQ workshop - Steven Schramm (Universite de Geneve (CH))

5:20 PM Report from the FCC-ee Flavour Workshop - Stephane Monteil (Université Clermont Auvergne (FR))

5:40 PM Report from the FCC-ee vertex detector Workshop - Fabrizio Palla (Universita & INFN Pisa (IT))

6:00 PM Report from the FCC-ee particle flow reconstruction Workshop - Dolores Garcia (CERN)

6:20 PM QCD at FCC - Pier Francesco Monni (CERN)
6:45 PM Poster session
6:45 PM - 8:30 PM
Contributions

6:45 PM Rare $Z\to 6\mu$ Decays at FCC-$ee$ as Probes of Dark Sector New Physics - Tsz Hong Kwok (University of Zurich (CH))

6:50 PM Probing Hbb coupling in SMEFT at future circular collider - Reza Jafari (University of Tehran (IR))

6:55 PM MPPC Characterization for FCC Calorimetry - Ana Arranz Asensi (Univ. of Valencia and CSIC (ES))

7:00 PM Optimization of physics objects for the $t\bar{t}$ threshold run at FCC-ee - Gino Daniels (Purdue University (US))

7:05 PM Lookup table based vertex digitisation for accurate sensor response simulation and detector layout optimisation - Jona Dilg (University of Zurich (CH))

7:10 PM Impact of the ARC Subdetector on Machine Learning Particle Flow Reconstruction in CLD - Vincent Riechers (Universite de Geneve (CH))
Welcome reception
Welcome reception
6:45 PM - 8:30 PM
Tuesday, January 27, 2026
9:00 AM Parallel: EPOL
9:00 AM - 10:30 AM
Room: Atlas room
Contributions

9:00 AM Progress on polarized beam injection - Jorg Wenninger (CERN)

9:23 AM Progress on depolariser - Daniel Sittard (Karlsruhe Institute of Technology (KIT)) Wolfgang Hofle (CERN)

9:46 AM Polarimeter studies at IJClab - Juba TAMAZIRT Juba Tamazirt

10:09 AM Polarimeter studies at CERN - Robert Kieffer (CERN)
Parallel: Physics
9:00 AM - 10:30 AM
Room: Auditorium
Contributions

9:00 AM The Potential of the Higgs at FCC - Uli Haisch

9:18 AM Acceptance and Higher Order EW and QED at FCC-ee - Zbigniew Andrzej Was (Polish Academy of Sciences (PL)) Zbigniew Was (IFJ PAN Krakow)

9:36 AM Time-Dependent Precision Measurement of B0s→ϕμ+μ− Decay at FCC-ee - Jason Aebischer (CERN)

9:54 AM alpha_s extraction from the tau lifetime at FCC-ee - Redamy Pérez-Ramos (IPSA/LPTHE)

10:12 AM Prospects of jet physics at FCC (N3LO QCD corrections) - Giovanni Stagnitto (University of Milano Bicocca)
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
11:00 AM Parallel: EPOL
11:00 AM - 12:35 PM
Room: Atlas room
Contributions

11:00 AM Polarisation ring studies - Christian Carli (CERN)

11:20 AM FCC-ee spin polarisation: status and challenges - Yi Wu (EPFL - Ecole Polytechnique Federale Lausanne (CH))

11:40 AM Calibration through dimuon-threshold production - Josh Bendavid (CERN)

12:00 PM Update on monochromatisation studies - Anna Korsun Anna Korsun (Université Paris-Saclay (FR))

12:20 PM Plans for the pre-TDR phase - Jacqueline Keintzel (CERN)
Parallel: Physics
11:00 AM - 12:35 PM
Room: Auditorium
Contributions

11:00 AM EWK Group Plans - Jan Eysermans (Massachusetts Inst. of Technology (US))

11:25 AM Analysis with Aleph Data - Luka Lambrecht (Brown University (US))

11:45 AM Top EWK couplings - Jacopo De Piccoli (Universita e INFN, Padova (IT))

12:05 PM Toponium at FCC-ee - Juergen Reuter (DESY Hamburg, Germany) Jürgen Reuter
12:35 PM Lunch
Lunch
12:35 PM - 2:00 PM
2:00 PM Parallel: MDI
2:00 PM - 4:00 PM
Room: Atlas room
Contributions

2:00 PM Cryostat design and integration - John Theodore Seeman (SLAC National Accelerator Laboratory)

2:20 PM IR magnet system design - Brett Parker (Brookhaven National Laboratory (US)) Vikas Teotia (Brookhaven National Laboratory)

2:45 PM MDI alignment system R&D - Leonard Watrelot (CERN)

3:05 PM FCC-ee HTS CCT magnet design proposal for the final focus quadrupole and its cooled beam pipe - Mael Le Garrec (Laboratoire d'Annecy de Physique des Particules (CNRS IN2P3-LAPP)) Matthieu Marchand (Centre National de la Recherche Scientifique (FR))

3:20 PM LNF mock up status - Andrea Ciarma (INFN e Laboratori Nazionali di Frascati (IT))

3:40 PM Luminosity loss from ground motion in the fcc-ee MDI - Mael Le Garrec (Laboratoire d'Annecy de Physique des Particules (CNRS IN2P3-LAPP))
Parallel: Physics
2:00 PM - 4:00 PM
Room: Auditorium
Contributions

2:00 PM Higgs Overview & plans - Xunwu Zuo (EPFL - Ecole Polytechnique Federale Lausanne (CH))

2:20 PM Searching for s-channel Higgs production in the WW* final state - Reza Jafari (University of Tehran (IR))

2:40 PM H+gamma production - Lena Maria Herrmann

3:00 PM Update H->WW* - Gadi Ninio (Tel Aviv University (IL))

3:20 PM Update on H->tautau + CP studies - Sofia Giappichini (KIT - Karlsruhe Institute of Technology (DE))

3:40 PM Update on ZH cross-section - Tom Fournier (APC, CNRS/IN2P3 and Université Paris Cité (FR))
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
4:30 PM Joint Parallel: Detectors and Physics Software&Computing
4:30 PM - 6:30 PM
Room: Auditorium
Contributions

4:30 PM Gaseous tracker simulation and digitisation - Andreas Loeschcke Centeno (CERN)

4:54 PM Detailed silicon tracker digitisation - Jessy Daniel (Centre National de la Recherche Scientifique (FR))

5:18 PM Noble liquid calorimeter simulation and reconstruction status and plans - Jacopo Fanini (CERN & Université Paris-Saclay)

5:42 PM Updates on dual readout calorimeters simulation and digitization - Lorenzo Pezzotti (Universita e INFN, Bologna (IT))

6:06 PM Status and plans for TPC studies for FCC-ee - Daniel Jeans (KEK High Energy Accelerator Research Organization (JP))
Parallel: Physics
4:30 PM - 6:30 PM
Room: Atlas room
Contributions

4:30 PM Dark Photons - Giacomo Polesello (INFN, Sezione di Pavia (IT))

4:50 PM ALPs at FCC-ee - Giacomo Cacciapaglia (Centre National de la Recherche Scientifique (FR)) Giacomo Cacciapaglia (Centre National de la Recherche Scientifique (FR))

5:10 PM The Dark Side of a Tera-Z Factory - Pablo Olgoso Pablo Olgoso Ruiz (University of Padova)

5:30 PM Proposal for a shared transverse LLP detector for FCC-ee and FCC-hh and a forward LLP detector for FCC-hh - Rhitaja Sengupta (BCTP and Physikalisches Institut der Universität Bonn, Germany) Rhitaja Sengupta Rhitaja Sengupta

5:50 PM Dark showers via the Higgs portal - Felix Kahlhoefer (Karlsruhe Institute of Technology)
6:30 PM International Forum of National Contacts (open session)

6:30 PM - 8:00 PM
Room: Auditorium
Wednesday, January 28, 2026
9:00 AM Joint Parallel: Physics Software&Computing and Detectors and Physics
9:00 AM - 10:30 AM
Room: Auditorium
Contributions

9:00 AM Tracking tools status and plans - Andrea De Vita (Università di Padova & CERN)

9:18 AM Standalone muon tracking for highly displaced signatures - Mahmoud Ali (CERN) Mahmoud Ali

9:36 AM Dual readout calorimeters reconstruction - Sanghyun Ko (CERN)

9:54 AM PID with the ARC detector - Serena Pezzulo (INFN e Universita Genova (IT))

10:12 AM Towards a full reconstruction for ILD@FCC-ee - Victor Schwan (Deutsches Elektronen-Synchrotron (DE))
Parallel: MDI
9:00 AM - 10:30 AM
Room: Atlas room
Contributions

9:00 AM Injection backgrounds and experience from SuperKEKB - Giulia Nigrelli (Sapienza Universita, INFN-LNF, CERN)

9:20 AM Studies of backgrounds in ILD - Victor Schwan (Deutsches Elektronen-Synchrotron (DE))

9:40 AM WarpX: a massively parallel PIC framework for FCC-ee - Peter Kicsiny (SLAC) Peter Kicsiny (SLAC)

10:00 AM Studies of backgrounds in vertex detectors - Armin Ilg (University of Zurich)
10:30 AM Group photo
Group photo
10:30 AM - 10:40 AM

10:40 AM Coffee break
Coffee break
10:40 AM - 11:00 AM
11:00 AM Parallel: Detectors: Detector Concepts
Detector Concepts
11:00 AM - 12:30 PM
Room: Auditorium
Contributions

11:00 AM Detector Concepts Group Re-Organization - Marc-Andre Pleier (Brookhaven National Laboratory (US))

11:10 AM ALLEGRO news and plans - Martin Aleksa (CERN)

11:30 AM CLD news and plans - Jinlong Zhang (Argonne National Laboratory (US))

11:50 AM IDEA news and plans - Paolo Giacomelli (Universita e INFN, Bologna (IT))

12:10 PM ILD news and plans - Daniel Jeans (KEK High Energy Accelerator Research Organization (JP))
Parallel: Physics
11:00 AM - 12:30 PM
Room: Atlas room
Contributions

11:00 AM Chasing the two-Higgs-doublet model via electroweak corrections at e+e− colliders - Hantian Zhang (CERN)

11:20 AM Bounding exotic top decays inclusively at the FCC-ee - Barbara Mele

11:40 AM Cornering Natural SUSY at a Tera-Z Factory - Admir Greljo (Universitaet Basel (CH))

12:00 PM Large Electron Yukawa Modifications - Sophie Alice Renner (University of Glasgow (GB)) Sophie Renner (University of Mainz)
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM Parallel: Physics
2:00 PM - 4:00 PM
Room: Auditorium
Contributions

2:00 PM Tau polarisation - Olmo Arquero Peinazo (CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tec. (ES))

2:20 PM Polarized Lambdab baryons - Anja Beck (Massachusetts Inst. of Technology (US))

2:40 PM Opportunities for charm at FCC-ee - Dominik Mitzel (Ruprecht-Karls-Universitaet Heidelberg (DE)) Dominik Stefan Mitzel (Technische Universitaet Dortmund (DE))

3:00 PM Limits on flavour-violating Z boson decays with modern jet-flavour taggers at FCC-ee - Kyle Cormier (CERN)

3:20 PM Progress in QED ISR at NNLO - Marvin Schnubel
Parallel: Physics Software&Computing
2:00 PM - 4:00 PM
Room: Atlas room
Contributions

2:00 PM Key4hep status and plans - Juan Miguel Carceller (CERN)

2:20 PM Machine learning support in Key4hep - Thomas Madlener (Deutsches Elektronen-Synchrotron (DESY))

2:40 PM Recently introduced and upcoming features in ROOT - Stephan Hageboeck (CERN)

3:00 PM GRID submission: status and plans - Andre Sailer (CERN)

3:20 PM CMS workload and data management systems - Andrea Piccinelli (University of Notre Dame (US))

3:40 PM Julia language for HEP - Florian Henkes (Tecnical University of Munich) Florian Henkes (KIT - Karlsruhe Institute of Technology (DE))
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
4:30 PM Joint Parallel: Detectors and MDI
4:30 PM - 6:35 PM
Room: Auditorium
Contributions

4:30 PM Quantum sensor based Luminometer - Ben Kilminster (University of Zurich (CH))

4:55 PM Detector integration in the cavern - Gianluca Gilmore Kerr

5:20 PM Flat Vertex detector air cooling and services integration - Gherardo Ammirabile (Universita & INFN Pisa (IT))

5:45 PM First studies of Curved Vertex detector mechanical integration - Jeremy Andrea (Centre National de la Recherche Scientifique (FR))

6:10 PM Status of the CEPC Detector Design - Joao Barreiro Guimaraes Da Costa (Chinese Academy of Sciences (CN))
Parallel: Physics
4:30 PM - 6:30 PM
Room: Atlas room
Contributions

4:30 PM Physics case for low-√s QCD studies at FCC-ee - Andrii Verbytskyi (Max Planck Society (DE))

4:50 PM Parton showers for FCC-ee - Simon Plaetzer (ITP, Universitaet Karlsruhe) Simon Platzer (University of Graz (AT))

5:10 PM Higgs event shapes at NNLO - Matteo Marcoli (University of Durham)
7:30 PM Workshop Dinner
Workshop Dinner
7:30 PM - 10:30 PM
Thursday, January 29, 2026
9:00 AM Joint Parallel: Physics Software&Computing and Detectors and Physics
9:00 AM - 10:30 AM
Room: Auditorium
Contributions

9:00 AM PandoraPFA in FCC - Rohan Sudarshan Rajagopalan

9:22 AM Machine learning based particle flow - Dolores Garcia (CERN)

9:44 AM Tau reconstruction - Laurits Tani (National Institute of Chemical Physics and Biophysics (EE))

10:06 AM Tips and tricks for designing good ML applications in HEP - Matti Mikael Mieskolainen (Helsinki Institute of Physics (HIP)) Matti Mikael Mieskolainen (CERN)
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
11:00 AM Joint Parallel: MDI and Physics Software&Computing and Detectors
11:00 AM - 12:30 PM
Room: Auditorium
Contributions

11:00 AM GuineaPig IPC status - Jan Eysermans (Massachusetts Inst. of Technology (US))

11:22 AM Detector TID and Fluences studies - Giuseppe Lerner (CERN)

11:44 AM Readiness of samples for background and DAQ studies - Giulia Nigrelli (Sapienza Universita, INFN-LNF, CERN)

12:06 PM Status of detector occupancy studies - Aimilianos Koulouris (CERN)
Parallel: Physics
11:00 AM - 12:30 PM
Room: Atlas room
Contributions

11:00 AM Resonant and Non-Resonant HH at FCC-hh - Paola Mastrapasqua (University of Notre Dame (US))

11:20 AM HHH study at FCC-hh - Tom Dingley (University of Oxford (GB))

11:40 AM Single Higgs Studies (ttH/tZZ, H rare) - Elena Mazzeo (CERN)

12:00 PM High Q2 probes for EFT - Louise Beriet
12:30 PM Lunch
Lunch
12:30 PM - 2:00 PM
2:00 PM Joint Parallel: Physics Software&Computing and Physics
2:00 PM - 4:04 PM
Room: Atlas room
Contributions

2:00 PM FCCAnalyses and distributed computing - Juraj Smiesko (CERN)

2:24 PM Web based sample browser - Marko Cechovic

2:48 PM Distributed Data Management in FCC - Giovanni Guerrieri (CERN)

3:12 PM Montecarlo Event Generators, status and wishes [cancelled] - Louis Portales (CEA Paris-Saclay, IRFU)

3:36 PM The FLARE orchestration tool - Cameron Harris
Parallel: Detectors: Calorimetry
Calorimetry
2:00 PM - 4:00 PM
Room: Auditorium
Contributions

2:00 PM TileCal (optical tiles) - remote - Mattia Soldani (CERN)

2:24 PM Liquified Noble Gas calorimetry - Zuchen Huang (Université Paris-Saclay (FR))

2:48 PM Optical calorimetry - Romualdo Santoro (Insubria University and INFN - MI)

3:12 PM Sandwich highly granular calorimeters with fully embedded electronics - Adrian Irles (IFIC CSIC/UV)

3:36 PM Calorimeter Electronics - Christophe De La Taille (OMEGA (FR))
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
4:30 PM Parallel: Detectors: Tracking and Vertexing
Tracking and Vertexing
4:30 PM - 6:30 PM
Room: Auditorium
Contributions

4:30 PM SciFi tracking developments for the FCC - Gauri Napoletano (EPFL - Ecole Polytechnique Federale Lausanne (CH))

4:50 PM Drift Chamber developments - Giovanni Francesco Tassielli (Università Mercatorum & INFN Lecce (IT))

5:10 PM Evaluation of a Straw-Chamber Prototype - Oliver Kortner (Max Planck Society (DE))

5:30 PM ARC RICH detector R&D progress - Roberta Cardinale (INFN e Universita Genova (IT))

5:50 PM TPC status update - Jochen Kaminski (Bonn University)

6:10 PM CMOS Silicon strips for large area tracking detectors - Ingrid-Maria Gregor (DESY & Bonn University)
Parallel: Physics
4:30 PM - 6:30 PM
Room: Atlas room
Contributions

4:30 PM Complete NLO SMEFT Electroweak Corrections to Higgs Decays - Clara Lavinia Del Pio (Brookhaven National Lab)

4:50 PM Constraining the SMEFT Extended with Sterile Neutrinos at FCC-ee - Patrick Bolton (INFN Trieste & SISSA) Patrick Bolton (Jožef Stefan Institute)

5:10 PM An EFT study of the pp→ttZ(ll)h(bb) process at the FCC-hh - Shilpi Jain (Tata Institute of Fundamental Research (IN))
Friday, January 30, 2026
9:00 AM Plenary session
9:00 AM - 10:30 AM
Room: Auditorium
Contributions

9:00 AM Plan and vision Physics Work Package - Patrizia Azzi (INFN Padova (IT))

9:34 AM Plan and vision: Detector Concepts Work Package - Mogens Dam (University of Copenhagen (DK))

9:53 AM Magnets: status and questions to detector concepts - Benoit Cure (CERN) Matthias Mentink (CERN)

10:12 AM Plan and vision: Physics Software and Computing Work Package - Brieuc Francois (CERN)
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
11:00 AM Plenary session
11:00 AM - 12:32 PM
Room: Auditorium
Contributions

11:00 AM Plan and vision: MDI Work Package - Manuela Boscolo (INFN e Laboratori Nazionali di Frascati (IT))

11:19 AM Plan and vision: EPOL Work Package - Eric Torrence (University of Oregon (US))

11:38 AM Latest FCC-hh physics projections - Birgit Stapf (CERN)

12:00 PM From TLEP proposal to FCC-ee recommendation - Alain Blondel (Centre National de la Recherche Scientifique (FR))

12:17 PM What comes after the ESG recommendation? - Patrick Janot (CERN)
12:32 PM Lunch
Lunch
12:32 PM - 2:00 PM