Name: 2025 European Edition of the International Workshop on the Circular Electron-Positron Collider (CEPC), Barcelona, Spain
Start: 2025-06-16T08:00:00+00:00
End: 2025-06-19T14:10:00+00:00
Location: Barcelona, Spain

2025 European Edition of the International Workshop on the Circular Electron-Positron Collider (CEPC), Barcelona, Spain

from Monday, June 16, 2025 (8:00 AM) to Thursday, June 19, 2025 (2:10 PM)

Monday, June 16, 2025

9:00 AM Registration
Registration
9:00 AM - 9:20 AM
Room: UPF
9:20 AM
9:20 AM - 11:00 AM
Contributions

9:20 AM Welcome to the Workshop - Sebastian Grinstein (IFAE/ICREA)

9:25 AM Barcelona Science Hub - Andreu Mas-Colell

9:45 AM Welcome and Introduction to IFAE from the Director - Eugenio Coccia

10:00 AM CEPC Accelerator: EDR Status and Beyond - Jie Gao

10:30 AM CEPC Physics/Detector overview: TDR status - Jianchun Wang
11:00 AM Group Photo and Coffee Break
Group Photo and Coffee Break
11:00 AM - 11:30 AM
Room: UPF
11:30 AM
11:30 AM - 1:00 PM
Contributions

11:30 AM FCC Accelerator and Physics - Alain Blondel (DPNC Université de Genève)

12:00 PM Linear Collider vision at CERN - Jenny List (DESY)

12:30 PM Construction of large infrastructure projects - Yifang Wang
1:00 PM Lunch Break
Lunch Break
1:00 PM - 2:30 PM
2:30 PM 1
1
2:30 PM - 4:30 PM
Contributions

2:30 PM Summary of eeFACT2025 and perspective for future e+e- circular collider - Yoshihiro Funakoshi (KEK)

2:50 PM CEPC collider ring lattice studies in EDR - Yiwei Wang (IHEP)

3:10 PM Luminosity monitoring and IP beam tuning - Philip Bambade ( IJClab)

3:30 PM CEPC collective effects on luminosities including collimators in EDR (remotely) - Na Wang (IHEP)

3:50 PM CEPC booster and damping ring studies in EDR - Dou Wang (IHEP)

4:10 PM APES development status - Yuan Zhang (IHEP, CAS)
Silicon tracking detectors
Silicon tracking detectors
2:30 PM - 4:30 PM
Contributions

2:30 PM CEPC silicon vertex detector R&D - Zhijun Liang

2:50 PM CEPC silicon inner tracker and timing layer detector R&D (remotely) - Yan Qi (IHEP)

3:10 PM FCC-ee Silicon Tracking Detector Overview - Attilio Andreazza (Università di Milano and INFN)

3:30 PM Belle II Vertex Detector Upgrade (remotely) - Song Weimin (JLU)

3:50 PM Hightlights of DRD3.2 Hybrid Technologies Working Group - Leena Diehl (CERN)

4:10 PM 4D LGAD Technologies and their Potential Applications in Future Lepton Colliders (remotely) - Matteo Centis Vignali (FBK)
Theoretical calculations and tools for high-precision e+e- colliders
Theoretical calculations and tools for high-precision e+e- colliders
2:30 PM - 4:30 PM
Contributions

2:30 PM Status of the high precision calculation study at the CEPC - Hao Zhang

2:50 PM Status of high precision calculations at e+e- colliders - Alan Price

3:10 PM Update on the multi-photon Monte Carlo event generator KKMCee - Zbigniew Was

3:30 PM High-precision calculations at e+e- colliders with MC@NLO and lepton PDFs - Giovanni Stagnitto

3:50 PM Feynman integral evaluation for 2- and 3-loop EW corrections with SeaSyde - Tommaso Armadillo
4:30 PM Coffee Break
Coffee Break
4:30 PM - 5:00 PM
Room: UPF
5:00 PM 2
2
5:00 PM - 7:00 PM
Contributions

5:00 PM Accelerator international collaborations in IN2p3/CNRS (remotely) - Angeles Faus-Golfe (IJCLab)

5:20 PM CEPC collider ring and booster magnets in EDR and industrial fabrication preparation - Wen Kang

5:40 PM CEPC vacuum system and mass production preparation studies in EDR - Yongsheng Ma (IHEP)

6:00 PM L-band cavity BPM tests and its application to CEPC - Soohyung Lee

6:20 PM Investigation on injection related beam loss at super KEK B - Meng Li

6:40 PM BEPCII-U and HEPS stauts (remotely) - Daheng Ji (IHEP)
Gaseous Detectors
Gaseous Detectors
5:00 PM - 7:00 PM
Contributions

5:00 PM CEPC TPC - Huirong Qi (Institute of High Energy Physics,CAS)

5:20 PM Drift Chamber - Francesco Massimiliano Procacci (INFN Bari (Italy))

5:40 PM Muon gas detector : (M)RPC - Yi Wang

6:00 PM Muon gas detector: microwell - M. Poli Lener

6:20 PM PICOSEC Micromegas: A Scalable Solution for Precise Timing Applications - Alexandra Kallitsopoulou (CEA/IRFU/DEDIP/Université Paris-Saclay)

6:40 PM NSW MPGD - Ralf Hertenberger (LMU Muenchen Fakultaet fuer Physik)
Higgs
Higgs
5:00 PM - 7:00 PM
Contributions

5:00 PM Higgs measurements with the CEPC Ref-TDR - Yanping Huang

5:20 PM Status of Higgs theory predictions at e+e- colliders - Juergen Reuter (Deutsches Elektronen-Synchroton DESY)

5:40 PM Higgs to diphoton and photon performance at CEPC - Mohamed Reda Mekouar

6:00 PM W fusion measurements at the CEPC 360 GeV Runs - Taozhe YU

6:20 PM Higgs self coupling (remotely) - Victor Maura
Tuesday, June 17, 2025
9:00 AM 3
3
9:00 AM - 10:40 AM
Contributions

9:00 AM Recent Development of SRF Technologies Worldwide: Highlights from TTC2025 meeting at IRIS/IBS Korea (remotely) - Eiji Kako (KEK)

9:20 AM CEPC SRF development in EDR - Jiyuan ZHAI

9:40 AM CEPC cryogenic system optimization in EDR - Rui Ge (IHEP，CAS)

10:00 AM CEPC linac injector development in EDR - Jingru Zhang (IHEP)

10:20 AM High efficiency and high power klystron development in P-band and C-band in EDR - Zusheng Zhou (Institute of High Energy Physics(IHEP))
Infrastructure, System Integration (Mechanics, Magnet)
Infrastructure, System Integration (Mechanics, Magnet)
9:00 AM - 10:40 AM
Contributions

9:00 AM Mechanics of CEPC Calorimeter and Magnet - Yatian Pei

9:20 AM CEPC detector Installation and Integration - Quan Ji

9:40 AM ALICE ITS3 system integration and infrastructure considerations for ALICE 3 - Jian Liu Jian Liu (University of Liverpool)

10:00 AM Alignment of the Interaction Region at FCC-ee (remotely) - Leonard Watrelot

10:20 AM Mechanical design of CEPC VTX - Jinyu Fu
Electroweak, QCD and Top
Electroweak, QCD and Top
9:00 AM - 10:40 AM
Contributions

9:00 AM EW Physics at the CEPC: White Paper Studies and recent progress - Hengne Li (South China Normal University)

9:20 AM Effective leptonic weak mixing angle determination at the Z resonance - Fulvio Piccinini

9:40 AM Verifying the resonance schemes of unstable particles at lepton colliders - Ui Min

10:00 AM Connecting scales: RGE effects in the SMEFT at the LHC and future colliders (remotely) - Alejo Rossia

10:20 AM The TeraZ mirage: new physics lost in blind directions (remotely) - Juan Carlos Criado
10:40 AM Coffee Break
Coffee Break
10:40 AM - 11:10 AM
Room: UPF
11:10 AM 4
4
11:10 AM - 12:50 PM
Contributions

11:10 AM CEPC advanced instrumentation and feedback studies in EDR (remotely) - Yanfeng SUI (IHEP)

11:30 AM Beam diagnostics for FCCee (remotely) - Emily Howling (Univ. of Oxford (GB))

11:50 AM CEPC large scale and precision control system study in EDR (remotely) - Dapeng Jin (IHEP)

12:10 PM CEPC mechanical system development status in EDR (remotely) - Haijing Wang (IHEP)

12:30 PM CEPC large scale measurement, precision alignment and efficient installation studies in EDR (remotely) - xiaolong wang
TDAQ/Electronics
TDAQ/Electronics
11:10 AM - 12:50 PM
Contributions

11:10 AM Readout Electronics for the CEPC Reference Detector - Wei Wei

11:30 AM CEPC Detector Readout Trigger System - Boping Chen (IHEP)

11:50 AM CEPC Detector Data Acquisition System - Xiaolu Ji (Institute of High Energy Physics, Chinese Academy of Sciences)

12:10 PM Determination of the Fluxes in the ILD calorimeters at the Circular Colliders - Vincent Boudry (LLR – CNRS, École polytechnique, Institut Polytechnique de Paris)

12:30 PM DRD7: status and plans - David Gascon
Flavour
Flavour
11:10 AM - 12:50 PM
Contributions

11:10 AM Status of CEPC Flavor Physics Studies: White Paper & recent progress - Manqi RUAN (IHEP)

11:30 AM Measuring charged-current leptonic B decays and CKM matrix elements (remotely) - Marco Fedele

11:50 AM Prospect for measurement of CP-violating observables in B0s→D∓sK± decays at a future Z factory - Ji Peng (IHEP)

12:10 PM Implications of a Tera-Z machine for "flavored" new physics (remotely) - Claudia Cornella

12:30 PM Prospects for semileptonic B decays, LFU tests, and LFV at LHCb - Ricardo Vazquez Gomez
12:50 PM Lunch Break
Lunch Break
12:50 PM - 2:20 PM
2:20 PM 5
5
2:20 PM - 4:20 PM
Contributions

2:20 PM Status of Alba light source accelerator activities in Spain - Caterina Biscari (ALBA Synchrotron)

2:40 PM CEPC SC CCT quadrupole design and development in EDR (remotely) - Yingshu Zhu (IHEP)

3:00 PM Comparison of Capture Systems Using Flux Concentrator and HTS Solenoid for the FCC-ee Positron Source (remotely) - Yuting WANG (IJCLab-CNRS)

3:20 PM IBS and High field HTS SC magnets study status - Qingjin Xu (IHEP)

3:40 PM CEPC machine protection and radiation environment studies in EDR - Guangyi Tang (IHEP, CAS, China)

4:00 PM Polarization studies in IJCLab (remotely) - Aurelien Martens (IJCLab)
Calorimeter
Calorimeter
2:20 PM - 4:20 PM
Contributions

2:20 PM CEPC crystal - Jack Rolph

2:37 PM The status of the GS-HCAL (CEPC hadronic calorimeter) - Hengne Li (South China Normal University)

2:54 PM Hadronic Calorimeter (Scintillator and RPC based) - Haijun Yang

3:11 PM SiW-ECAL & Sc-ECAL - Vincent Boudry (LLR – CNRS, École polytechnique, Institut Polytechnique de Paris)

3:28 PM Dual readout calorimetry for the IDEA detector concept - Romualdo Santoro

3:45 PM ℓAr (ALLEGRO) - Filomena Sopkova (Charles University)

4:02 PM SDHCAL with MPGD (remotely) - Luigi Longo
BSM
BSM
2:20 PM - 4:20 PM
Contributions

2:20 PM Status report of the CEPC New Physics Study - Xuai Zhuang

2:40 PM Heavy neutral Leptons at CEPC - Juergen Reuter (Deutsches Elektronen-Synchroton DESY)

3:00 PM Light scalar searches at lepton colliders - Tania Robens

3:20 PM Physics opportunities for light BSM Higgs bosons at e+e- colliders - Andreas Crivellin

3:40 PM Connection with gravitational waves (remotely) - Huaike Guo

4:00 PM Potential search for direct slepton pair production in sqrt(s)=360 GeV at CEPC (remotely) - Jiarong Yuan
4:20 PM Coffee Break
Coffee Break
4:20 PM - 4:50 PM
Room: UPF
4:50 PM 6
6
4:50 PM - 6:50 PM
Contributions

4:50 PM Status of the HALHF project - Brian Foster (DESY/Oxford)

5:10 PM Positron acceleration in plasma accelerator - Wei Lu (IHEP)

5:30 PM IHEP plasma accelerator test facility development status - Dazhang Li (IHEP)

5:50 PM CEPC polarization studies in EDR - Zhe Duan (Institute of High Energy Physics, CAS)

6:10 PM Monochromization studies for FCCee (remotely) - Anna Korsun (IJCLab)

6:30 PM CEPC green accelerator technology development (remotely) - Jinshu Huang (IHEP)
4:50 PM - 6:50 PM
Contributions

4:50 PM The ACTS software - Andreas Salzburger

5:10 PM Full simulation of the IDEA detector (remotely) - Armin Ilg

5:30 PM Simulation and tracking for the reference detector - Tao Lin (IHEP)

5:50 PM CyberPFA for the CEPC reference detector - Sheng-Sen Sun (Institute of High Energy Physics, Chinese Academy of Sciences)

6:10 PM Global physics performance at the Ref-TDR (remotely) - Chenguang Zhang

6:30 PM Trilogy of event reconstruction at the future Higgs factory - Manqi RUAN (IHEP)
8:00 PM Social Event: Gala Dinner
Social Event: Gala Dinner
8:00 PM - 10:00 PM
Wednesday, June 18, 2025
9:00 AM
9:00 AM - 11:00 AM
Contributions

9:00 AM CEPC MDI study status in EDR (remotely) - Sha Bai (IHEP)

9:20 AM Study Status of Beam Induced Background at the CEPC - Haoyu Shi

9:40 AM The coherent bremsstrahlung at the CEPC - Krzysztof Piotrzkowski (AGH University)

10:00 AM FCCee MDI study progress status update (remotely) - Andrea Ciarma

10:20 AM FCC-ee HTS CCT magnet design proposal for the last final focus quadrupole and its cooled beam pipe (remotely) - Matthieu Marchand (LAPP) Matthieu Marchand (LAPP - IN2P3 - CNRS)

10:40 AM Collimation studies for future circular colliders (remotely) - Giacomo Broggi (CERN)
Electroweak, QCD and Top
Electroweak, QCD and Top
9:00 AM - 11:00 AM
Contributions

9:00 AM Top mass, width and Yukawa coupling (remotely) - Matteo Defranchis

9:20 AM Thrust distribution in electron-positron annihilation at full NNNLL+NNLO (and beyond) in QCD - Giancarlo Ferrera

9:40 AM Luminosity measurements and monitoring at CEPC - Lei Zhang (Nanjing University (CN))

10:00 AM Combined Higgs/top/EW fit - Eugenia Celada

10:20 AM Future collider constraints on top-quark operators - Marcos Miralles

10:40 AM Physics with the Large Hadron electron Collider LHeC - Armesto Perez
11:00 AM Coffee Break
Coffee Break
11:00 AM - 11:30 AM
Room: UPF
11:30 AM
11:30 AM - 1:00 PM
Contributions

11:30 AM Keynote physics: Why are these projects interesting? - Andrea Wulzer (ICREA@IFAE)

12:00 PM Panel Discussion - Alain Blondel (DPNC Université de Genève) Jenny List (DESY) Karl Jakobs Lydia Brenner Nadia Pastrone Tatsuya Nakada Yifang Wang
1:00 PM Lunch Break
Lunch Break
1:00 PM - 2:30 PM

2:30 PM Social Event: free afternoon
Social Event: free afternoon
2:30 PM - 6:30 PM
Thursday, June 19, 2025
9:00 AM
9:00 AM - 10:30 AM
Contributions

9:00 AM Future hadronic collider - General project - Martin Aleksa Martin Aleksa (CERN)

9:30 AM Overview of magnet R&D progress - Luca Bottura

10:00 AM Quantum technologies for high energy physics - Michael Doser (CERN, MIT, Oxford)
10:30 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
Room: UPF
11:00 AM
11:00 AM - 12:40 PM
Contributions

11:00 AM The LGAD Technology: from Concept to Implementation - Pablo Fernandez (CNM) Pablo Fernandez Martinez (IMB-CNM, CSIC) Pablo Fernández Martínez (IFAE)

11:30 AM Environmental Issues - Samuel Calvet (LPCA / IN2P3 / CNRS)

12:00 PM What can a circular collider in the Z pole add to flavor factories - Nazila Mahmoudi Nazila Mahmoudi (Lyon University)

12:30 PM Closing - Sebastian Grinstein (IFAE/ICREA)

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