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

from Monday, 16 June 2025 (08:00) to Thursday, 19 June 2025 (14:00)
Barcelona, Spain (UPF)

        : Sessions
    /     : Talks
        : Breaks
16 Jun 2025
17 Jun 2025
18 Jun 2025
19 Jun 2025
AM
09:00 Registration   (UPF)
09:20
Plenary 1 (Welcome and Introduction) (until 10:00) (UPF)
10:00
Plenary 2 (until 11:00) (UPF)
10:00 CEPC Accelerator: EDR Status and Beyond - Jie Gao   (UPF)
10:30 CEPC Physics/Detector overview: TDR status   (UPF)
11:00 --- Coffee Break ---
11:30
Plenary 2 (until 13:00) (UPF)
11:30 FCC Accelerator and Physics - Alain Blondel (DPNC Université de Genève)   (UPF)
12:00 Linear Collider vision at CERN - Jenny List   (UPF)
12:30 Construction of large infrastructure projects - Yifang Wang   (UPF)
09:00
Accelerator - Manuela Boscolo (INFN/LNF) (until 10:40) (UPF)
09:00 Recent Development of SRF Technologies Worldwide: Highlights from TTC2025 meeting at IRIS/IBS Korea (remotely) - Eiji Kako (KEK)   (UPF)
09:20 CEPC SRF development in EDR - Jiyuan ZHAI   (UPF)
09:40 CEPC cryogenic system optimization in EDR - Rui Ge (IHEP，CAS)   (UPF)
10:00 CEPC linac injector development in EDR - Jingru Zhang (IHEP)   (UPF)
10:20 High efficiency and high power klystron development in P-band and C-band in EDR - Zusheng Zhou (Institute of High Energy Physics(IHEP))   (UPF)
09:00
Detector (until 10:40) (UPF)
09:00 Mechanics of CEPC Calorimeter and Magnet - Yatian Pei   (UPF)
09:20 CEPC detector Installation and Integration - Quan Ji   (UPF)
09:40 ALICE 3 System construction and integration - Jian Liu   (UPF)
10:00 Alignment of the Interaction Region at FCC-ee (remotely) - Leonard Watrelot   (UPF)
09:00
Physics (until 10:40) (UPF)
09:00 EW Physics at the CEPC: White Paper Studies and recent progress - Hengne Li   (UPF)
09:20 Effective leptonic weak mixing angle determination at the Z resonance - Fulvio Piccinini   (UPF)
09:40 Verifying the resonance schemes of unstable particles at lepton colliders - Ui Min   (UPF)
10:00 Connecting scales: RGE effects in the SMEFT at the LHC and future colliders (remotely) - Alejo Rossia   (UPF)
10:20 The TeraZ mirage: new physics lost in blind directions (remotely) - Juan Carlos Criado   (UPF)
10:40 --- Coffee Break ---
11:10
Accelerator - Wei Lu (IHEP) (until 12:50) (UPF)
11:10 CEPC advanced instrumentation and feedback studies in EDR (remotely) - Yanfeng SUI (IHEP)   (UPF)
11:30 Beam diagnostics for FCCee (remotely) - Emily Rose Howling (Univ. of Oxford )   (UPF)
11:50 CEPC large scale and precision control system study in EDR (remotely) - Dapeng Jin (IHEP)   (UPF)
12:10 CEPC mechanical system development status in EDR (remotely) - Haijing Wang (IHEP)   (UPF)
12:30 CEPC large scale measurement, precision alignment and efficient installation studies in EDR (remotely) - xiaolong wang   (UPF)
11:10
Detector - Jingbo Ye (until 12:50) (UPF)
11:10 Readout Electronics for the CEPC Reference Detector - Wei Wei   (UPF)
11:30 CEPC Detector Readout Trigger System - Boping Chen (IHEP)   (UPF)
11:50 CEPC Detector Data Acquisition System - Xiaolu Ji (Institute of High Energy Physics, Chinese Academy of Sciences)   (UPF)
12:10 Determination of the Fluxes in the ILD calorimeters at the Circular Colliders - Vincent Boudry (LLR – CNRS, École polytechnique, Institut Polytechnique de Paris)   (UPF)
12:30 DRD7: status and plans - David Gascon   (UPF)
11:10
Physics (until 12:50) (UPF)
11:10 Status of CEPC Flavor Physics Studies: White Paper & recent progress - Manqi Ruan   (UPF)
11:30 Measuring charged-current leptonic B decays and CKM matrix elements (remotely) - Marco Fedele   (UPF)
11:50 Prospect for measurement of CP-violating observables in B0s→D∓sK± decays at a future Z factory - Ji Peng (IHEP)   (UPF)
12:10 Implications of a Tera-Z machine for "flavored" new physics (remotely) - Claudia Cornella   (UPF)
12:30 Prospects for semileptonic B decays, LFU tests, and LFV at LHCb - Ricardo Vazquez Gomez   (UPF)
09:00
Joint Session on MDI - Maria Enrica Biagini (until 11:00) (UPF)
09:00 CEPC MDI study status in EDR (remotely) - Sha Bai (IHEP)   (UPF)
09:17 Study Status of Beam Induced Background at the CEPC - Haoyu Shi   (UPF)
09:34 The coherent bremsstrahlung at the CEP - Krzysztof Piotrzkowski (AGH University)   (UPF)
09:51 Luminosity Detector at the CEPC - Suen Hou   (UPF)
10:08 FCCee MDI study progress status update (remotely) - Andrea Ciarma   (UPF)
10:25 FCC-ee HTS CCT magnet design proposal for the last final focus quadrupole and its cooled beam pipe (remotely) - Matthieu Marchand (LAPP)   (UPF)
10:42 Collimation studies for future circular colliders (remotely) - Giacomo Broggi (CERN)   (UPF)
09:00
Physics (until 11:00) (UPF)
09:00 Luminosity measurements and monitoring at CEPC - Lei Zhang   (UPF)
09:20 Thrust distribution in electron-positron annihilation at full NNNLL+NNLO (and beyond) in QCD - Giancarlo Ferrera   (UPF)
09:40 Top mass, width and Yukawa coupling (remotely) - Matteo Defranchis   (UPF)
10:00 Combined Higgs/top/EW fit - Eugenia Celada   (UPF)
10:20 Future collider constraints on top-quark operators - Marcos Miralles   (UPF)
10:40 Physics with the Large Hadron electron Collider LHeC - Armesto Perez   (UPF)
11:00 --- Coffee Break ---
11:30
Plenary 3 (until 13:00) (UPF)
11:30 Keynote physics: Why are these projects interesting?   (UPF)
12:00 Panel Discussions - Karl Jakobs Jenny List Tatsuya Nakada Alain Blondel (DPNC Université de Genève) Lydia Brenner Yifang Wang Nadia Pastrone   (UPF)
09:00
Plenary 4 (until 10:30) (UPF)
09:00 Future hadronic collider - General project - Martin Aleksa   (UPF)
09:30 Overview of magnet R&D progress - Luca Bottura   (UPF)
10:00 Quantum technologies for high energy physics - Michael Doser   (UPF)
10:30 --- Coffee Break ---
11:00
Plenary 4 (until 12:30) (UPF)
11:00 The LGAD Technology: from Concept to Implementation - Pablo Fernandez (CNM)   (UPF)
11:30 Environmental Issues - Samuel Calvet   (UPF)
12:00 What can a circular collider in the Z pole add to flavor factories - Nazila Mahmoudi   (UPF)
PM
13:00 --- Lunch Break ---
14:30
Accelerator - Jie Gao (until 16:30) (UPF)
14:30 Summary of eeFACT2025 and perspective for future e+e- circular collider - Yoshihiro Funakoshi (KEK)   (UPF)
14:50 CEPC collider ring lattice studies in EDR - Yiwei Wang (IHEP)   (UPF)
15:10 Luminosity monitoring and IP beam tuning - Philip Bambade ( IJClab)   (UPF)
15:30 CEPC collective effects on luminosities including collimators in EDR (remotely) - Na Wang (IHEP)   (UPF)
15:50 CEPC booster and damping ring studies in EDR - Dou Wang (IHEP)   (UPF)
16:10 APES development status - Yuan Zhang (IHEP, CAS)   (UPF)
14:30
Detector - Harald Fox (until 16:30) (UPF)
14:30 CEPC silicon vertex detector R&D - Zhijun Liang (IHEP)   (UPF)
14:50 CEPC silicon inner tracker and timing layer detector R&D - Yan Qi (IHEP)   (UPF)
15:10 FCC-ee Silicon Tracking Detector Overview - Attilio Andreazza (Milan U)   (UPF)
15:30 Belle II Vertex Detector Upgrade - Song Weimin (JLU)   (UPF)
15:50 Hightlights of DRD3.2 Hybrid Technologies Working Group - Leena Diehl (CERN)   (UPF)
16:10 4D LGAD Technologies and their Potential Applications in Future Lepton Colliders (remotely) - Matteo Centis Vignali (FBK)   (UPF)
14:30
Physics - Juergen Reuter (Deutsches Elektronen-Synchroton DESY) (until 16:30) (UPF)
14:30 Status of the high precision calculation study at the CEPC - Hao Zhang   (UPF)
14:50 Status of high precision calculations at e+e- colliders - Alan Price   (UPF)
15:10 Update on the multi-photon Monte Carlo event generator KKMCee - Zbigniew Was   (UPF)
15:30 High-precision calculations at e+e- colliders with MC@NLO and lepton PDFs - Giovanni Stagnitto   (UPF)
15:50 Feynman integral evaluation for 2- and 3-loop EW corrections with SeaSyde - Tommaso Armadillo   (UPF)
16:30 --- Coffee Break ---
17:00
Accelerator - Frank Zimmermann (until 19:00) (UPF)
17:00 Accelerator international collaborations in IN2p3/CNRS (remotely) - Angeles Faus-Golfe (IJCLab)   (UPF)
17:20 CEPC collider ring and booster magnets in EDR and industrial fabrication preparation - Wen Kang   (UPF)
17:40 CEPC vacuum system and mass production preparation studies in EDR - Yongsheng Ma (IHEP)   (UPF)
18:00 L-band cavity BPM tests and its application to CEPC - Soohyung Lee   (UPF)
18:20 Investigation on injection related beam loss at super KEK B - Meng Li   (UPF)
18:40 BEPCII-U and HEPS stauts (remotely) - Dr Daheng Ji (IHEP)   (UPF)
17:00
Detector - Mary-Cruz Fouz (until 19:00) (UPF)
17:00 CEPC TPC - Huirong Qi (Institute of High Energy Physics,CAS)   (UPF)
17:20 Drift Chamber - Mr Francesco Massimiliano Procacci (INFN Bari (Italy))   (UPF)
17:40 Muon gas detector : (M)RPC - Yi Wang   (UPF)
18:00 Muon gas detector: microwell - M. Poli Lener   (UPF)
18:20 Time layer: picosecond - Thomas Papaevangelou   (UPF)
18:40 SNW MPGD - Ralf Herten   (UPF)
17:00
Physics - Kirill Prokofiev (until 19:00) (UPF)
17:00 Higgs measurements with the CEPC Ref-TDR (remotely) - Yanping Huang   (UPF)
17:20 Status of Higgs theory predictions at e+e- colliders - Juergen Reuter (Deutsches Elektronen-Synchroton DESY)   (UPF)
17:40 Higgs to diphoton and photon performance at CEPC - Mohamed Reda Mekouar   (UPF)
18:00 W fusion measurements at the CEPC 360 GeV Runs - Taozhe YU   (UPF)
18:20 Higgs self coupling (remotely) - Victor Maura   (UPF)
12:50 --- Lunch Break ---
14:20
Accelerator - Concepción Oliver (CIEMAT ) (until 16:20) (UPF)
14:20 Status of Alba light source accelerator activities in Spain - Caterina Bisarri   (UPF)
14:40 CEPC SC CCT quadrupole design and development in EDR (remotely) - Yingshu Zhu (IHEP)   (UPF)
15:00 Comparison of Capture Systems Using Flux Concentrator and HTS Solenoid for the FCC-ee Positron Source (remotely) - Yuting WANG (IJCLab-CNRS)   (UPF)
15:20 IBS and High field HTS SC magnets study status - Qingjin Xu (IHEP)   (UPF)
15:40 PC machine protection and radiation environment studies in EDR - Guangyi Tang (IHEP, CAS, China)   (UPF)
16:00 Polarization studies in IJCLab (remotely) - Aurelien Martens (IJCLab)   (UPF)
14:20
Detector - Vincent Boudry (LLR – CNRS, École polytechnique, Institut Polytechnique de Paris) Haijun Yang (until 16:20) (UPF)
14:20 CEPC crystal - Jack Rolph   (UPF)
14:37 The status of the GS-HCAL (CEPC hadronic calorimeter) - Sen Qian   (UPF)
14:54 Hadronic Calorimeter (Scintillator and RPC based) - Haijun Yang   (UPF)
15:11 SiW-ECAL & Sc-ECAL - Vincent Boudry (LLR – CNRS, École polytechnique, Institut Polytechnique de Paris)   (UPF)
15:28 Dual Readout (IDEA, emphasis on ECAL) - Romualdo Santoro   (UPF)
15:45 ℓAr (ALLEGRO) - Filomena Sopkova (Charles University)   (UPF)
16:02 SDHCAL with MPGD - Luigi Longo   (UPF)
14:20
Physics (until 16:20) (UPF)
14:20 Status report of the CEPC New Physics Study - Xuai Zhuang   (UPF)
14:40 Heavy neutral Leptons at CEPC - Juergen Reuter (Deutsches Elektronen-Synchroton DESY)   (UPF)
15:00 Light scalar searches at lepton colliders - Tania Robens   (UPF)
15:20 Physics opportunities for light BSM Higgs bosons at e+e- colliders - Andreas Crivellin   (UPF)
15:40 Connection with gravitational waves - Huaike Guo   (UPF)
16:00 Potential search for direct slepton pair production in sqrt(s)=360 GeV at CEPC (remotely) - Jiarong Yuan   (UPF)
16:20 --- Coffee Break ---
16:50
Accelerator - Angeles Faus-Golfe (IJCLab) (until 18:50) (UPF)
16:50 Status of the HALHF project - Brian Foster (DESY/Oxford)   (UPF)
17:10 Positron acceleration in plasma accelerator - Wei Lu (IHEP)   (UPF)
17:30 IHEP plasma accelerator test facility development status - Dazhang Li (IHEP)   (UPF)
17:50 CEPC polarization studies in EDR - Zhe Duan (Institute of High Energy Physics, CAS)   (UPF)
18:10 Monochromization studies for FCCee (remotely) - Anna Korsun (IJCLab)   (UPF)
18:30 CEPC green accelerator technology development (remotely) - Jinshu Huang (IHEP)   (UPF)
16:50
Joint Simulation and Software session with detector group (until 18:50) (UPF)
16:50 Simulation and tracking for the reference detector - Tao Lin (IHEP)   (UPF)
17:10 Full simulation of the IDEA detector (remotely) - Armin Ilg   (UPF)
17:30 The ACTS software - Andreas Salzburger   (UPF)
17:50 CyberPFA for the CEPC reference detector - Sheng-Sen Sun (Institute of High Energy Physics, Chinese Academy of Sciences)   (UPF)
18:10 Global physics performance at the Ref-TDR - Mingshui Chen   (UPF)
18:30 Trilogy of event reconstruction at the future Higgs factory - Manqi Ruan   (UPF)
20:00 --- Social Event: Gala Dinner ---
13:00 --- Lunch Break ---
14:30 --- Social Event: free afternoon ---
12:30 --- Lunch Break ---