Name: Workshop on the Circular Electron-Positron Collider
Start: 2019-04-15T08:00:00+01:00
End: 2019-04-17T14:00:00+01:00
Location: Oxford

Workshop on the Circular Electron-Positron Collider

from Monday, 15 April 2019 (08:00) to Wednesday, 17 April 2019 (14:00)

Monday, 15 April 2019
08:30 PLENARY A
08:30 - 10:40
Room: Mary Ogilvie Lecture Theatre
Contributions

09:00 Introductions and goals - Daniela Bortoletto (University of Oxford (GB))

09:15 Physics Motivation - Matthew Philip Mccullough (CERN)

09:45 FCC Status - Alain Blondel (Universite de Geneve (CH))

10:15 CepC Machine - Jie Gao (Institute of High Energy Physics, China)
10:40 Coffee Break
Coffee Break
10:40 - 11:10
Room: Dining Hall St. Anne's College
11:10 PLENARY B
11:10 - 13:00
Room: Mary Ogilvie Lecture Theatre
Contributions

11:10 ILC Status - Marcel Stanitzki (Deutsches Elektronen-Synchrotron (DE))

11:40 CLIC STATUS - Aidan Robson (University of Glasgow (GB)) Jie Gao (Institute of High Energy Physics, China)

12:10 CepC- Detector & Physics - Joao Barreiro Guimaraes Da Costa (Chinese Academy of Sciences (CN))

12:35 CepC: CDR - Marcel Vos (IFIC Valencia (ES))
13:00 Lunch
Lunch
13:00 - 14:00
Room: Dining Hall
14:00 Accelerator 1
14:00 - 16:00
Room: Room 11
Contributions

14:00 CEPC collider ring - Yiwei WANG (IHEP) Yiwei Wang

14:24 CEPC booster and damping ring - DOU WANG (IHEP)

14:48 CEPC beambeam and DA with magnet error and orbit corrections - Yuan Zhang

15:12 CEPC linac injector - Jingru Zhang (IHEP)

15:36 CEPC Z-pole polaziation - zhe duan (institute of high energy physics, Chinese Academy of Sciences)
Detector R&D: Calorimeters
14:00 - 16:00
Room: Mary Ogilvie Lecture Theatre
Contributions

14:00 Ultra-granular ECAL R&D for CEPC - Zhigang Wang (Chinese Academy of Sciences (CN))

14:20 Ultra-granular HCAL R&D for CEPC - Yong Liu (IHEP (China)) Yong Liu (Unknown) Yong Liu (Chinese Academy of Sciences (CN))

14:40 Dual-Readout Calorimeter recent developments - Iacopo Vivarelli (University of Sussex (GB))

15:00 A Crystal Calorimeter option for CEPC - Chris Tully (Princeton University (US))

15:20 CMS HGCAL upgrade - Vito Palladino (Imperial College London (GB))

15:40 CALICE status report - Imad Laktineh (Centre National de la Recherche Scientifique (FR))
Precision measurements: Higgs and Electroweak
14:00 - 16:00
Room: Room 8
Contributions

14:00 HL-LHC Higgs physis - Marianna Testa (INFN e Laboratori Nazionali di Frascati (IT))

14:20 Higgs combination at CEPC - Kaili Zhang (IHEP)

14:40 Higgs to tautau at CEPC - Dan YU

14:55 EW measurement overview - Zhijun Liang (Chinese Academy of Sciences (CN))

15:15 WW threshold scan - Peixun Shen (NanKai University, China)

15:30 Theory requirements and possibilities for future high energy and precision frontier lepton colliders - Janusz Gluza (University of Silesia (PL))
Tools & Performance 1: Physics Objects I
Physics Objects I
14:00 - 16:00
Room: Room 10
Contributions

14:00 Full Silicon Tracking - Emilia Leogrande (CERN)

14:20 Fast Simulation Tracking - Franco Bedeschi (Universita & INFN Pisa (IT))

14:40 Machine Learning Tracking - Jean-Roch Vlimant (California Institute of Technology (US))

15:00 Particle Identification for Higgs Physics at CEPC - Wei-Ming Yao (Lawrence Berkeley National Lab. (US))

15:20 Particle Flow at IPNL - Bo Li

15:40 Shower simulation with ML - Sofia Vallecorsa
16:00 Tea Break
Tea Break
16:00 - 16:30
16:30 Accelerator 2
16:30 - 18:30
Room: Room 11
Contributions

16:30 CEPC plasma injector scheme - Dazang Li wei lu (tsinghua university)

16:54 DESY plasma accelerator - Jens Osterhoff (DESY)

17:18 INFN Dafne Test facility - Catia Milardi (INFN - LNF) Catia Milardi (Istituto Nazionale di Fisica Nucleare (INFN))

17:42 IHEP Superconducting Facility status: PAPS - YUNLONG CHI (IHEP, CAS)

18:06 CEPC radiation protection - Zhongjian Ma (Institute of High Energy Physics) Zhongjian Ma (Chinese Academy of Sciences (CN))
Beyond Standard Model I
16:30 - 18:30
Room: Room 8
Contributions

16:30 Future frontiers of precision Higgs physics - Ian Low (Argonne National Lab/Northwestern Univ)

17:10 Probing the scale of new physics at e+e- colliders - Hong-Jian He (Shanghai JiaoTong University)

17:30 Exotic Higgs decays - LianTao Wang (University of Chicago) Zhen Liu (U of Maryland)

17:50 Theory implications of a precision Higgs program - Christophe Grojean
Detector R&D: Trigger and DAQ
16:30 - 18:40
Room: Mary Ogilvie Lecture Theatre
Contributions

16:30 Introduction and overview - Dave Newbold (STFC Rutherford Appleton Laboratory (GB)) Zhen-An Liu (IHEP,Chinese Academy of Sciences (CN))

16:40 Update on FCCee TDAQ studies - Georgios Gerasimos Voutsinas (CERN)

17:00 Triggerless readout: LHCb - Mark Peter Whitehead (Rheinisch Westfaelische Tech. Hoch. (DE))

17:20 Triggerless readout: DUNE - Karol Hennessy (University of Liverpool (GB))

17:40 Front-end link developments - Jean-Pierre Cachemiche (Centre National de la Recherche Scientifique (FR))

18:00 Timing and control systems - David Cussans (University of Bristol (GB))

18:20 ATLAS FELIX system - William Panduro Vazquez (Royal Holloway, University of London)
Tools & Performance 2: Physics Objects II
Physics Objects II
16:30 - 18:30
Room: Room 10
Contributions

16:30 Calorimeter Reconstruction with ML - Jan Kieseler

16:50 Jet Calibration Techniques - Rosa Simoniello (Johannes Gutenberg Universitaet Mainz (DE))

17:10 b/c flavour identification with ML techniques - Loukas Gouskos

17:30 Jet Flavour Identification - Gang LI (Institute of high energy physics)

17:50 Tau Identification - Trevor Vickey (University of Sheffield (GB))

18:10 Physics benchmark with jets at CEPC - Manqi Ruan
18:45 Welcome reception
Welcome reception
18:45 - 19:30
Room: Danson Room

19:30 Dinner
Dinner
19:30 - 21:00
Room: Dining Hall
Tuesday, 16 April 2019
09:00 Accelerator 3
09:00 - 10:30
Room: Room 11
Contributions

09:00 CEPC booster magnets and injection/extraction hardwares - Wen Kang (Institute of High Energy Physics (IHEP))

09:20 CEPC collider ring magnets - Mei Yang (IHEP,CAS,China)

09:40 Dual aperture iron yoke SC quadrupole for Super Charm Tau Factory in Novosibirsk: 3D simulation and production plan - Ksenia Ryabchenko

10:00 CEPC vacuum system - Haiyi Dong
Detector R&D: Muon detectors
09:00 - 10:30
Room: Room 8
Contributions

09:00 Muon detector R&D based on scintillator strips technology - Xiaolong Wang

09:25 RPCs as muon detectors at an e+e- collider - Imad Laktineh (Centre National de la Recherche Scientifique (FR))

09:50 MPGD and muRWell for muon detection at an e+e- collider - Gianfranco Morello (INFN e Laboratori Nazionali di Frascati (IT))

10:15 4D Tracking Devices: Low Gain Avalanche Detectors - Sofia Otero Ugobono (Consejo Superior de Investigaciones Cientificas (CSIC) (ES))
Tools and Simulation - Physics common session
09:00 - 10:20
Room: Mary Ogilvie Lecture Theatre
Contributions

09:00 Jet clustering in ee collisions - Marcel Vos (IFIC Valencia (ES))

09:20 Whizard - Juergen Reuter Jürgen Reuter (DESY Hamburg, Germany)

09:40 Herwig - Johannes Bellm

10:00 Theory Uncertainties for Higgs Couplings at CEPC - Sven Heinemeyer
10:30 Coffee Break
Coffee Break
10:30 - 10:50
10:50 Accelerator 4
10:50 - 12:50
Room: Room 11
Contributions

10:50 CEPC high efficiency klystron - zusheng zhou (IHEP)

11:20 CEPC SCRF system - Peng Sha (IHEP)

11:50 High field high Q large grain rf cavity - Akira Yamamoto (High Energy Accelerator Research Organization (JP)) Akira Yamamoto (High Energy Accelerator Research Organization (JP))

12:20 CEPC cryogenic system - Shaopeng Li (Chinese Academy of Sciences, Beijing, P.R. China) Shaopeng Li (IHEP.CAS.CHINA)
Beyond Standard Model II
10:50 - 12:50
Room: Room 8
Contributions

10:50 Higgs decays to long lived particles - Sinead Farrington (University of Warwick (GB)) Sinead Farrington (University of Edinburgh)

11:10 Probing leptogenesis at future colliders - Juraj Klaric (University of Zagreb (HR))

11:30 Electroweak phase transition - Andrew Long (University of Michigan - LCTP)

11:50 Heavy resonances as a BSM interpretation of a potential Higgs to bb excess at the LHC (and beyond) - Stathes Paganis (National Taiwan University)
Detector R&D: Vertex Detectors
10:50 - 12:50
Room: Mary Ogilvie Lecture Theatre
Contributions

10:50 Characterisation of JadePix1 sensor - Hongbo Zhu (Chinese Academy of Sciences (CN))

11:10 Full size pixel chip for high-rate CEPC vertex detector - Wei Wei (IHEP, CAS, China) Wei Wei (Chinese Academy of Sciences (CN))

11:30 Status of ARCADIA project - Manuel Dionisio DA ROCHA ROLO (INFN) Manuel Dionisio Da Rocha Rolo (Universita e INFN Torino (IT))

11:50 HV-CMOS research for low-mass detectors - Joost Vossebeld (University of Liverpool (GB))

12:10 Mu3e ultra-low mass pixel detector mechanics - Kirk Arndt (University of Oxford (GB))

12:30 Low-mass vertex structures - Joel Goldstein (University of Bristol (GB))
Tools & Performance 4: Software session
Software session
10:50 - 13:00
Room: Room 10
Contributions

10:50 Computing challenges and infrastructure - Xiaomei Zhang (Chinese Academy of Sciences (CN)) xiaomei zhang (IHEP,Beijing)

11:15 LHC Computing Overview - Alessandro Di Girolamo (CERN)

11:40 The FCCSW software - Valentin Volkl (University of Innsbruck (AT))

12:05 The CEPC software and Simulation Framework - Tao Lin (Institute of High Energy Physics, CAS)

12:30 Discussion
13:00 Lunch
Lunch
13:00 - 14:00
Room: Dining Hall
14:00 Accelerator 5
14:00 - 16:00
Room: Room 11
Contributions

14:00 CEPC MD - Sha Bai (IHEP) Sha Bai

14:24 CEPC backgroud - Hongbo Zhu (Chinese Academy of Sciences (CN))

14:48 CEPC radiation protection - Zhongjian Ma (Institute of High Energy Physics) Zhongjian Ma (Chinese Academy of Sciences (CN))

15:12 CEPC instrumentation and feedback system - Junhui Yue

15:36 CEPC machanics system - Haijing Wang
Detector R&D: Tracker Detectors
14:00 - 16:00
Room: Mary Ogilvie Lecture Theatre
Contributions

14:00 Status of R&D for the Time projection chamber - Huirong Qi (IHEP) Huirong Qi (IHEP,CAS)

14:20 TPC technologies challenges - Paul Colas (CEA - Centre d'Etudes de Saclay (FR)) Paul Colas (CEA/Irfu) Paul Colas (Université Paris-Saclay (FR))

14:40 Drift chamber tracker design experiences - Francesco Grancagnolo (Universita & INFN Lecce (IT)) Francesco Grancagnolo

15:00 Detector design solutions for tracking in the CMS High-Lumi upgrade - Duccio Abbaneo (CERN)

15:20 ATLAS full silicon tracker design - Stephen Mcmahon (Science and Technology Facilities Council STFC (GB))

15:40 CMOS technology for large silicon tracker - Daniel Muenstermann (Lancaster University (GB))
Flavor physics
14:00 - 16:00
Room: Room 8
Contributions

14:00 Rare and forbidden decays (FCNC) and new physics - Wolfgang Altmannshofer (UC Santa Cruz)

14:20 Rare Z decays and lepton universality - Wolfgang Altmannshofer (UC Santa Cruz)

14:40 cLFV in tau decay on the Z pole - Emilie Passemar (Indiana University/JLab)

15:00 Light mesons from tau decays - Sergi Gonzales-Solis (Institute of Theoretical Physics, Beijing)

15:20 CKM from leptonic and semileptonic B/Bs/Bc/Lambda_b decays - Jérôme Charles (CPT Marseille)

15:40 Two-photo and ISR physics - Igor Boyko (Joint Institute for Nuclear Research (RU))
Tools & performance 5: Simulation
Simulation
14:00 - 17:15
Room: Room 10
Contributions

14:00 Full G4 detector simulation - Chengdong Fu (IHEP, CAS)

14:20 Calorimeter simulation - Zhaohang

14:40 Muon Simulation - Reham Aly

15:00 Fast Simulation of IDEA - Lorenzo Pezzotti (Universita and INFN (IT))

15:20 Particle Flow Simulation in CLIC - Matthias Arthur Weber Matthias Artur Weber (CERN)
16:00 Tea Break
Tea Break
16:00 - 16:20
16:20 Accelerator 6
16:20 - 18:20
Room: Room 11
Contributions

16:20 CECP civil engineering TDR design - Suyu Xiao (Chinese Academy of Sciences (CN))

16:50 CEPC Instatation, logistics and Projectwise coordination design platform - Lei Ye

17:20 SppC machine design in relation with CEPC - Xinkai Chen

17:50 SppC HTC magnets - Qingjin XU (IHEP)
Joint Session: Detector R&D and Tools & Performance
16:20 - 18:20
Room: Mary Ogilvie Lecture Theatre
Contributions

16:20 The IDEA detector concept performance - Roberto Ferrari (INFN Pavia (IT))

16:40 Performance of the CEPC Particle Flow Detector Concept - Manqi Ruan (Chinese Academy of Sciences (CN))

17:00 Performance of the CLIC-like detector for FCC-ee - Emilia Leogrande (CERN)

17:20 Summary of CEPC Calorimeter Workshop - Yong Liu

17:40 LumiCal Design and Challenges for Luminosity Measurement - Ivanka Bozovic-Jelisavcic (University of Belgrade (RS))

18:00 Summary of the Workshop Discussion on Software Tools - Biagio Di Micco (Universita' degli Studi di Roma Tre e Istituto Nazionale di Fisica Nucleare (INFN))
QCD Physics
16:20 - 18:20
Room: Room 8
Contributions

16:20 Soft gluon evolution beyond leading order - Dingyu Shao (CERN)

16:40 Exotic hadron and spectroscopy with heavy flavors - Marek Karliner (High Energy Physics Department)

17:00 Opportunity on charm at Z pole - Marek Karliner (High Energy Physics Department)

17:20 Top physics at e+e- colliders - Esteban Fullana Torregrosa (Univ. of Valencia and CSIC (ES))
19:30 Dinner
Dinner
19:30 - 21:00
Room: Dining Hall
Wednesday, 17 April 2019
08:30 Plenary C
08:30 - 10:30
Room: Mary Ogilvie Lecture Theatre
Contributions

08:30 Summary of PS1 (Physics) - Bill Murray (University of Warwick (GB))

09:00 Summary PS2 (Detector R&D) - Hongbo Zhu (Chinese Academy of Sciences (CN))

09:30 Summary PS3 (Accelerator R&D) - Brian Foster (University of Oxford (GB))

10:00 Summary PS4 (Tools & Performance) - Michele Selvaggi (CERN)
10:30 Coffee
Coffee
10:30 - 10:50
10:50 Plenary D & Round Table
10:50 - 13:00
Room: Mary Ogilvie Lecture Theatre
Contributions

10:50 Round Table

12:30 Conclusion - Nima Arkani-Hamed (IAS)
13:00 Lunch
Lunch
13:00 - 14:00