May 29, 2017 to June 2, 2017
Intercontinental Hotel
Europe/Zurich timezone
There is a live webcast for this event.

RF system design for the CEPC main ring

May 30, 2017, 8:30 AM
“Tiergarten I-II-III”

“Tiergarten I-II-III”

Board: 2TU04A


Jiyuan Zhai (IHEP)


CEPC is a 100 km double-ring circular electron positron collider operating at 90-240 GeV center-of-mass energy of Z-pole, WW pair production threshold and Higgs resonance. CEPC and its successor SPPC, a 100 TeV center-of-mass super proton-proton collider, will ensure the elementary particle physics a vibrant field for decades to come. To reduce the overall cost, partial double ring scheme was proposed as the alternative, which has a significant impact on the cavity operation and beam dynamics. The conceptual design report (CDR) of CEPC will be completed in the end of 2017 as an important step to move the project forward. In this talk, CEPC SRF system design and the progress of key technology R&D will be shown, including SRF staging scenarios in terms of RF power, key parameter choices and system configuration at different operation energies of both Main Ring and Booster, bunch train beam loading and phase shift compensation, coupled bunch instabilities and HOM coupler design, as well as high Q cavity, variable input coupler, tuner and cryomodule concepts.

Primary author


Baiqi Liu (IHEP (CN)) Carlo Pagani (University of Milano and INFN) Dianjun Gong (IHEP (CN)) Eiji Kako (KEK (JP)) Fanbo Meng (IHEP (CN)) Hongjuan Zheng (IHEP (CN)) Jie Gao (Institute of High Energy Physics, China) Peng Sha (IHEP (CN)) Qiang Ma (IHEP (CN)) Robert Alan Rimmer Ruixiong Han (IHEP (CN)) Song JIN Xinying Zhang (IHEP (CN)) Yunlong Chi (IHEP (CN)) Zhenghui Mi (IHEP (CN))

Presentation materials