Issues Related to CEPC e⁺/e⁻ Injection

Cai Meng, Jie Gao, Xiaoping Li, Guoxi Pei, Dou Wang, Jingru Zhang, Schaa, Volker R.W. (Ed.)
Circular Electron-Positron Collider (CEPC) is a 100 km ring collider as a Higgs factory. It consists of a double ring collider, a full energy booster, a Linac and several transport lines. The Linac is a normal conducting S-band and C-band linear accelerator and provide electron and positron beam at an energy up to 30 GeV with repetition frequency of 100 Hz. After a conventional positron source, there is a 1.1 GeV damping ring to reduce the emittance of positron beam. C-band accelerating
more » ... es are adopted to accelerate electron and positron beam from 1.1 GeV to 30 GeV. For Z mode, in order to obtain higher injection speed, the Linac operates in double-bunch acceleration mode. The physics design and dynamic simulation results of the Linac will be detailed present-ed in this paper.
doi:10.18429/jacow-eefact2022-thxat0102 fatcat:y5smxwvrd5f3xkrw2xfxl54n3i