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Title: CEPC booster design study

Abstract

In September 2012, Chinese scientists proposed a Circular Electron Positron Collider (CEPC) in China at 240 GeV center-of-mass energy for Higgs studies. The booster provides 120 GeV electron and positron beams to the CEPC collider for top-up injection at 0.1 Hz. The design of the full energy booster ring of the CEPC is a challenge. The ejected beam energy is 120 GeV and the injected beam energy is 6 GeV. Here in this paper we describe two alternative schemes, the wiggler bend scheme and the normal bend scheme. For the wiggler bend scheme, we propose to operate the booster ring as a large wiggler at low energy and as a normal ring at high energy to avoid the problem of very low dipole magnet fields. Finally, for the normal bend scheme, we implement the orbit correction to correct the earth field.

Authors:
 [1];  [2];  [2];  [2];  [2];  [2];  [2];  [2];  [3];  [4]
  1. Chinese Academy of Sciences (CAS), Beijing (China). Key Lab. of Particle Acceleration Physics and Technology, Inst. of High Energy Physics; Univ. of Chinese Academy of Sciences, Beijing (China)
  2. Chinese Academy of Sciences (CAS), Beijing (China). Key Lab. of Particle Acceleration Physics and Technology, Inst. of High Energy Physics
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Univ. of Geneva (Switzerland)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE; National Natural Science Foundation of China (NNSFC)
OSTI Identifier:
1417034
Grant/Contract Number:  
AC02-76SF00515; 2016YFA0400400; QYZDJ-SSW-SLH004
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
International Journal of Modern Physics A
Additional Journal Information:
Journal Volume: 32; Journal Issue: 34; Journal ID: ISSN 0217-751X
Publisher:
World Scientific
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; CEPC booster; lattice design; dynamic aperture; orbit correction

Citation Formats

Bian, Tianjian, Gao, Jie, Zhang, Chuang, Cui, Xiao-Hao, Wang, Yi-Wei, Bai, Sha, Su, Feng, Wang, Dou, Cai, Yun-Hai, and Koratzinos, Michael. CEPC booster design study. United States: N. p., 2017. Web. doi:10.1142/S0217751x17460095.
Bian, Tianjian, Gao, Jie, Zhang, Chuang, Cui, Xiao-Hao, Wang, Yi-Wei, Bai, Sha, Su, Feng, Wang, Dou, Cai, Yun-Hai, & Koratzinos, Michael. CEPC booster design study. United States. doi:10.1142/S0217751x17460095.
Bian, Tianjian, Gao, Jie, Zhang, Chuang, Cui, Xiao-Hao, Wang, Yi-Wei, Bai, Sha, Su, Feng, Wang, Dou, Cai, Yun-Hai, and Koratzinos, Michael. Sun . "CEPC booster design study". United States. doi:10.1142/S0217751x17460095.
@article{osti_1417034,
title = {CEPC booster design study},
author = {Bian, Tianjian and Gao, Jie and Zhang, Chuang and Cui, Xiao-Hao and Wang, Yi-Wei and Bai, Sha and Su, Feng and Wang, Dou and Cai, Yun-Hai and Koratzinos, Michael},
abstractNote = {In September 2012, Chinese scientists proposed a Circular Electron Positron Collider (CEPC) in China at 240 GeV center-of-mass energy for Higgs studies. The booster provides 120 GeV electron and positron beams to the CEPC collider for top-up injection at 0.1 Hz. The design of the full energy booster ring of the CEPC is a challenge. The ejected beam energy is 120 GeV and the injected beam energy is 6 GeV. Here in this paper we describe two alternative schemes, the wiggler bend scheme and the normal bend scheme. For the wiggler bend scheme, we propose to operate the booster ring as a large wiggler at low energy and as a normal ring at high energy to avoid the problem of very low dipole magnet fields. Finally, for the normal bend scheme, we implement the orbit correction to correct the earth field.},
doi = {10.1142/S0217751x17460095},
journal = {International Journal of Modern Physics A},
number = 34,
volume = 32,
place = {United States},
year = {Sun Dec 10 00:00:00 EST 2017},
month = {Sun Dec 10 00:00:00 EST 2017}
}

Journal Article:
Free Publicly Available Full Text
This content will become publicly available on December 10, 2018
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