Study of Beam Coupling Impedance and Beam Collective Effect in High Energy Photon Source

被引：0
|
作者：
Wang N. [1 ]
Xu H. [1 ]
Tian S. [1 ]
Duan Z. [1 ]
Li X. [1 ]
机构：
[1] Key Laboratory of Particle Acceleration Physics and Technology, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing
来源：
Yuanzineng Kexue Jishu/Atomic Energy Science and Technology | 2019年 / 53卷 / 09期
关键词：
Beam collective effect; Beam coupling impedance; High energy photon source; Intra-beam scattering; Ion effect;
D O I：
10.7538/yzk.2019.youxian.0170
中图分类号：
学科分类号：
摘要：
In the storage ring of high energy photon source (HEPS), due to the small vacuum chamber and high bunch intensity, the total beam coupling impedance remarkably increases and the beam collective effect becomes the key limit of the machine performance. In this paper, the element-by-element model of beam coupling impedance for HEPS storage ring was carried out based on analytical theory and numerical simulation program, and a systematic estimation on the possible beam collective effect was carried out. A reasonable impedance model was established. The instability threshold and the growth time were given, and the effective suppression method for the key instability was presented. © 2019, Editorial Board of Atomic Energy Science and Technology. All right reserved.
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页码：1601 / 1606
页数：5
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