Improving Touschek lifetime and synchrotron frequency spread by passive harmonic cavity in the storage ring of SSRF
Phimsen, T; Jiang, BC; Hou, HT; Tian, SQ; Zhang, MZ; Zhang, QL; Zhao, ZT
2017
发表期刊NUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
卷号28期号:8页码:-
文章类型期刊论文
摘要Beam lifetime of a synchrotron is dominated by Touschek scattering. In the beamline Phase II project of Shanghai synchrotron radiation facility, a passive third harmonic cavity is to be installed for bunch lengthening and instability suppressing. In this paper, the beam dynamics of the cavity is investigated. The parameters of passive operation are optimized to cancel the slope of RF voltage and lengthen the bunches. The Touschek lifetime increases are estimated for optimum and non-optimum voltage flattening. A tolerance of the operation is studied in case that there is a shift on detuning angle. The effect caused by reduction in harmonic voltage generated by lengthened bunch distribution is also estimated using iteration method. An increase in synchrotron frequency spread due to nonlinearity of the voltage giving to the bunch is found by using tracking simulation. This spread can help in damping coupled bunch instability through Landau damping.
关键词Hls-ii
DOI10.1007/s41365-017-0259-y
关键词[WOS]HLS-II
收录类别SCI
语种英语
WOS记录号WOS:000408789500002
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28692
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
GB/T 7714
Phimsen, T,Jiang, BC,Hou, HT,et al. Improving Touschek lifetime and synchrotron frequency spread by passive harmonic cavity in the storage ring of SSRF[J]. NUCLEAR SCIENCE AND TECHNIQUES,2017,28(8):-.
APA Phimsen, T.,Jiang, BC.,Hou, HT.,Tian, SQ.,Zhang, MZ.,...&Zhao, ZT.(2017).Improving Touschek lifetime and synchrotron frequency spread by passive harmonic cavity in the storage ring of SSRF.NUCLEAR SCIENCE AND TECHNIQUES,28(8),-.
MLA Phimsen, T,et al."Improving Touschek lifetime and synchrotron frequency spread by passive harmonic cavity in the storage ring of SSRF".NUCLEAR SCIENCE AND TECHNIQUES 28.8(2017):-.
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