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Physics design of collimators to reduce lost particle background at the CEPC
Yue T(岳腾); Xiu QL(修青磊); Wang YW(王毅伟); Duan Z(段哲); Qin Q(秦庆); Yue, T; Xiu, QL; Wang, YW; Duan, Z; Qin, Q
2016
发表期刊CHINESE PHYSICS C
卷号40期号:11
通讯作者岳腾
文章类型Article
摘要At the CEPC (Circular Electron Positron Collider), which is proposed by the Chinese high energy physics community, the dominant background comes from radiative Bhabha scattering and the beamstrahlung effect according to preliminary research. Therefore, it is necessary to incorporate a collimator system to intercept particles that may be lost near the interaction region (IR). In this paper, we introduce some limitations in choosing the position and width of the collimators. A certain parameter range is determined which is confined by the beta function and the width of the collimators. A suitable choice of the half width is made by exploring this parameter range. A simulation of the particle loss rate in the IR and the hit density in the vertex detector with and without the collimators shows that the set of parameters of the collimators we designed is appropriate and effective.
关键词CEPC lost particle background collimator
DOI10.1088/1674-1137/40/11/117001
语种英语
WOS记录号WOS:000389144400025
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260592
专题加速器中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Yue T,Xiu QL,Wang YW,et al. Physics design of collimators to reduce lost particle background at the CEPC[J]. CHINESE PHYSICS C,2016,40(11).
APA 岳腾.,修青磊.,王毅伟.,段哲.,秦庆.,...&Qin, Q.(2016).Physics design of collimators to reduce lost particle background at the CEPC.CHINESE PHYSICS C,40(11).
MLA 岳腾,et al."Physics design of collimators to reduce lost particle background at the CEPC".CHINESE PHYSICS C 40.11(2016).
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