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A fast luminosity monitor for BEPC II
Xue, Z; Shan, Q; Xu, ZZ; Wang, XL; Wu, J; Wang, YG; Zhang, T; Hu, T; Cai, X; Wang, YF; Hu T(胡涛); Cai X(蔡啸); Wang YF(王贻芳)
2010
Source PublicationCHINESE PHYSICS C
Volume34Issue:4Pages:487-491
Corresponding Author[Xue Zhen ; Shan Qing ; Xu Zi-Zong ; Wang Xiao-Lian ; Wu Jian] Univ Sci & Technol China, Dept Modern Phys, High Energy Phys Lab, Hefei 230026, Peoples R China ; [Wang Yong-Gang ; Zhang Tao] Univ Sci & Technol China, Dept Modern Phys, Lab Fast Elect, Hefei 230026, Peoples R China ; [Xue Zhen ; Hu Tao ; Cai Xiao ; Wang Yi-Fang] CAS, Inst High Energy Phys, Beijing 100049, Peoples R China
SubtypeArticle
AbstractThe fast luminosity monitor counting the gamma photons above a given energy threshold emitted from radiative Bhabha scattering has been operated in the BEPC II to measure the relative luminosity bunch by bunch for the first time and used successfully in beam tuning of BEPC II. In the relative mode the monitor is able to deliver the relative luminosities with an accuracy of 0.8 %. By steering the electron beam while observing the counting rate changes of the monitor the horizontal and vertical sizes of the bunch spots can be estimated as: s(xe) + = s(xe) = 0.356 mm, s(ye) + = s(ye)- = 0.011 mm.
Keywordluminosity monitor radiative Bhabha relative luminosity background subtraction beam spot
Subject AreaPhysics
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Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000276679900013
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/237686
Collection院士
实验物理中心
加速器中心
中国科学院高能物理研究所_中国散裂中子源
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Xue, Z,Shan, Q,Xu, ZZ,et al. A fast luminosity monitor for BEPC II[J]. CHINESE PHYSICS C,2010,34(4):487-491.
APA Xue, Z.,Shan, Q.,Xu, ZZ.,Wang, XL.,Wu, J.,...&王贻芳.(2010).A fast luminosity monitor for BEPC II.CHINESE PHYSICS C,34(4),487-491.
MLA Xue, Z,et al."A fast luminosity monitor for BEPC II".CHINESE PHYSICS C 34.4(2010):487-491.
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