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Luminosity monitoring and calibration of BLM
Xue Z(薛镇); Xue, Z; Xu, ZZ; Wang, XL; Hu, T; Wang, ZY; Fu, CD; Yan, WB; Lu, JG; Zhou, L; Cai, XA; Yu, BX; Fang, JA; Sun, XL; Shi, F; Wang, ZG; An, ZH; Sun, LJ; Liu, HB; Zhang, AW; Wang, XD; Xue Z(薛镇); Hu T(胡涛); Wang ZY(王至勇); Fu CD(傅成栋); Lv JG(吕军光); Zhou L(周莉); Cai X(蔡啸); Yu BX(俞伯祥); Fang J(方建); Sun XL(孙希磊); Shi F(石峰); Wang ZG(王志刚); An ZH(安正华); Sun LJ(孙丽君); Liu HB(刘宏邦); Zhang AW(章爱武); Wang XD(王晓东)
2011
发表期刊CHINESE PHYSICS C
卷号35期号:1页码:1-5
通讯作者Xue, Z (reprint author), Univ Sci & Technol China, High Energy Phys Lab, Dept Modern Phys, Hefei 230026, Peoples R China.
摘要The BEPC II Luminosity Monitor (BLM) monitors relative luminosity per bunch. The counting rates of gamma photons, which are proportional to the luminosities from the BLM at the center of mass system energy of the psi(3770) resonance, are obtained with a statistical error of 0.01% and a systematic error of 4.1%. Absolute luminosities are also determined by the BESIII End-cap Electro-Magnetic Calorimeter (EEMC) using Bhabha events with a statistical error of 2.3% and a systematic error of 3.5%. The calibration constant between the luminosities obtained with the EEMC and the counting rates of the BLM are found to be 0.84 +/- 0.03 (x10(26) cm(-2).count(-1)). With the calibration constant, the counting rates of the BLM can be scaled up to absolute luminosities.
文章类型Article
关键词luminosity luminosity monitor EEMC Bhabha scattering cross-section
学科领域Physics
DOI10.1088/1674-1137/35/1/001
收录类别SCI
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000286550800001
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225419
专题实验物理中心
粒子天体物理中心
推荐引用方式
GB/T 7714
Xue Z,Xue, Z,Xu, ZZ,et al. Luminosity monitoring and calibration of BLM[J]. CHINESE PHYSICS C,2011,35(1):1-5.
APA 薛镇.,Xue, Z.,Xu, ZZ.,Wang, XL.,Hu, T.,...&王晓东.(2011).Luminosity monitoring and calibration of BLM.CHINESE PHYSICS C,35(1),1-5.
MLA 薛镇,et al."Luminosity monitoring and calibration of BLM".CHINESE PHYSICS C 35.1(2011):1-5.
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