Hall-A库仑求和规则实验束流刻度

doi:10.3969/j.issn.0253-2778.2011.10.006

中国科学技术大学学报 ›› 2011, Vol. 41 ›› Issue (10): 878-882.DOI: 10.3969/j.issn.0253-2778.2011.10.006

Hall-A库仑求和规则实验束流刻度

闫新虎

1.中国科学技术大学近代物理系,安徽合肥 230026;2.黄山学院物理系,安徽黄山 245021

收稿日期:2010-12-05 修回日期:2011-02-17 出版日期:2011-10-31 发布日期:2011-10-31

Beam current calibration for Coulomb sum rule experiment in JLab Hall-A

YAN Xinhu

1.Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China; 2.Department of Physics, Huangshan University, Huangshan 245021, China

Received:2010-12-05 Revised:2011-02-17 Online:2011-10-31 Published:2011-10-31
Contact: YE Yunxiu
About author:YAN Xinhu, male, born in 1977, Phd. Research field: high energy physics. E-mail: yanxinhu@mail.ustc.edu.cn

摘要/Abstract

摘要： 在JLab的A大厅上的库仑求和规则(CSR)实验中，为了得到CSR实验所必需的电子对不同低温靶(氢,氦,碳,铁,铅)的散射截面，对束流监测器在不同的电流值(02,05,1,2,5,10,20,40,60 μA)进行了更好地刻度，以得到不同运动学参量下更精确的束流电荷.

关键词: 库仑求和规则, 束流电流监测器刻度, 束流电荷

Abstract: To obtain the cross section of electron scattering on different cryogenic targets (2H, 4He, 2C, 56Fe, 208Pb) for the Coulomb sum rule (CSR) measurement in JLab Hall-A, the beam current monitor (BCM) was calibrated more reliable than before at different current settings (02, 05, 1, 2, 5, 10, 20, 40, 60 μA) to determine the beam charge precisely at different kinematic settings.

Key words: Coulomb sum rule, BCM calibration, beam charge

闫新虎，叶云秀，吕海江，朱鹏佳. Hall-A库仑求和规则实验束流刻度[J]. 中国科学技术大学学报, 2011, 41(10): 878-882.

YAN Xinhu, YE Yunxiu, L Haijiang, ZHU Pengjia. Beam current calibration for Coulomb sum rule experiment in JLab Hall-A[J]. Journal of University of Science and Technology of China, 2011, 41(10): 878-882.

Hall-A库仑求和规则实验束流刻度

Beam current calibration for Coulomb sum rule experiment in JLab Hall-A

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