RESULTS OF COSMIC RAY TESTS WITH THE BES MAIN DRIBT CHAMBER

MA Ji-Mao; MAO Hui-Shun; BAI Jing-Zhi; XIE Pei-Pei; YAN Jie; WANG Yao-Hui; LIU Rong-Guang; SONG Xiao-Fei; WU Zhen-Dong; FAN Qun

Chinese Physics C> 1989, Vol. 13> Issue(9) : 781-788

RESULTS OF COSMIC RAY TESTS WITH THE BES MAIN DRIBT CHAMBER

Institute of High Energy Physics,Academia Sinica,Beijing

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Abstract：
The structure of the BES main drift chamber and arrangement of cosmic ray tests have been described briefly,The main test results of the chamber performance have been given.There are S-T relations with good linearity in the cells.The spatial resolution of 210—240μm has been obtained for single wire.The energy resolution corresponding to 40 samples in the chamber is 8.7%.

References

[1]	马基茂等，“北京谱仪主漂移室”，1985年初稿，1987-88年修改.[2] 盛华义等，“北京谱仪漂移室读出电子学的研制”，第四届全国核电子学与核探测技术和第三届全国高能实验物理学术会议文集，1988年11月.[3] 吴为民等，“北京谱仪在线系统的电子学刻度”，同上.[4] 毛慧顺，高能物理与核物理，10(1986)，752.[5] 马基茂、毛慧顺、白景芝、谢佩佩、颜洁等，高能物理与核物理，11(1987)，441.[6] J. Vavra et al., "Energy loss measurement in a jet chamber", NIM 203(1982), 109-118.

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MA Ji-Mao, MAO Hui-Shun, BAI Jing-Zhi, XIE Pei-Pei, YAN Jie, WANG Yao-Hui, LIU Rong-Guang, SONG Xiao-Fei, WU Zhen-Dong and FAN Qun. RESULTS OF COSMIC RAY TESTS WITH THE BES MAIN DRIBT CHAMBER[J]. Chinese Physics C, 1989, 13(9): 781-788.

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Received: 1900-01-01
Revised: 1900-01-01

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