THE DESIGN AND CONSTRUCTION OF THE BARREL SHOWER COUNTER FOR BES

ZHOU Yue-Hua; LU Chang-Guo; GU Wei-Xin; LU Wei-Da; QUE You-Kun; LI Pei-Qin; HAO Wei; ZHOU Li; ZHU Guo-Sheng; ZHENG Xiao-Ming; CHENG Wen-Jun

Chinese Physics C> 1989, Vol. 13> Issue(11) : 973-979

THE DESIGN AND CONSTRUCTION OF THE BARREL SHOWER COUNTER FOR BES

Institute of High Energy Physics,Academia Sinica,Beijing

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Abstract：
The design and construction details of the barrel shower counter for BES are discussed.The barrel shower counter is cylinderical,of 2.5m inner diameter,3.4m outer diameter and 3.85m length,constructed on an aluminum spool of 2.5m diameter,3 cm thickness and 4.23m length.There are 23 layers of lead (0.5r.l. as an absorber) and 24 layers of selfquenching streamer (SQS) tubes.The total weight of the counter is 40,000kg and 80% of 4π sr soild angle coverage.

References

[1]

马金源等，高能物理与核物理，7(1983)，681.[2] 马金源等，高能物理与核物理，8(1984)，142.[3] 马金源等，高能物理与核物理，8(1984)，261.[4] 陆昌国等，高能物理与核物理，9(1985)，397.[5] 一室BSC组与电子学室BSC电子学读出组，高能物理与核物理，11(1987)，327.[6] Lu Changguo et al., NIM A260(1987), 318.[7] 郝伟，北京谱仪BSC 1:1全长模型在线侧试(硕士论文),1987.[8] 朱国胜，关于BES簇射计数器的几个问题(硕士论文)，1987.[9] BSC组，BSC的物理设计(内部资料)，1984.[10] Walter Toki et al., NIM 219(1984), 479

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ZHOU Yue-Hua, LU Chang-Guo, GU Wei-Xin, LU Wei-Da, QUE You-Kun, LI Pei-Qin, HAO Wei, ZHOU Li, ZHU Guo-Sheng, ZHENG Xiao-Ming and CHENG Wen-Jun. THE DESIGN AND CONSTRUCTION OF THE BARREL SHOWER COUNTER FOR BES[J]. Chinese Physics C, 1989, 13(11): 973-979.

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

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沈阳化工大学材料科学与工程学院沈阳 110142

THE DESIGN AND CONSTRUCTION OF THE BARREL SHOWER COUNTER FOR BES

Corresponding author: ZHOU Yue-Hua,

Institute of High Energy Physics,Academia Sinica,Beijing

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-11-15

Abstract: The design and construction details of the barrel shower counter for BES are discussed.The barrel shower counter is cylinderical,of 2.5m inner diameter,3.4m outer diameter and 3.85m length,constructed on an aluminum spool of 2.5m diameter,3 cm thickness and 4.23m length.There are 23 layers of lead (0.5r.l. as an absorber) and 24 layers of selfquenching streamer (SQS) tubes.The total weight of the counter is 40,000kg and 80% of 4π sr soild angle coverage.