THE DESIGN AND CONSTRUCTION OF THE BARREL SHOWER COUNTER FOR BES

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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.
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. shu
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Received: 1900-01-01
Revised: 1900-01-01
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THE DESIGN AND CONSTRUCTION OF THE BARREL SHOWER COUNTER FOR BES

    Corresponding author: ZHOU Yue-Hua,
  • Institute of High Energy Physics,Academia Sinica,Beijing

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.

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