Upgrade on the Barrel Shower Counter at BES

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Zhou Li, Que Youkun, Cui Xiangzong, Fang Jian, Gu Weixin, HanShiweng, Hu Haiming, Huang Guangshun, Li Peiqin, Li Xinhua, Liu Yan, Mao Zepu, Qi Nading, Qi Xiangrong, Sun Hansheng, Wang Linzhou, Xiong Weijun, Xue Shengtina, Xu Zhijing, Yu Chunxu, Zhang Yu, Zhao Haiwen and Zhao Zhengguo. Upgrade on the Barrel Shower Counter at BES[J]. Chinese Physics C, 1999, 23(11): 1049-1053.
Zhou Li, Que Youkun, Cui Xiangzong, Fang Jian, Gu Weixin, HanShiweng, Hu Haiming, Huang Guangshun, Li Peiqin, Li Xinhua, Liu Yan, Mao Zepu, Qi Nading, Qi Xiangrong, Sun Hansheng, Wang Linzhou, Xiong Weijun, Xue Shengtina, Xu Zhijing, Yu Chunxu, Zhang Yu, Zhao Haiwen and Zhao Zhengguo. Upgrade on the Barrel Shower Counter at BES[J]. Chinese Physics C, 1999, 23(11): 1049-1053. shu
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Received: 1998-09-13
Revised: 1900-01-01
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Upgrade on the Barrel Shower Counter at BES

    Corresponding author: Zhou Li,
  • Institute of High Energy Physics, ne Chinese Academy of Sciences, Beijing 100039

Abstract: An upgrade has been Performed on the barrel shower counter at Beijing spectrometer to improve the Performance of this detector. For Bhabha events, the energy resolution is better than 21% √<span style="border-top: 1px solid; padding-top: 0px;">E</span>(E in GeV) and the spatial resolution along z axis is smaller than 3cm.

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