Upgrade on the Barrel Shower Counter at BES

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; Zhao Zhengguo

Chinese Physics C> 1999, Vol. 23> Issue(11) : 1049-1053

Upgrade on the Barrel Shower Counter at BES

Institute of High Energy Physics, ne Chinese Academy of Sciences, Beijing 100039

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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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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.

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Received: 1998-09-13
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

Upgrade on the Barrel Shower Counter at BES

Corresponding author: Zhou Li,

Institute of High Energy Physics, ne Chinese Academy of Sciences, Beijing 100039

Received Date: 1998-09-13

Accepted Date: 1900-01-01

Available Online: 1999-11-05

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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Upgrade on the Barrel Shower Counter at BES

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