A prototype MRPC beam test for the BESⅢ ETOF upgrade

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SUN Yong-Jie, YANG Shuai, LI Cheng, QIAN Sen, XU Lai-Lin, FU Zai-Wei, HENG Yue-Kun, CHEN Hong-Fang, TANG Ze-Bo, SHAO Ming and LIU Huan-Huan. A prototype MRPC beam test for the BESⅢ ETOF upgrade[J]. Chinese Physics C, 2012, 36(5): 429-433. doi: 10.1088/1674-1137/36/5/008
SUN Yong-Jie, YANG Shuai, LI Cheng, QIAN Sen, XU Lai-Lin, FU Zai-Wei, HENG Yue-Kun, CHEN Hong-Fang, TANG Ze-Bo, SHAO Ming and LIU Huan-Huan. A prototype MRPC beam test for the BESⅢ ETOF upgrade[J]. Chinese Physics C, 2012, 36(5): 429-433.  doi: 10.1088/1674-1137/36/5/008 shu
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Received: 2011-08-26
Revised: 2011-12-02
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A prototype MRPC beam test for the BESⅢ ETOF upgrade

Abstract: A prototype multi-gap resistive plate chamber (MRPC) with a 2×6 gap structure is developed for the upgrading of the endcap time-of-flight (ETOF) detector in the Beijing Spectrometer (BESⅢ). The prototype MRPC is tested in the E3 beam line of the Beijing Electron Positron Collider (BEPC) with secondary charged particles (π and p, etc) of 600 MeV/c. The test results show that the time resolution of the MRPC can reach 50 ps and that the detection efficiency is greater than 98%.

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