Time Measurement System Prototype for BESⅢ TOF

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GUO Jian-Hua, LIU Shu-Bin, ZHOU Shi-Long, LIU Xiao-Hua and AN Qi. Time Measurement System Prototype for BESⅢ TOF[J]. Chinese Physics C, 2006, 30(8): 761-766.
GUO Jian-Hua, LIU Shu-Bin, ZHOU Shi-Long, LIU Xiao-Hua and AN Qi. Time Measurement System Prototype for BESⅢ TOF[J]. Chinese Physics C, 2006, 30(8): 761-766. shu
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Received: 2005-11-24
Revised: 2006-02-13
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Time Measurement System Prototype for BESⅢ TOF

    Corresponding author: LIU Shu-Bin,
  • Fast Electronics Lab of Modern Physics Department of USTC, Hefei 230026, China

Abstract: To meet the physics requirement, the time resolution of TOF (Time-of-flight) detector of the BESⅢ (Beijing Spectrometer Ⅲ) is required to be less than 90ps (rms), and the FEE (front end electronic) must contribute less than 25ps. This paper describes the prototype design of BESⅢ's TOF readout system (including time and amplitude measurement circuits).Preliminary results for prototypes of TOF front end electronics are given.

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