Method for improving the time resolution of TOF system

LI Shao-Li; HENG Yue-Kun; ZHAO Tian-Chi; FU Zai-Wei; LIU Shu-Lin; QIAN Sen; LIU Shu-Dong; CHEN Xiao-Hui; JIA Ru; HUANG Guo-Rui; LEI Xiang-Cui

doi:10.1088/1674-1137/37/1/016003

Chinese Physics C> 2013, Vol. 37> Issue(1) : 016003 DOI: 10.1088/1674-1137/37/1/016003

Method for improving the time resolution of TOF system

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Abstract：
In order to study the possibility of improving the timing performance of the time of flight (TOF) systems, which are made of plastic scintillator counters, and read out by photomultiplier tubes (PMT) with mesh dynodes and conventional electronics, we have conducted a study using faster PMTs and ultra fast waveform digitizers to read out the plastic scintillators. Different waveform analysis methods are used to calculate the time resolution of such a system. Results are compared with the conventional discriminating method based on a threshold and pulse height. Our tests and analysis show that significant timing performance improvements can be achieved by using this new system.

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LI Shao-Li, HENG Yue-Kun, ZHAO Tian-Chi, FU Zai-Wei, LIU Shu-Lin, QIAN Sen, LIU Shu-Dong, CHEN Xiao-Hui, JIA Ru, HUANG Guo-Rui and LEI Xiang-Cui. Method for improving the time resolution of TOF system[J]. Chinese Physics C, 2013, 37(1): 016003. doi: 10.1088/1674-1137/37/1/016003

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Received: 2012-02-28
Revised: 2012-05-07

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Method for improving the time resolution of TOF system

Corresponding author: LI Shao-Li,

Corresponding author: HENG Yue-Kun,

Received Date: 2012-02-28

Accepted Date: 2012-05-07

Available Online: 2013-01-05

Abstract: In order to study the possibility of improving the timing performance of the time of flight (TOF) systems, which are made of plastic scintillator counters, and read out by photomultiplier tubes (PMT) with mesh dynodes and conventional electronics, we have conducted a study using faster PMTs and ultra fast waveform digitizers to read out the plastic scintillators. Different waveform analysis methods are used to calculate the time resolution of such a system. Results are compared with the conventional discriminating method based on a threshold and pulse height. Our tests and analysis show that significant timing performance improvements can be achieved by using this new system.

Method for improving the time resolution of TOF system

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通讯作者: 陈斌, bchen63@163.com

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