The Monte Carlo Simulation of BESⅢ Ead cap TOF

LI Xin; WU Chong; AN Shao-Hui; TANG Ze-Bo; CHEN Hong-Fang; LI Cheng

Chinese Physics C> 2005, Vol. 29> Issue(6) : 586-591

The Monte Carlo Simulation of BESⅢ Ead cap TOF

Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China

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Abstract：
The End-Cap TOF (ETOF) of Beijing Spectrometer (BESⅢ) consists of 2×48 pieces of trapezoidal scintillator (BC408). Its main physics goal is to realize the 2σ π/k separation at momentum up to 1GeV/c, and to obtain TOF intrinsic time resolution of 80ps.In order to study the effects of several factors on the intrinsic time resolution of ETOF, the Monte Carlo simulation of the detector is carried out by using Geant4 software package. The performance of ETOF at different conditions, such as scintillator covered materials, shapes, and particle hit positions, is simulated and discussed in discussed in detail. The result can provide a reference for the design of ETOF detecor in BESⅢ.

References

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LI Xin, WU Chong, AN Shao-Hui, TANG Ze-Bo, CHEN Hong-Fang and LI Cheng. The Monte Carlo Simulation of BESⅢ Ead cap TOF[J]. Chinese Physics C, 2005, 29(6): 586-591.

LI Xin, WU Chong, AN Shao-Hui, TANG Ze-Bo, CHEN Hong-Fang and LI Cheng. The Monte Carlo Simulation of BESⅢ Ead cap TOF[J]. Chinese Physics C, 2005, 29(6): 586-591. shu

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Received: 2004-09-17
Revised: 1900-01-01

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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

The Monte Carlo Simulation of BESⅢ Ead cap TOF

Corresponding author: LI Xin,

Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China

Received Date: 2004-09-17

Accepted Date: 1900-01-01

Available Online: 2005-06-05

Abstract: The End-Cap TOF (ETOF) of Beijing Spectrometer (BESⅢ) consists of 2×48 pieces of trapezoidal scintillator (BC408). Its main physics goal is to realize the 2σ π/k separation at momentum up to 1GeV/c, and to obtain TOF intrinsic time resolution of 80ps.In order to study the effects of several factors on the intrinsic time resolution of ETOF, the Monte Carlo simulation of the detector is carried out by using Geant4 software package. The performance of ETOF at different conditions, such as scintillator covered materials, shapes, and particle hit positions, is simulated and discussed in discussed in detail. The result can provide a reference for the design of ETOF detecor in BESⅢ.

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The Monte Carlo Simulation of BESⅢ Ead cap TOF

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