Chinese Physics C > 2006, Vol. 30 > Issue(10): 1001-1005

Effect of Light Transmission Characteristic of Scintillator on the Intrinsic Time Resolution of ETOF

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

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Abstract：
In order to find rational explanation to the experimental result and possible methods to improve the performance of End-cap Time-of-Flight detector (ETOF) in BESⅢ, the Monte Carlo simulation of the detector is carried out by using Geant4 software package. The simulation data of PMT signal and the time resolution of the ETOF are given. The simulation and data analysis are mainly focused on studying the effect of the light transmission characteristic in scintillator when particle hits different position and different thresholds of PMT signal are chosen. The study can make reference for the improvement of ETOF detector in BESⅢ.

References

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LI Xin, TANG Ze-Bo, CHEN Hong-Fang, LI Cheng and SHAO Ming. Effect of Light Transmission Characteristic of Scintillator on the Intrinsic Time Resolution of ETOF[J]. Chinese Physics C, 2006, 30(10): 1001-1005.

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Received: 2006-02-13
Revised: 2006-03-03

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沈阳化工大学材料科学与工程学院沈阳 110142

Effect of Light Transmission Characteristic of Scintillator on the Intrinsic Time Resolution of ETOF

Corresponding author:CHEN Hong-Fang,

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

Received Date:2006-02-13
Accepted Date:2006-03-03
Available Online:2006-10-05

Abstract:In order to find rational explanation to the experimental result and possible methods to improve the performance of End-cap Time-of-Flight detector (ETOF) in BESⅢ, the Monte Carlo simulation of the detector is carried out by using Geant4 software package. The simulation data of PMT signal and the time resolution of the ETOF are given. The simulation and data analysis are mainly focused on studying the effect of the light transmission characteristic in scintillator when particle hits different position and different thresholds of PMT signal are chosen. The study can make reference for the improvement of ETOF detector in BESⅢ.