Analysis of the Factors that Influence the Time Resolution of TOF in BESⅢ Detector

LIU Ji-Guo; AN Qi

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2004, Vol. 28> Issue(11) : 1170-1175

Analysis of the Factors that Influence the Time Resolution of TOF in BESⅢ Detector

LIU Ji-Guo ^, ,
AN Qi

Depart.of Modern Physics,USTC,Hefei 230026,China

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Abstract：
In TOF measurement, the factors that can increase the time resolution include noise, amplitude measurement error, and the difference of pulse amplitudes and shapes. This article discusses how these factors affect time resolution, and performs quantitative analysis based on the GEANT4 simulation result of the BESⅢ's TOF detector. The result shows that the discriminator level must be selected carefully. To get better time resolution, pulse waveform digitizing is necessary.

References

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LIU Ji-Guo and AN Qi. Analysis of the Factors that Influence the Time Resolution of TOF in BESⅢ Detector[J]. Chinese Physics C, 2004, 28(11): 1170-1175.

LIU Ji-Guo and AN Qi. Analysis of the Factors that Influence the Time Resolution of TOF in BESⅢ Detector[J]. Chinese Physics C, 2004, 28(11): 1170-1175. shu

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Received: 2004-02-13
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Analysis of the Factors that Influence the Time Resolution of TOF in BESⅢ Detector

LIU Ji-Guo ^,
AN Qi

Corresponding author: LIU Ji-Guo,

Depart.of Modern Physics,USTC,Hefei 230026,China

Received Date: 2004-02-13
Accepted Date: 1900-01-01
Available Online: 2004-11-05

Abstract: In TOF measurement, the factors that can increase the time resolution include noise, amplitude measurement error, and the difference of pulse amplitudes and shapes. This article discusses how these factors affect time resolution, and performs quantitative analysis based on the GEANT4 simulation result of the BESⅢ's TOF detector. The result shows that the discriminator level must be selected carefully. To get better time resolution, pulse waveform digitizing is necessary.