Corrections to BESⅡ TOF Time and Its Resolution

PENG Hai-Ping; SHEN Xiao-Yan; LI Hai-Bo; ZHANG Zi-Ping; CHEN Hong-Fang; YE Shu-Wei

Chinese Physics C> 2002, Vol. 26> Issue(10) : 1078-1086

Corrections to BESⅡ TOF Time and Its Resolution

Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China2 Institute of High Energy Physics, CAS, Beijing 100039, China

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Abstract：
With the 58 million J/ψ data taken at BESⅡ in the last two years, a good particle identification (PID) becomes more important in data analyses. Since BESⅡ TOF is an important subsystem for PID, it is necessary to study TOF time and its resolution in detail. Using the 58 million J/ψ data we have studied the corrections for TOF time offset and its resolution, and finaly given out the correction result and PID efficiency.

References

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PENG Hai-Ping, SHEN Xiao-Yan, LI Hai-Bo, ZHANG Zi-Ping, CHEN Hong-Fang and YE Shu-Wei. Corrections to BESⅡ TOF Time and Its Resolution[J]. Chinese Physics C, 2002, 26(10): 1078-1086.

PENG Hai-Ping, SHEN Xiao-Yan, LI Hai-Bo, ZHANG Zi-Ping, CHEN Hong-Fang and YE Shu-Wei. Corrections to BESⅡ TOF Time and Its Resolution[J]. Chinese Physics C, 2002, 26(10): 1078-1086. shu

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Received: 2001-12-14
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

Corrections to BESⅡ TOF Time and Its Resolution

Corresponding author: PENG Hai-Ping,

Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China2 Institute of High Energy Physics, CAS, Beijing 100039, China

Received Date: 2001-12-14

Accepted Date: 1900-01-01

Available Online: 2002-10-05

Abstract: With the 58 million J/ψ data taken at BESⅡ in the last two years, a good particle identification (PID) becomes more important in data analyses. Since BESⅡ TOF is an important subsystem for PID, it is necessary to study TOF time and its resolution in detail. Using the 58 million J/ψ data we have studied the corrections for TOF time offset and its resolution, and finaly given out the correction result and PID efficiency.

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Corrections to BESⅡ TOF Time and Its Resolution

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