Time calibration for the end cap TOF system of BESⅢ

ZHAO Chuan; SUN Sheng-Sen; LI Cheng; ZHANG Xiao-Jie; HE Kang-Lin; AN Qi; CHEN Hong-Fang; DAI Hong-Liang; FENG Chang-Qing; HENG Yue-Kun; HUANG Ya-Qi; HUANG Yan-Ping; GUO Jian-Hua; LI Wei-Dong; LI Xiu-Rong; LIU Fang; LIU Huai-Min; LIU Shu-Bin; LIU Shu-Dong; LIU Yong; MA Xiang; MAO Ze-Pu; SHAO Ming; SUN Yong-Jie; SUN Zhi-Jia; WU Jin-Jie; YANG Gui-An; ZHAO Lei; ZHU Xing-Wang; ZUO Jia-Xu

doi:10.1088/1674-1137/35/1/015

Chinese Physics C> 2011, Vol. 35> Issue(1) : 72-78 DOI: 10.1088/1674-1137/35/1/015

Time calibration for the end cap TOF system of BESⅢ

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Abstract：
The time calibration for end cap TOF system of BESⅢ is studied in this paper. It has achieved about 110 ps time resolution for muons in dimu events. The pulse height correction using electronic scan curve and the predicted time calculated using Kalman filter method are introduced. This paper also describes the study of using electrons and muons as calibration samples.

References

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ZHAO Chuan, SUN Sheng-Sen, LI Cheng, ZHANG Xiao-Jie, HE Kang-Lin, AN Qi, CHEN Hong-Fang, DAI Hong-Liang, FENG Chang-Qing, HENG Yue-Kun, HUANG Ya-Qi, HUANG Yan-Ping, GUO Jian-Hua, LI Wei-Dong, LI Xiu-Rong, LIU Fang, LIU Huai-Min, LIU Shu-Bin, LIU Shu-Dong, LIU Yong, MA Xiang, MAO Ze-Pu, SHAO Ming, SUN Yong-Jie, SUN Zhi-Jia, WU Jin-Jie, YANG Gui-An, ZHAO Lei, ZHU Xing-Wang and ZUO Jia-Xu. Time calibration for the end cap TOF system of BESⅢ[J]. Chinese Physics C, 2011, 35(1): 72-78. doi: 10.1088/1674-1137/35/1/015

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Received: 2010-04-22
Revised: 2010-05-20

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沈阳化工大学材料科学与工程学院沈阳 110142

Time calibration for the end cap TOF system of BESⅢ

Received Date: 2010-04-22

Accepted Date: 2010-05-20

Available Online: 2011-01-05

Abstract: The time calibration for end cap TOF system of BESⅢ is studied in this paper. It has achieved about 110 ps time resolution for muons in dimu events. The pulse height correction using electronic scan curve and the predicted time calculated using Kalman filter method are introduced. This paper also describes the study of using electrons and muons as calibration samples.

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Time calibration for the end cap TOF system of BESⅢ

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