BESIII barrel time-of-flight (TOF) calibration using cosmic ray data

Jie Yan, Sheng Sen Sun, Cheng Li, Kang Lin He, Qi An, Jian Ming Bian, Guo Fu Cao, Xue Xiang Cao, Hong Fang Chen, Zi Yan Deng, Chang Qing Feng, Cheng Dong Fu, Miao He, Yue Kun Heng, Bin Huang, Jian Hua Guo, Lu Kui Jia, Xiao Bin Ji, Wei Dong Li, Yu Tie LiangChun Xiu Liu, Huai Min Liu, Shu Bin Liu, Shu Dong Liu, Yong Liu, Tao Luo, Qiu Mei Ma, Xiang Ma, Ze Pu Mao, Xiao Hu Mo, Jin Fa Qiu, Ming Shao, Xiao Dong Sun, Yong Jie Sun, Yong Zhao Sun, Zhi Jia Sun, Hao Lai Tian, Ji Ke Wang, Shuo Pin Wen, Jin Jie Wu, Ling Hui Wu, Zhi Wu, Yu Guang Xie, Min Xu, Liang Yan, Gui An Yang, Ye Yuan, Chang Chun Zhang, Jian Yong Zhang, Yao Zhang, Chuan Zhao, Lei Zhao, Yong Sheng Zhu, Jia Heng Zou

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Abstract

The principle of the method for the BESIII TOF calibration using cosmic ray data without magnetic field are reported in this paper. After applying calibration constants, the single-end readout time resolution could reach about 150 ps, and the time resolution for one layer is achieved to be about 110 ps. The paper also described the extraction scheme for the event start time of cosmic events.

Original languageEnglish (US)
Pages (from-to)368-373
Number of pages6
JournalChinese Physics C
Volume34
Issue number3
DOIs
StatePublished - Apr 14 2010

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Keywords

  • Cosmic ray
  • Offline calibration
  • Time resolution
  • Time-of-flight detector

Cite this

Yan, J., Sun, S. S., Li, C., He, K. L., An, Q., Bian, J. M., Cao, G. F., Cao, X. X., Chen, H. F., Deng, Z. Y., Feng, C. Q., Fu, C. D., He, M., Heng, Y. K., Huang, B., Guo, J. H., Jia, L. K., Ji, X. B., Li, W. D., ... Zou, J. H. (2010). BESIII barrel time-of-flight (TOF) calibration using cosmic ray data. Chinese Physics C, 34(3), 368-373. https://doi.org/10.1088/1674-1137/34/3/012