Track reconstruction using the TSF method for the BESIII main drift chamber

Qiu Guang Liu, Shi Lei Zang, Wei Guo Li, Ze Pu Mao, Jian Ming Bian, Guo Fu Cao, Xue Xiang Cao, Shen Jian Chen, Zi Yan Deng, Cheng Dong Fu, Yuan Ning Gao, Kang Lin He, Miao He, Chun Fei Hua, Bin Huang, Xing Tao Huang, Xiao Bin Ji, Fei Li, Hai Bo Li, Wei Dong LiYu Tie Liang, Chun Xiu Liu, Huai Min Liu, Suo Liu, Ying Jie Liu, Qiu Mei Ma, Xiang Ma, Ya Jun Mao, Xiao Hu Mo, Ming Hua Pan, Cai Ying Pang, Rong Gang Ping, Gang Qin, Ya Hong Qin, Jin Fa Qiu, Sheng Sen Sun, Yong Zhao Sun, Ji Ke Wang, Liang Liang Wang, Shuo Pin Wen, Ling Hui Wu, Yu Guang Xie, Min Xu, Liang Yan, Zheng Yun You, Guo Wei Yu, Chang Zheng Yuan, Ye Yuan, Bing Yun Zhang, Chang Chun Zhang, Jian Yong Zhang, Xue Yao Zhang, Yao Zhang, Yang Heng Zheng, Ke Jun Zhu, Yong Sheng Zhu, Zhi Li Zhu, Jia Heng Zou

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We describe the algorithm to reconstruct the charged tracks for BESIII main drift chamber at BEPCII, including the track finding and fitting. With a new method of the Track Segment Finder (TSF), the results of present study indicate that the algorithm can reconstruct the charged tracks over a wide range of momentum with high efficiency, while improving the robustness against the background noise in the drift chamber. The overall performances, including spatial resolution, momentum resolution and secondary vertices reconstruction efficiency, etc. satisfy the requirements of BESIII experiment.

Original languageEnglish (US)
Pages (from-to)565-571
Number of pages7
JournalChinese Physics C
Volume32
Issue number7
DOIs
StatePublished - Jul 2008

Keywords

  • BESIII detector
  • Conformal transformation
  • Secondary vertex
  • Track reconstruction
  • Track segment finder

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