Relative Likelihood and e/π Separation at BES

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Ye Shuwei, Chen Hongfang, Wu Jian, Zhang Ziping, Niu Hongquan, Xu Tong, Tong Guoliang, LV Feng, Li Yong, Zeng Jiyang, Wu Yigen, Yi Kai, Chen Xiangyang and Xu Mi. Relative Likelihood and e/π Separation at BES[J]. Chinese Physics C, 1995, 19(12): 1072-1077.
Ye Shuwei, Chen Hongfang, Wu Jian, Zhang Ziping, Niu Hongquan, Xu Tong, Tong Guoliang, LV Feng, Li Yong, Zeng Jiyang, Wu Yigen, Yi Kai, Chen Xiangyang and Xu Mi. Relative Likelihood and e/π Separation at BES[J]. Chinese Physics C, 1995, 19(12): 1072-1077. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Relative Likelihood and e/π Separation at BES

    Corresponding author: Ye Shuwei,
  • Department of Modern Physics, University of Science and Technology of China, Hefei 2300272 Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 1000393 Department of Physics, Hangzhou University, Hangzhou 310028

Abstract: On the basis of particle identification methods at BES, this paper proposes a so-called relative likelihood method. The method makes the most use of the information provided by the BES, and apparently improves the particle identification efficiency with lower misidentification compared with the simple cut method. With this method, several studies in τ physics were done and good results have been obtained.

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