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A semi-experimental method to determine the efficiency of tau tau ---> e mu (nu) event selection

Authors
  • Chen, Hong-Fang
  • Lue, Feng
  • Tong, Guo-Liang
  • Wu, Jian
  • Wu, Yi-Gen
  • Xu, Mian-Hai
  • Xu, Ming-Kang
  • Xu, Ya-Di
  • Ye, Shu-Wei
  • Yu, Yan-Hua
  • Zeng, Ji-Yang
  • Zhong, Chong-Chang
  • Zhu, Hong-Guo
Publication Date
Jan 01, 1994
Source
INSPIRE-HEP
Keywords
License
Unknown
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Abstract

The efficiency of event selection is an important parameter in the measurement of r lepton mass. In our study we use so-called semi-experimental method in which we combine M.C. events and experimental data. With this method the efficiency of selecting ττ → eμ(v) is obtained as (14.5±0.7±0.8)%, and various relevant corrections are discussed. The result is consistent with that derived from two-parameter fitting of τ-lepton mass.

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