A Semi-Experimental Method to Determine the Efficiency of Selecting ττ→eμ(v)

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Chen Hongfang, LV Feng, Tong Cuoliang, Wu Jian, Wu Yigen, Xu Mianhai, Xu Yadi, Xu Mingkang, Ye Shuwei, Yu Yankua, Zeng Jiyang, Zhong Chongchang and Zhu Hongguo. A Semi-Experimental Method to Determine the Efficiency of Selecting ττ→eμ(v)[J]. Chinese Physics C, 1994, 18(7): 577-582.
Chen Hongfang, LV Feng, Tong Cuoliang, Wu Jian, Wu Yigen, Xu Mianhai, Xu Yadi, Xu Mingkang, Ye Shuwei, Yu Yankua, Zeng Jiyang, Zhong Chongchang and Zhu Hongguo. A Semi-Experimental Method to Determine the Efficiency of Selecting ττ→eμ(v)[J]. Chinese Physics C, 1994, 18(7): 577-582. shu
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Received: 1900-01-01
Revised: 1900-01-01
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A Semi-Experimental Method to Determine the Efficiency of Selecting ττ→eμ(v)

    Corresponding author: Chen Hongfang,
  • Institute of High Energy Physics,Beijing 1000392 Department of modern physics,USTC, Hefei 2300263 Department,of Physics,Hangzhou Uniuersity, Zhejiang, 310028

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 selectingττ→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 τlepton mass.

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