Single W Boson Production at √s = 189 GeV
YANG Hai-Jun, CHEN Guo-Ming, YANG Min, XIONG Zhao-Hua, LU Liang, LU Yu-Sheng, CHEN He-Sheng, TANG Xiao-Wei, Martin Pohl* , JIN Bing-Nian*
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039
* Swiss Federal Institute of Technology, Zurich, Switzerland
Single W Boson Production at √s = 189 GeV
YANG Hai-Jun;CHEN Guo-Ming;YANG Min;XIONG Zhao-Hua;LU Liang;LU Yu-Sheng;CHEN He-Sheng;TANG Xiao-Wei;Martin Pohl* ;JIN Bing-Nian*
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039
* Swiss Federal Institute of Technology, Zurich, Switzerland
关键词 ：
12.10.Kt ,
13.38.Be ,
13.65.+i ,
25.60.Dz
Abstract ： Single W boson production is analyzed in a data sample collected by L3 detector at Large Electron Positron Collider in 1998. The integrated luminosity is 176.4pb-1 with center-of-mass energy at √s = 189GeV. The signal consists of large missing energy final states with a single energetic lepton or two hadronic jets. The total cross section of single W production is measured to be 0.58 ± 0.13 ± 0.04pb, in good agreement with standard nmodel prediction. From this measurement, the limits on the anomalous γWW triplegauge-boson couplings are derived at 95% confidence level: -0.48<Δκγ < 0.38 and -0.50 < λγ < 0.41 .
Key words ：
12.10.Kt
13.38.Be
13.65.+i
25.60.Dz
出版日期: 2000-04-01
引用本文:
YANG Hai-Jun;CHEN Guo-Ming;YANG Min;XIONG Zhao-Hua;LU Liang;LU Yu-Sheng;CHEN He-Sheng;TANG Xiao-Wei;Martin Pohl*;JIN Bing-Nian*
. Single W Boson Production at √s = 189 GeV[J]. 中国物理快报, 2000, 17(4): 258-260.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2000/V17/I4/258
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