Measurement of the cross-section of single W boson production and the anomalous couplings on L3 experiment

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作者
Yang, Min [1 ]
Chen, GuoMing [1 ]
Yang, HaiJun [1 ]
Xiong, ZhaoHua [1 ]
Lu, YuSheng [1 ]
Chen, HeSheng [1 ]
机构
[1] Institute of High Energy Physics, Chinese Academy of Science, Beijing 100039, China
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Kao Neng Wu Li Yu Ho Wu Li/High Energy Physics and Nuclear Physics | 2000年 / 24卷 / 12期
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摘要
In this paper, the cross-sections of single W boson production e+e-->e-v over-bar e W+ and e+e-->e+ veW- were measured based on the data samples collected by the L3 detector in 1996 and 1997. The limits on the anomalous couplings of WWγ triple gauge boson are derived at 95% CL: -0.65 less than or equal Δκγ less than or equal 0.82 and -1.37 less than or equal λγ less than or equal 0.92. The results are consistent with the Standard Model predictions and no anomalous couplings are found.
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页码:1073 / 1080
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