Measurement of the Cross-Section of Single W Boson Production and the Anomalous Couplings on L3 Experiment

YANG Min; CHEN GuoMing; YANG HaiJun; XIONG ZhaoHua; LU YuSheng; CHEN HeSheng

Chinese Physics C> 2000, Vol. 24> Issue(12) : 1073-1080

Measurement of the Cross-Section of Single W Boson Production and the Anomalous Couplings on L3 Experiment

Institute of High Energy Physics, The Chinese Academy of Science, Beijing 100039, China

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Abstract：
In this paper, the cross-sections of single W boson production e⁺e^－→e^－ν_e W⁺ and e⁺e^－→e⁺ν_e W^－ 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<△κγ <0.82 and －1.37<λγ <0.92. The results are consistent with the Standard Model predictions and no anomalous couplings are found.

References

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YANG Min, CHEN GuoMing, YANG HaiJun, XIONG ZhaoHua, LU YuSheng and CHEN HeSheng. Measurement of the Cross-Section of Single W Boson Production and the Anomalous Couplings on L3 Experiment[J]. Chinese Physics C, 2000, 24(12): 1073-1080.

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Received: 1999-12-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Measurement of the Cross-Section of Single W Boson Production and the Anomalous Couplings on L3 Experiment

Corresponding author: YANG Min,

Institute of High Energy Physics, The Chinese Academy of Science, Beijing 100039, China

Received Date: 1999-12-01

Accepted Date: 1900-01-01

Available Online: 2000-12-05

Abstract: In this paper, the cross-sections of single W boson production e⁺e^－→e^－ν_e W⁺ and e⁺e^－→e⁺ν_e W^－ 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<△κγ <0.82 and －1.37<λγ <0.92. The results are consistent with the Standard Model predictions and no anomalous couplings are found.

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Measurement of the Cross-Section of Single W Boson Production and the Anomalous Couplings on L3 Experiment

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