High Energy Physics - Phenomenology
[Submitted on 24 Feb 2003
]
Title: Signals of the Abelian Z' boson within the analysis of the LEP2 data
Title: LEP2数据分析中的阿贝尔Z'玻色子信号
Abstract: The preliminary LEP data on the e^+e^- -> l^+l^- scattering are analysed to establish a model-independent search for the signals of virtual states of the Abelian Z' boson. The recently introduced observables give a possibility to pick up uniquely the Abelian Z' signals in these processes. The mean values of the observables are in accordance with the Z' existence. However, the accuracy of the experimental data is deficient to detect the signal at more than the 1\sigma confidence level. The results of other model-independent fits and further prospects are discussed.
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