Lepton flavor violating signals of gauge bosons $Z^{\prime}$ at future $e^{+}e^{-}$ colliders

Details Lepton flavor violating signals of gauge bosons $Z^{\prime}$ at future $e^{+}e^{-}$ colliders Lepton flavor violating signals of gauge bosons $Z^{\prime}$ at future $e^{+}e^{-}$ colliders

2003-03-28

arxiv.org/abs/hep-ph/0303239v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex files, 11 pages and 4 figures

Scientific paper

Many models, such as topcolor-assisted technicolor (TC2) models and flavor-universal TC2 models, predict the existence of extra U(1) gauge bosons $Z^{\prime}$, which couple preferentially to the third generation. The lepton flavor violating (LFV) signals of these new particles at the future $e^{+}e^{-}$ colliders (LCs) are discussed via calculating its contributions to the LFV process $e^{+}e^{-}\to\mu\tau$. We calculate the cross section of this process and discuss its dependence on the beam polarization. The ratio of signal over square root of the background $(S/\sqrt{B})$ is also calculated. The results show that the LFV signals of the gauge bosons $Z^{\prime}$ may be detected at the future LC experiments.

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