Lepton Flavor Violating $τ^- \to μ^- PP$ Decays in the Two Higgs Doublet Model III

Details Lepton Flavor Violating $τ^- \to μ^- PP$ Decays in the Two Higgs Doublet Model III Lepton Flavor Violating $τ^- \to μ^- PP$ Decays in the Two Higgs Doublet Model III

2010-03-07

arxiv.org/abs/1003.1433v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 3 figures

Scientific paper

In this paper, the lepton flavor violating $\tau^- \to \mu^-PP (PP=K^+K^-,K^0\bar{K}^0,\pi^+\pi^-,\pi^0\pi^0)$ decays are studied in the framework of the two Higgs doublet model(2HDM) III. We calculate these decays branching ratios and get the bounds of model parameter $|\lambda_{\tau\mu}|$ from the experimental upper limits. Our results show that, the neutral Higgs bosons have tree-level contributions to these decays. Among these decays, the $\tau^- \to \mu^- K^+K^-$ decay is most sensitive to $|\lambda_{\tau\mu}|$. In the existing parameters space, these decays could reach the measure capability of B factory. These processes can provide some valuable information to future research and furthermore present the reliable evidence to test the 2HDM III model.

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