| Lepton Flavor Violating Decays τ → μM in the 331 Model |
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| 引用本文： | 华天,岳崇兴.Lepton Flavor Violating Decays τ → μM in the 331 Model[J].理论物理通讯,2014(9). |
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| 作者姓名： | 华天 岳崇兴 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No.11275088;the Natural Science Foundation of the Liaoning Scientific Committee under Grant No.201102114;Foundation of Liaoning Educational Committee under Grant No.LT2011015 |
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| 摘 要： | Considering the experimental constraints on the free parameters of the 331 model with a leptonic sector consistent of five triplets, we investigate the lepton flavor violation(LFV) tau decays τ→μM with M = P and V,where P and V denote a pseudoscalar meson(π, η or η′) and a vector meson(ρ0, ω or φ), respectively. We find that the contributions of the 331 model to the LFV decays τ→μM mainly come from the new neutral gauge boson Z′. The 331 model considered in this paper can not make the values of the branching ratio Br(τ→μM) approach the corresponding experimental upper limits.
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