Lepton flavor violation in Higgs boson decays
Abstract
We discuss lepton flavor violation (LFV) associated with tau leptons in the framework of the two-Higgs-doublet model. Current data for rare tau decays provide substantial upper limits on the LFV Yukawa couplings in the large β region where β is the ratio of vacuum expectation values of the two Higgs doublets. We show that measuring the LFV Higgs boson decays h τ μ at future colliders can be useful to further constrain the LFV couplings especially in the relatively small β region.
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