Lepton flavor violation in Higgs boson decays

Details Lepton flavor violation in Higgs boson decays Lepton flavor violation in Higgs boson decays

2005-11-22

arxiv.org/abs/hep-ph/0511253v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 1 figure. Proceeding for "Summer Institute 2005", August 11-18, 2005, Fuji-Yoshida, Japan

Scientific paper

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 $\tan\beta$ region where $\tan\beta$ is the ratio of vacuum expectation values of the two Higgs doublets. We show that measuring the LFV Higgs boson decays $h \to \tau^\pm \mu^\mp$ at future colliders can be useful to further constrain the LFV couplings especially in the relatively small $\tan\beta$ region.

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