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Higgs →μτ in Abelian and non-Abelian flavor symmetry models

par Heeck, Julian ;Holthausen, Martin;Rodejohann, Werner WR;Shimizu, Yusuke
Référence Nuclear physics. B, 896, page (281-310)
Publication Publié, 2015-07

Article révisé par les pairs

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Résumé :

We study lepton flavor violating Higgs decays in two models, with the recently found hint for Higgs→μτ at CMS as a benchmark value for the branching ratio. The first model uses the discrete flavor symmetry group A4, broken at the electroweak scale, while the second is renormalizable and based on the Abelian gauge group Lμ-Lτ. Within the models we find characteristic predictions for other non-standard Higgs decay modes, charged lepton flavor violating decays and correlations of the branching ratios with neutrino oscillation parameters.