Document Type

Article

Department/Program

Physics

Journal Title

Physical Review D

Pub Date

2016

Volume

93

Issue

5

Abstract

CMS has reported indications (2.4 sigma) of the decay of the Higgs boson into mu tau. The simplest explanation for such a decay would be a general two-Higgs doublet model (2HDM). In this case, one would expect the heavy neutral Higgs bosons, H and A, to also decay in a similar manner. We study two specific models. The first is the type III 2HDM, and the second is a 2HDM, originally proposed by Branco et al., in which all flavor-changing neutral processes are given by the weak mixing matrix. In the latter model, since mixing between the second and third generations in the lepton sector is large, flavor-changing interactions are large. In this model, we find that the decays of H and A to mu tau can be as high as 60%.

DOI

10.1103/PhysRevD.93.055021

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