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Flavor-changing leptonic decays of heavy Higgs bosons
Sher, Marc Thrasher, Keith
Sher, Marc
Thrasher, Keith
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%.
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2016-01-01
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Physics
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https://doi.org/10.1103/PhysRevD.93.055021