Publicação:
Higgs flavor violation as a signal to discriminate models

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2015-11-12

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Springer

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Resumo

We consider the Higgs Lepton Flavor Violating process h -> tau mu, in which CMS found a 2.5 sigma excess of events, from a model independent perspective, and find that it is difficult to generate this operator without also obtaining a sizeable Wilson coefficient for the dipole operators responsible for tau radiative decay, constrained by BABAR to BR(tau -> mu gamma) < 4.4 x 10(-8). We then survey a set of representative models for new physics, to determine which ones are capable of evading this problem. We conclude that, should this measurement persist as a signal, type-III Two Higgs Doublet Models and Higgs portal-like models are favored, while SUSY and Composite Higgs models are unlikely to explain it.

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Inglês

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Journal Of High Energy Physics. New York: Springer, n. 11, 23 p., 2015.

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