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Paper detail

B -> D(*) Tau Nu decays in two-Higgs-doublet models

A sizable excess with respect to the SM expectation has been reported recently by the BaBar collaboration in the decay rates B -> D(*) Tau Nu, normalized by the corresponding light lepton modes. A violation of lepton flavor universality as suggested by this excess could be due to a charged Higgs mediating these processes at tree level. In this talk we analyze the implications of the observed excess within the framework of two-Higgs-doublet models, considering also the bounds from other semileptonic and leptonic decays of B and D(s) mesons. Prospects for B -> D(*) Tau Nu decays at future Super-Flavor Factories are also discussed.

preprint2013arXivOpen access
Alejandro CelisMartin JungXin-Qiang LiAntonio Pich
hep-exhep-ph
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Alejandro CelisMartin JungXin-Qiang LiAntonio Pich

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