Charged Higgs on $B^{-} \to τ\barν_τ$ and $\bar B\to P(V) \ell \barν_{\ell}$

Details Charged Higgs on $B^{-} \to τ\barν_τ$ and $\bar B\to P(V) \ell \barν_{\ell}$ Charged Higgs on $B^{-} \to τ\barν_τ$ and $\bar B\to P(V) \ell \barν_{\ell}$

2006-08-15

arxiv.org/abs/hep-ph/0608166v3

JHEP0610:053,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 10 tables, typos corrected

Scientific paper

10.1088/1126-6708/2006/10/053

We study the charged Higgs effects on the decays of $B^{-} \to \tau \bar\nu_{\tau}$ and $\bar B\to P(V) \ell \bar\nu_{\ell}$ with $P=\pi^{+},D^{+}$ and $V=\rho^{+},D^{*+}$. We concentrate on the minimal supersymmetric standard model with nonholomorphic terms at a large $\tan\beta$. To extract new physics contributions, we define several physical quantities related to the decay rate and angular distributions to reduce uncertainties from the QCD as well as the CKM elements. With the constraints from the recent measurement on the decay branching ratio of $B^{-} \to \tau \bar\nu_{\tau}$, we find that the charged Higgs effects could be large and measurable.

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