Effects of charged Higgs boson and QCD corrections in $\bar B \to D τ\barν_τ$
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We study effects of charged Higgs boson exchange in $\bar B \to D τ\barν_τ$. The Yukawa couplings of Model II of two-Higgs-doublet model, which has the same Yukawa couplings as MSSM, is considered. We evaluate the decay rate including next-to-leading QCD corrections and estimate uncertainties in the theoretical calculation. Our analysis will contribute to probe an extended Higgs sector at B factory experiments.
10 pages, 5 figures, Talk presented by T. Miura at 3rd Workshop on Higher Luminosity B Factory, August 6-7, 2002, Shonan, Japan
10 pages, 5 figures, Talk presented by T. Miura at 3rd Workshop on Higher Luminosity B Factory, August 6-7, 2002, Shonan, Japan