B--> K^* l^+ l^- decay in the two Higgs doublet model with flavor changing neutral currents

Abstract

We study the decay width, forward-backward asymmetry and the longitudinal lepton polarization for the exclusive decay B --> K^* l^+ l^- in the two Higgs doublet model with three level flavor changing neutral currents (model III) and analyse the dependencies of these quantities on the the selected parameters, ξ^{U,D}, of model III including the next to leading QCD corrections. It is found that to look for charged Higgs effects, the measurements of the branching ratio, forward-backward asymmetry and the longitudinal lepton polarization for the decay B --> K^* l^+ l^- are promising.

17 pages, 6 figures

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• Lepton polarization asymmetries for $B\to K^{\ast }{\ell }^{+}{\ell }^{-}$: A Model Independent approach
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• The CP asymmetry for B--> K^* l^+ l^- decay in the general two Higgs doublet model
• Polarized forward-backward asymmetries of lepton pair in $B\to K_1{\ell }^{+}{\ell }^{-}$ decay in the presence of New physics
• CP Asymmetry of $B\to X_s{l}^{+}{l}^{-}$ in Low Invariant Mass Region