Exclusive B --> K^* l^+ l^-$ decay in the three Higgs doublet model

Abstract

We study the differential Branching ratio and CP asymmetry for the exclusive decay B --> K^* l^+ l^- in the three Higgs doublet model with additional global O(2) symmetry in the Higgs sector. We analyse dilepton mass square q^2 dependency of the these quantities. Further, we study the effect of new parameter of the global symmetry in the Higgs sector on the differential branching ratio and CP asymmetry. We see that there exist an enhancement in the branching ratio and a considerable CP violation for the relevant process. In addition to this, we realize that fixing dilepton mass gives information about the sign of the Wilson coefficient C_7^{eff}.Therefore, the future measurements of the CP asymmetry for B\to K^* l^+ l^- decay will give a powerful information about the sign of Wilson coefficient C_{7}^{eff} and new physics beyond the SM.

19 pages, 6 figures

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Cited by in corpus (6)

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• B --> K^* τ^+ τ^- decay in the general two Higgs doublet model including the neutral Higgs boson effects
• B_s ---> γγdecay in the model III and 3HDM(O_2) with CP violating effects
• CP violation in the inclusive b -> s g decay in the framework of multi Higgs doublet models
• b --> s g g decay in the two and three Higgs doublet models with CP violating effects