The CP asymmetry for B--> K^* l^+ l^- decay in the general two Higgs doublet model

Details The CP asymmetry for B--> K^* l^+ l^- decay in the general two Higgs doublet model The CP asymmetry for B--> K^* l^+ l^- decay in the general two Higgs doublet model

1999-02-02

arxiv.org/abs/hep-ph/9902223v2

Phys.Rev. D60 (1999) 034023

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 8 figures

Scientific paper

10.1103/PhysRevD.60.034023

We study CP asymmetry for the exclusive decay B --> K^* l^+ l^- in the two Higgs doublet model with three level flavor changing neutral currents (model III). We analyse the dependency of this quantity to the new phase coming from the complex Yukawa couplings in the theory and we find that there exist a considerable CP violation for the relevant process. Further, we see that the sign of the Wilson coefficient C_7^{eff} can be determined by fixing dilepton mass. Therefore, the future measurements of CP asymmetry for B --> K^* l^+ l^- decay will give a powerful information about the sign of Wilson coefficient C_{7}^{eff} and the new physics beyond the SM.

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