Exclusive $B \to VV $ Decays and CP Violation in the General two-Higgs-doublet Model

Details Exclusive $B \to VV $ Decays and CP Violation in the General two-Higgs-doublet Model Exclusive $B \to VV $ Decays and CP Violation in the General two-Higgs-doublet Model

2008-01-17

arxiv.org/abs/0801.2596v2

Phys.Rev.D77:095004,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, no figures

Scientific paper

10.1103/PhysRevD.77.095004

Using the general factorization approach, we present a detailed investigation for the branching ratios, CP asymmetries and longitudinal polarization fractions in all charmless hadronic $B \to VV$ decays (except for the pure annihilation processes) within the most general two-Higgs-doublet model with spontaneous CP violation. It is seen that such a new physics model only has very small contributions to the branching ratios and longitudinal polarization fractions. However, as the model has rich CP-violating sources, it can lead to significant effects on the CP asymmetries, especially on those of penguin-dominated decay modes, which provides good signals for probing new physics beyond the SM in the future B-physics experiments.

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