The exclusive $B->(K,K^{\ast }){\ell }^{+}{\ell }^{-}$ decays in a CP softly broken two Higgs doublet model

Abstract

We study the differential branching ratio, forward-backward asymmetry, CP-violating asymmetry, CP-violating asymmetry in the forward-backward asymmetry and polarization asymmetries in the $B->K{\ell }^{+}{\ell }^{-}$ and $B->K^{\ast }{\ell }^{+}{\ell }^{-}$ decays in the context of a CP softly broken two Higgs doublet model. We analyze the dependencies of these observables on the model parameters by paying a special attention to the effects of neutral Higgs boson (NHB) exchanges and possible CP violating effects. We find that NHB effects are quite significant for both decays. A combined analysis of above-mentioned observables seems to be very promising as a testing ground for new physics beyond the SM, especially for the existence of the CP-violating phase in the theory.

23 pages, 26 eps figures, version to appear in Nucl. Phys. B

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• Observation of the Decay $B\to K{\ell }^{+}{\ell }^{-}$
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Cited by in corpus (13)

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• B meson Dileptonic Decays in NMSSM with a Light CP-odd Higgs Boson
• Spin effects in rare $B\to X_s{\tau }^{+}{\tau }^{-}$ and $B\to K^{(\ast )}{\tau }^{+}{\tau }^{-}$ decays in a single Universal Extra Dimension scenario
• Probe R-parity Violating Supersymmetry Effects in $B\to K^{(\ast )}{\ell }^{+}{\ell }^{-}$ and $B_s\to {\ell }^{+}{\ell }^{-}$ Decays
• Lepton polarization correlations in $B\to K^{\ast }{\tau }^{-}{\tau }^{+}$
• Form factors, branching ratio and forward-backward asymmetry in B -> K_{1}ell ^{+} ell ^{-} decays
• Supersymmetric effects on Forward Backward asymmetries of $B\to K{\ell }^{+}{\ell }^{-}$
• Exclusive Semileptonic Rare Decays $B\to K^{(\ast )}{l}^{+}{l}^{-}$ in a SUSY SO(10) GUT
• Large forward-backward asymmetry in B --> K mu+ mu- from new physics tensor operators
• Probing extended Higgs sector through rare b --> s mu+ mu- transitions
• Model Independent Analysis of the Forward-Backward Asymmetry for the $B\to K_1{\mu }^{+}{\mu }^{-}$ Decay
• Lepton polarization asymmetries for $B\to K^{\ast }{\ell }^{+}{\ell }^{-}$: A Model Independent approach
• Polarized forward-backward asymmetries of lepton pair in $B\to K_1{\ell }^{+}{\ell }^{-}$ decay in the presence of New physics