The rare decays B --> K(*) anti-K(*) and R-parity violating supersymmetry

Details The rare decays B --> K(*) anti-K(*) and R-parity violating supersymmetry The rare decays B --> K(*) anti-K(*) and R-parity violating supersymmetry

2006-03-12

arxiv.org/abs/hep-ph/0603088v2

Eur.Phys.J.C47:815-831,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

31 pages with 10 figures

Scientific paper

10.1140/epjc/s2006-02602-y

We study the branching ratios, the direct CP asymmetries in $B\to K^{(*)}\bar{K}^{(*)}$ decays and the polarization fractions of $B\to K^{*}\bar{K}^{*}$ decays by employing the QCD factorization in the minimal supersymmetric standard model with R-parity violation. We derive the new upper bounds on the relevant R-parity violating couplings from the latest experimental data of $B\to K^{(*)}\bar{K}^{(*)}$, and some of these constraints are stronger than the existing bounds. Using the constrained parameter spaces, we predict the R-parity violating effects on the other quantities in $B\to K^{(*)}\bar{K}^{(*)}$ decays which have not been measured yet. We find that the R-parity violating effects on the branching ratios and the direct $CP$ asymmetries could be large, nevertheless their effects on the longitudinal polarizations of $B\to K^{*}\bar{K}^{*}$ decays are small. Near future experiments can test these predictions and shrink the parameter spaces.

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