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The rare decays B→K(*)K̄(*) and R-parity violating supersymmetry

  • Theoretical Physics
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Abstract

We study the branching ratios, the direct CP asymmetries in B→K(*)K̄(*) decays and the polarization fractions of B→K*K̄* 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→K(*)K̄(*), 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→K(*)K̄(*) 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→K*K̄* decays are small. Near future experiments can test these predictions and shrink the parameter spaces.

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Authors and Affiliations

  1. Institute of Particle Physics, Huazhong Normal University, Wuhan, Hubei, 430070, P.R. China

    R.M. Wang, G.R. Lu & E.-K. Wang

  2. Department of Physics, Henan Normal University, XinXiang, Henan, 453007, P.R. China

    R.M. Wang, G.R. Lu & Y.-D. Yang

Authors
  1. R.M. Wang
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  2. G.R. Lu
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  3. E.-K. Wang
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  4. Y.-D. Yang
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Correspondence to R.M. Wang.

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PACS

12.60.Jv; 12.15.Mm; 12.38.Bx; 13.25.Hw

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Wang, R., Lu, G., Wang, EK. et al. The rare decays B→K(*)K̄(*) and R-parity violating supersymmetry. Eur. Phys. J. C 47, 815–831 (2006). https://doi.org/10.1140/epjc/s2006-02602-y

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  • DOI: https://doi.org/10.1140/epjc/s2006-02602-y

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