Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-03-02
Phys.Rev.D79:095017,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
29 pages, 6 figures, to appear in PRD
Scientific paper
10.1103/PhysRevD.79.095017
With the first measurements of the branching ratios and the direct CP asymmetries of $B_s\to K^{-}K^{+}$, $K^{-}\pi^{+}$ decays by the CDF collaboration, we constrain the relevant parameter space of the Minimal Supersymmetric Standard Model with R-parity violation. Using the constrained R-parity violating couplings, we further examine their possible effects in $B_{s}\to K^{-*}\pi^{+}$, $K^{(*)-}\rho^{+}$ and $K^{(*)\pm}K^{(*)\mp}$ decays. We find that some branching ratios and CP asymmetries are very sensitive to the R-parity violating couplings. The direct longitudinal CP asymmetries of tree-dominated process $B_s\to K^{*-}\rho^{+}$ could be enlarged to $\sim 70%$ and the longitudinal polarizations of $B_s\to K^{*-}K^{*+}$, $K^{*-}\rho^{+}$ decays could be suppressed very much by the squark exchange couplings. Near future experiments at CERN LHC can test these predictions and shrink/reveal the parameter spaces of RPV SUSY.
Wang Ru-Min
Xu Yuan-Guo
Yang Ya-Dong
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