Revisiting B_s\toμ^+μ^- and B\to K^{(*)}μ^+μ^- decays in the MSSM with and without R-parity

Abstract

The rare decays B_s -> μ^+μ^- and B -> K^{(*)}μ^+μ^- are sensitive to new particles and couplings via their interferences with the standard model contributions. Recently, the upper bound on B(B_s -> μ^+μ^-) has been improved significantly by the CMS, LHCb, CDF, and DØ experiments. Combining with the measurements of B(B-> K^{(*)}μ^+μ^-), we derive constraints on the relevant parameters of minimal supersymmetic standard model with and without R-parity, and examine their contributions to the dimuon forward-backward asymmetry in B-> K^{*}μ^+μ^- decay. We find that (i) the contribution of R-parity violating coupling products λ^{\prime}_{2i2}λ^{\prime*}_{2i3} due to squark exchange is comparable with the theoretical uncertainties in B-> K μ^+μ^- decay, but still could be significant in B-> K^{*}μ^+μ^- decay and could account for the forward-backward asymmetry in all dimuon invariant mass regions; (ii) the constrained mass insertion (δ^{u}_{LL})_{23} could have significant contribution to dA_{FB}(B-> K^{*}μ^+μ^-)/ds, and such effects are favored by thr recent results of the Belle, CDF, and LHCb experiments.

20 pages, 9 figures, published version

References in corpus (11)

• Measurement of the Differential Branching Fraction and Forward-Backword Asymmetry for B->K(*)l+l-
• Measurements of the Angular Distributions in the Decays B -> K(*) mu+ mu- at CDF
• Differential branching fraction and angular analysis of the decay ${\mathbf{B}}^0\to {\mathbf{K}}^{\ast 0}{\mathbf{\mu }}^{+}{\mathbf{\mu }}^{-}$
• Search for the rare decays Bs -> mu+ mu- and B0 -> mu+ mu-
• Probe R-parity Violating Supersymmetry Effects in $B\to K^{(\ast )}{\ell }^{+}{\ell }^{-}$ and $B_s\to {\ell }^{+}{\ell }^{-}$ Decays
• The decay Bs -> mu+ mu-: updated SUSY constraints and prospects
• Constraints from the decay B_s -> mu mu and LHC limits on Supersymmetry
• An improved observable for the forward-backward asymmetry in B -> K* l+ l- and Bs -> phi l+ l-
• Studying of B_s^0-\bar{B}_s^0 mixing and B_{s}\to K^{(*)-}K^{(*)+} decays within supersymmetry
• Implications of SUSY Searches at the LHC for the ILC
• On the rare B_s to two muons decay and noncontractibility of the physical space

Cited by in corpus (3)

• Probing the R-parity violating supersymmetric effects in the exclusive b\to c\ell^-\barν_\ell decays
• Two loop electroweak corrections to $\bar{B}\to X_s\gamma$ and $B_s^0\to {\mu }^{+}{\mu }^{-}$ in the B-LSSM
• Analysis of $B_s\to \varphi {\mu }^{+}{\mu }^{-}$ decay within supersymmetry