Supersymmetric CP Violation in $B\to X_s{l}^{+}{l}^{-}$ in Minimal Supergravity Model

Abstract

Direct CP asymmetries and the CP violating normal polarization of lepton in inclusive decay B \to X_s l^+ l^- are investigated in minimal supergravity model with CP violating phases. The contributions coming from exchanging neutral Higgs bosons are included. It is shown that the direct CP violation in branching ratio, A_{CP}^1, is of {\cal{O}}(10^{-3}) for l=e, μ, τ. The CP violating normal polarization for l=μcan reach 0.5 percent when tanβis large (say, 36). For l=τand in the case of large \tanβ, the direct CP violation in backward-forward asymmetry, A_{CP}^2, can reach one percent, the normal polarization of τcan be as large as a few percent, and both are sensitive to the two CP violating phases, ϕ_μand ϕ_{A_0}, and consequently it could be possible to observe them (in particular, the normal polarization of τ) in the future B factories.

14 pages, latex, 5 figures

References in corpus (1)

• Effects of supersymmetric CP violating phases on B \to X_s l^+ l^- and ε_K

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