CP Asymmetry of $B\to X_s{l}^{+}{l}^{-}$ in Low Invariant Mass Region

Abstract

I analyzed the CP asymmetry of $B\to X_s{l}^{+}{l}^{-}$ based on model-independent analysis which includes twelve independent four Fermi operators. The CP asymmetry is suppressed in the Standard Model, however, if some new physics make it much larger, the present or the next generation B factories may catch the CP violation in this decay mode. In this paper, we studied the correlation of the asymmetry and the branching ratio, and then we will find only a type of interactions can be enlarge the asymmetry. Therefore, in comparison with experiments, we have possibility that we can constrain models beyond the standard model.

12 pages, 5 figures, LaTeX, Accepted for Physical Review D

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Cited by in corpus (2)

• New Physics in b -> s mu+ mu-: CP-Violating Observables
• CP asymmetry in the decays B --> (X_s, X_d) mu+ mu- with four generations