τPolarization asymmetry in $B\to X_s{\tau }^{+}{\tau }^{-}$ in SUSY models with large $tan\beta$

Abstract

Rare B decays provides an opportunity to probe for new physics beyond the standard model. the effective Hamiltonian for the decay $b\to s{l}^{+}{l}^{-}$ predicts the characteristic polarization for the final state lepton. Lepton polarization has, in addition to a longitudinal component $P_L$, two orthogonal components $P_T$ and $P_N$ lying in and perpendicular to the decay plane. In this article we perform a study of the $\tau$-polarisation asymmetry in the case of SUSY models with large $\tan \beta$ in the inclusive decay $B\to X_s{\tau }^{+}{\tau }^{-}$.

RevTex file, 15 pages (including 6 ps figures). accepted version in Phys. Rev. D

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