T violation in $B\to K^{\ast }{\ell }^{+}{\ell }^{-}$ from SUSY

Abstract

We propose to use T-odd momentum correlations as physical observables to study T violation in $B\to K^{\ast }{l}^{+}{l}^{-}(l=e,\mu )$ decays. We show that these observables are zero in the standard model but sizable at the level of 10% in the supersymmetric model. These large T violating effects are measurable at the B-factories in KEK and SLAC and future hadron colliders. We also point out that the T violating effects are insensitive to nonperturbative QCD contributions.

4 pages, 3 figures, Revtex, to appear in Phys. Rev. D

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• Observation of CP violation in the B^0 meson system
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