T violation in $Λ_b\toΛ\ell^+\ell^-$ decays

Details T violation in $Λ_b\toΛ\ell^+\ell^-$ decays T violation in $Λ_b\toΛ\ell^+\ell^-$ decays

2002-10-04

arxiv.org/abs/hep-ph/0210067v1

Nucl.Phys.Proc.Suppl. 115 (2003) 263-266

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, Talk presented by C.Q. Geng at the 5th International Conference on Hyperons, Charm and Beauty Hadrons

Scientific paper

10.1016/S0920-5632(02)01998-9

We examine the T-odd transverse lepton and $\Lambda$ polarizations in the baryonic decays of $\Lambda_b\to\Lambda l^+l^- (l=e ,\mu)$ to study the T violating effects. We show that the lepton polarizations are suppressed but the $\Lambda$ ones can be as large as 50% in CP violating theories beyond the standard model such as the SUSY models, which can be tested in various future hadron colliders.

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