Polarization Measurements and T-Violation in Exclusive Semileptonic B Decays

Details Polarization Measurements and T-Violation in Exclusive Semileptonic B Decays Polarization Measurements and T-Violation in Exclusive Semileptonic B Decays

1997-05-12

arxiv.org/abs/hep-ph/9705293v2

Phys.Rev. D56 (1997) 5413-5430

Physics

High Energy Physics

High Energy Physics - Phenomenology

Comments on higher order corrections included, conclusions not affected. RevTex, 47 pages, 3 epsf figures

Scientific paper

10.1103/PhysRevD.56.5413

We provide a general analysis of time reversal invariance violation in the exclusive semileptonic B decays B to D l nu and B to D* l nu. Measurements of the lepton and D* polarizations can be used to search for and identify non-standard model sources of T violation. Upper limits are placed on the T-odd polarization observables in both the supersymmetric R-parity conserving and R-parity breaking theories, as well as in some non-supersymmetric extensions of the standard model, including multi-Higgs-doublet models, leptoquark models, and left-right symmetric models. It is noted that many of these models allow for large T-violating polarization effects which could be within the reach of the planned B factories.

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