CP Violating B Decays with R-parity Violation

Details CP Violating B Decays with R-parity Violation CP Violating B Decays with R-parity Violation

1998-08-25

arxiv.org/abs/hep-ph/9808406v2

Phys.Rev. D60 (1999) 054003

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages. Expanded discussions of the bounds from K decays. To appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.60.054003

We study CP violating B decays in the minimal supersymmetric standard model with R-parity violation. We estimate how much R-parity violation modifies the SM predictions for CP asymmetries in B decays within the present bounds. The effects of R-parity- and lepton-number-violating couplings on the ratio of the decay amplitude due to R-parity violation to that of the SM can differ by one or two orders of magnitudes depending on the models of the left-handed quark mixing. It is possible to disentangle the R-parity violating effects from those of the SM and R-parity- conserving supersymmetric models within the present bounds comparing different CP violating decay amplitudes. We also study the effects of R-parity- and baryon-number-violating couplings and find that the effects could be large.

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