Effects of R-parity violation on CP asymmetries in $Λ_b \to p π$ decay

Details Effects of R-parity violation on CP asymmetries in $Λ_b \to p π$ decay Effects of R-parity violation on CP asymmetries in $Λ_b \to p π$ decay

2000-05-24

arxiv.org/abs/hep-ph/0005240v1

Phys.Rev.D63:056006,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 8 pages

Scientific paper

10.1103/PhysRevD.63.056006

We have studied new CP violating effects in $\Lambda_b \to p \pi$ decay mode, that can arise in Minimal Supersymmetric Standard Model with R-parity violation. We have estimated how much R-parity violation modifies the Standard Model predictions for CP asymmetries within the present bounds. We found that in the R-parity violating model, the rate asymmetry ($a_{cp}$) is suppressed (about 10 times) and the asymmetry parameter $A(\alpha)$ is enhanced (approximately $10^2$ times) with respect to the SM predictions.

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