Probing new physics through B->K l+ l- decays in R-parity violating minimal supersymmetric standard model

Details Probing new physics through B->K l+ l- decays in R-parity violating minimal supersymmetric standard model Probing new physics through B->K l+ l- decays in R-parity violating minimal supersymmetric standard model

2009-03-05

arxiv.org/abs/0903.0969v1

Eur.Phys.J.C65:475-490,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages,10 figures

Scientific paper

10.1140/epjc/s10052-009-1200-2

We study the decay rate of process B->K l+ l- (l=e,mu) and some of its other related observables, like forward backward asymmetry (A_{FB}), polarization asymmetry (PA) and CP-asymmetry (A_{CP}) in R-parity violating (R_{p}) Minimal Supersymmetric Standard Model (MSSM). The analysis shows that R_{p}Yukawa coupling products contribute significantly to the branching fraction of B->K l+ l- within 1 sigma and 2 sigma. Study shows that PA and A_{FB} are sensitive enough to R_{p}Yukawa coupling products and turn out to be good predictions for measurement in future experiments.The CP-asymmetry calculated in this framework agrees well with the recently reported value(i.e. 7%).

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