Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-02-04
Phys.Lett. B535 (2002) 249-257
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, 7 figures; revtex; version published in Phys. Lett. B
Scientific paper
10.1016/S0370-2693(02)01770-7
We examine the charmless hadronic B decay modes in the context of R-parity violating ($\rpv$) supersymmetry. We try to explain the large branching ratio (compared to the Standard Model (SM) prediction) of the decay $B^{\pm}\to \eta' K^{\pm}$. There exist data for other observed $\eta^{(\prime)}$ modes and among these modes, the decay $B^{0}\to \eta K^{*0}$ is also found to be large compared to the SM prediction. We investigate all these modes and find that only two pairs of $\rpv$ coupling can satisfy the requirements without affecting the other $B\ra PP$ and $B\ra VP$ decay modes barring the decay $B\ra\phi K$. From this analysis, we determine the preferred values of the $\rpv$ couplings and the effective number of color $N_c$. We also calculate the CP asymmetry for the observed decay modes affected by these new couplings.
Dutta Bhaskar
Kim Chang Sub
Oh Sechul
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