Prediction of Three-body $B^0\to ρ^-p\bar{n}, π^-p\bar{n}$ Decay Rates

Details Prediction of Three-body $B^0\to ρ^-p\bar{n}, π^-p\bar{n}$ Decay Rates Prediction of Three-body $B^0\to ρ^-p\bar{n}, π^-p\bar{n}$ Decay Rates

2001-08-07

arxiv.org/abs/hep-ph/0108068v2

Phys.Lett. B528 (2002) 233-238

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 4 figures. Version to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(02)01210-8

We predict the rates of the charmless three-body $B^0\to \rho^-p\bar{n}$ and $\pi^-p\bar{n}$ modes due to weak vector current contributions to be $\sim 4\times 10^{-6}$ and $2\times 10^{-6}$, respectively. The basis is a factorization approach of current produced nucleon pairs, together with an isospin transformation that relates nucleon weak vector form factors to electromagnetic form factors. Adding the axial vector current contribution, we find $B^0\to \rho^-p\bar{n}$ and $B^+\to \rho^0p\bar{n}$ to be at $10^{-5}$ order. The three-body modes appear to dominate over the two-body modes such as $B\to p\bar{p}$, $p\bar \Lambda$.

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