Calculation of BR((B)over-bar0→Λc++ (p)over-bar) in the perturbative QCD approach

We calculate the branching ratio of B-0 ->Lambda(+)(c)p in the PQCD approach. Most previous model calculations obtained branching ratios significantly larger than experimental data. We find that the predicted branching ratio for BR(B-0 ->Lambda(+)(c)p) in the PQCD approach can vary over a range of (2.3 similar to 5.1)x10(-5) with the largest uncertainty coming from the parameters in the wave function of Lambda(c). With the favored values for the parameters in the Lambda(+)(c) wave function, beta=1 GeV and m(q)=0.3 GeV, the branching ratio is about 2.3x10(-5) which is satisfactorily consistent with the value measured by experiments.