采用谐振子同的势模型下J/ψ波函数,在微扰QCD框架下,计算了Bc→J/ψπ过程的分支比,并对结果进行讨论.
The →J/ψπ decay with the perturbative QCD approach is studied. The branching ratio is given with the wave functions of the J/ψ meson corresponding to the harmonic-oscillator potential model, and the theoretical uncertainties are discussed.