【摘要】 运用单粒子交换方法研究D→PV衰变中的D→κρ,πκ~*,πρ过程,考虑了强相位及非因子化贡献,能得到与实验数据很吻合的结果,结果表明:非因子化贡献一般不是很大,但是在一些衰变道非因子化贡献是不可忽略的;强相位具有近似的SU(3)对称性。更多还原

【Abstract】 We employ one-particle-exchange method to study D→PV decays in D→Kρ,πK , π processes. Taking a strong phase into account and considering nonfactorizable effect, we can get good results consistent with the experimental data. Nonfactorizable effect is not always large,but in some cases,this effect is necessary for accommodating the experimental data.Strong phases are approximately SU(3) flavor symmetric.更多还原