按照温伯格-萨拉姆弱电相互作用标准模型,用谐振子的强子化方法计算了J/ψ粒子衰变到光子和π0的过程.数值结果表明,该衰变反应中领先阶的树图对OZI禁戒过程的贡献约占总贡献的10%,而圈图修正的贡献很重要.不仅得出的结果与OZI定则所要求的相一致,且在计算过程中验证了量子力学中的选择定则.
[1] GLASHOW S L. Partial-Symmetries of weak interactions [J]. Nuclear Physics 1961, 22.
[2] WEINBERG S. A model of leptons [J]. Physical Review Letters 1967, 19.
[3] Fleming S., Leibovich AK.. The photon spectrum in Upsilon decays - art. no. 074035 [J]. Physical review.D.Particles and fields 2003, 7(7).
[4] Li G, Li T, Li XQ, Ma WG, Zhao SM. Revisiting the OZI-forbidden radiative decays of orthoquarkonia [J]. Nuclear physics, B 2005, 1/2(1/2).
[5] LE YAOUANC A, OLIVER L, PENE O. Hadron transitions in the ouark model [M]. New York:Gordon and Breach Science Publishers 1987.
