Two Phenomenological Angles for SU(3) Symmetry Breaking. I : Weak and Electromagnetic Interactions
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In order to treat the weak and the electromagnetic processes in a unified way, we propose an empirical rule for SU(3) symmetry breaking by introducing two angles. It is shown in the weak interaction that semi-leptonic decays of mesons can be well explained once an angle is introduced. In particular a ratio Γ(K^±→π^0e^±ν_e)/Γ(K_<L^0>→π^±e+^^-ν_e) is in remarkable agreement with experiment. Our theory also leads to a prediction different from that of Cabibbo's theory concerning the decay processes K_<L^0>→K^ ±e+^^-ν_e and η→π^±e+^^-ν_eIn the electromagnetic interaction we show that high energy photoproduction of vector and pseudoscalar mesons and leptonic pair decay of vector mesons are also explicable with this model. From the analysis we can numerically fit the tangent of these angles to the ratios of meson masses; that is, [numerical formula] for the weak interaction and [numerical formula] for the electromagnetic interaction.
- 一般社団法人日本物理学会の論文
- 1968-12-25
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