Abstract
Investigates the existence of a self-coupling, non-Abelian isospin gauge field. The authors assume that the rho meson is the gauge field for the isospin group, and it couples to pions and itself via the prescription of Yang-Mills theory. The decay rho to pi pi gamma would show an effect of a few per cent up to 32% due to this non-linear coupling, as opposed to the normal coupling. The production of a rho -meson pair in e+e- to rho + rho - can also show up such an effect in the rho -meson pole energy region.
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