most citedRole of resonances in rho^0 -> pi^+ pi^- gamma

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hep-ph2007★ 2 cited

Role of resonances in rho^0 -> pi^+ pi^- gamma

G. Toledo Sanchez, J. L. Garcia-Luna, V. Gonzalez-Enciso

We study the effect of the sigma(600) and a_1(1260) resonances in the rho^0 -> pi^+ pi^- gamma decay, within the meson dominance model. Major effects are driven by the mass and wid…