A consistent description of rho0 -> pi pi gamma decays including sigma(500) meson effects

A. Bramon, R. Escribano

A consistent description of $\sigma (500)$ meson effects in ${\rho }^0\to {\pi }^0{\pi }^0\gamma$ and ${\pi }^{+}{\pi }^{-}\gamma$ decays is proposed in terms of reasonably simple amplitudes which reproduce the expected chiral-…