Three pseudoscalar meson production in $e^{+}{e}^{-}$ annihilation

L. Y. Dai, J. Portoles, O. Shekhovtsova

We study, at leading order in the large number of colours expansion and within the Resonance Chiral Theory framework, the odd-intrinsic-parity $e^+ e^- \rightarrow π^+ π^- (π^0, η)…