Evidence for an $\omega^{0} \pi^{+} \pi^{-}$ decay mode of the $A_{2} ^{0}$ via an $\omega^{0} \pi^{\pm}$ resonance at 1040 MeV and for an $\omega^{0} \pi^{+} \pi^{-}$ effect near 1400 MeV

Descripción no disponible.