Four-Pion Decay of thef0Meson

Abstract

The reaction ${\pi }^{-}p\to f^{0}n\to 2{\pi }^{+}2{\pi }^{-}n$ has been observed at 5 GeV/c with $\sigma =11.5\mathrm{}\pm 4$ μb ($1.20<\mathrm{}{m}_{4\pi }<1.32\mathrm{}$, $\mathrm{}\left|t\right|<0.2\mathrm{}$ Ge${\mathrm{V}}^2$).