Confirmation of a pi_1^0 Exotic Meson in the ηπ^0 System

G. S. Adams, T. Adams, Z. Bar-Yam +49

The exclusive reaction ${\pi }^{-}p\to \eta {\pi }^{0}n$, $\eta \to {\pi }^{+}{\pi }^{-}{\pi }^0$ at 18 GeV$/c$ has been studied with a partial wave analysis on a sample of 23~492 $\eta {\pi }^{0}n$ events from BNL experiment…