Evidence Against anI=52Baryon Resonance of Mass 1640 MeV/c2

Recently evidence has been presented for the production of an $I=\frac{5}{2}$ nonstrange baryon resonance of mass ≅1640 MeV/${\mathit{c}}^2$ in the reaction ${\pi }^{-}d\to \mathrm{}\left(p\right)n{\pi }^{-}{\pi }^{-}{\pi }^{+}$. With much greater statistics, our data for the charge-symmetric reaction fail to show any evidence for such a resonance.