Search for the Pentaquark State in $\psi (2S)$ and $J/\psi$ Decays to $K_S^{0}p{K}^{-}\bar{n}$ and $K_S^0\bar{p}{K}^{+}n$

BES Collaboration, J. Z. Bai

Results are presented on $\psi (2S)$ and $J/\psi$ hadronic decays to $K_S^{0}p{K}^{-}\bar{n}$ and $K_S^0\bar{p}{K}^{+}n$ final states from data samples of 14 million $\psi (2S)$ and 58 million $J/\psi$ eve…