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The decay $J/\psi \to \omega p \bar p$ is studied using a $5.8 \times 10^7$$J/\psi$ event sample accumulated with the BES II detector at the Beijingelectron-positron collider. The decay branching fraction is measured to be$B(J/\psi \to \omega p \bar p)=(9.8\pm 0.3\pm 1.4)\times 10^{-4}$. Nosignificant enhancement near the $p\bar p$ mass threshold is observed, and anupper limit of $B(J/\psi \to \omega X(1860))B(X(1860)\to p\bar p)$$ $$< 1.5\times 10^{-5}$ is determined at the 95% confidence level, where X(1860)designates the near-threshold enhancement seen in the $p\bar p$ mass spectrumin $J/\psi \to \gamma p \bar p$ decays.

Study of J\psi decaying into \omega p \bar p