Evidence for kappa Meson Production in J/psi -> bar{K}^*(892)^0K^+pi^- Process

M. Ablikim

Based on 58 million BESII J/psi events, the bar{K}^*(892)^0K^+pi^- channel in K^+K^-pi^+pi^- is studied. A clear low mass enhancement in the invariant mass spectrum of K^+pi^- is o…