Productions of \sigma meson in J/\psi and \psi(2s) decays
  Productions of scalar meson in the decays of J/\psi-->\omega+\sigma, J/\psi-->\gamma+\sigma and \psi(2s)-->\omega+\sigma, \gamma+\sigma and ee^+ annihilations in the regions of J/\psi and \psi(2s) are studied. 
Bing An Li