Combined fit to the cross sections of $e^{+}{e}^{-}\to \pi Z_c(3900)\to \pi \pi J/\psi$ and $e^{+}{e}^{-}\to \pi Z_c(3900)\to \pi D{\bar{D}}^{\ast }$

Jielei Zhang, Tengjiao Zhu

The cross sections of $e^{+}{e}^{-}\to \pi Z_c(3900)\to \pi \pi J/\psi$ and $e^{+}{e}^{-}\to \pi Z_c(3900)\to \pi D{\bar{D}}^{\ast }$ have been measured by BESIII experiment. We tr…