The $D{\bar{D}}^{\ast }$ interaction with isospin zero in an extended hidden gauge symmetry approach

Bao-Xi Sun, Da-Ming Wan, Si-Yu Zhao

The $D{\bar{D}}^{\ast }$ interaction via a $\rho$ or $\omega$ exchange is constructed within an extended hidden gauge symmetry approach, where the strange quark is replaced by the charm quark in…