New insight into the exotic states strongly coupled with the $D{\bar{D}}^{\ast }$ from the $T_{cc}^{+}$

Guang-Juan Wang, Zhi Yang, Jia-Jun Wu +2

We have investigated the internal structure of the open- and hidden-charmed ($D{D}^{\ast }$/$\bar{D}{D}^{\ast }$) molecules in the unified framework. We first fit the experimental lineshape of the…