New insights into the doubly charmed exotic mesons

Di Guo, Qin-He Yang, Ling-Yun Dai +1

Using effective Lagrangians constrained by the heavy quark spin symmetry and chiral symmetry, for the light quarks, we analyze the $D^0{D}^0\ddot{I}{€}^{+}$, ${\bar{D}}^0{D}^0\ddot{I}{€}^0$ and $D^0\bar{D}…