Charmonium-like states with the exotic quantum number $J^{PC}=3^{-+}$

Hong-Zhou Xi, Hua-Xing Chen, Wei Chen +3

We apply the method of QCD sum rules to study the $qc\bar{q}\bar{c}$ tetraquark states with the exotic quantum number $J^{PC}=3^{-+}$, and extract the mass of the lowest-lying s…