Thermal properties of the exotic $X(3872)$ state via QCD sum rule

E. Veli Veliev, S. Günaydin, H. Sundu

In this work we investigate the $X(3872)$ meson with quantum numbers $J^{PC}=1^{++}$ in the framework of the thermal QCD sum rules method. We use a diquark-antidiquark current with…