Exploratory study of X(4140) in QCD sum rules

Arzu Turkan, Huseyin Dag

In this work, we chose three molecular and three diquark-antidiquark currents with the quark content $c\bar{c}s\bar{s}$ and $J^{PC}=0^{++},1^{++},2^{++}$, and estimated the masses…