Searching for hidden-charm baryonium signals in QCD sum rules

Hua-Xing Chen, Dan Zhou, Wei Chen +2

We give an explicit QCD sum rule investigation to hidden-charm baryonium states with the quark content $u\bar{u}d\bar{d}c\bar{c}$, spin $J=0/1/2/3$, and of both positive and negativ…