Searching for hidden-charm baryonium signals in QCD sum rules

  title={Searching for hidden-charm baryonium signals in QCD sum rules},
  author={Huaxing Chen and Dan Zhou and Wei Chen and Xiang Liu and Shi-lin Zhu},
  journal={The European Physical Journal C},
  • Huaxing Chen, Dan Zhou, +2 authors Shi-lin Zhu
  • Published 2016
  • Physics
  • The European Physical Journal C
  • We give an explicit QCD sum rule investigation for hidden-charm baryonium states with the quark content $$u\bar{u} d\bar{d} c\bar{c}$$uu¯dd¯cc¯, spin $$J=0/1/2/3$$J=0/1/2/3, and of both positive and negative parities. We systematically construct the relevant local hidden-charm baryonium interpolating currents, which can actually couple to various structures, including hidden-charm baryonium states, charmonium states plus two pions, and hidden-charm tetraquark states plus one pion, etc. We do… CONTINUE READING

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