Abstract

In the present work, we construct eight six-quark currents to study the Σ c Σ ¯ c baryonium and Σ c Σ c dibaryon states via the QCD sum rules. For either Σ c Σ ¯ c baryonium or Σ c Σ c dibaryon states, we construct four currents with the J P = 1 − , 1 + , 0 + and 0 − . Except the current 1 + of Σ c Σ c , we find the Borel windows for the other seven. There are two possible Σ c Σ ¯ c molecular states or compact six-quark states with the J P = 1 − and 0 − . The results of the current 0 + of Σ c Σ c show a possible Σ c Σ c molecular state with 20 MeV binding energy. We find two Σ c Σ ¯ c baryonium resonances states with the J P = 1 + , 0 + and two Σ c Σ c dibaryon resonances states with the J P = 0 − , 1 − , respectively. Pole residues of the seven states are also calculated.

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