Abstract
In this study, considering the conservation of isospin in the strong decays, we investigate the strong decays of the pentaquark molecule candidate and its possible higher isospin cousin in the framework of the QCD sum rules. Further, the pole residue of the Δ baryon with isospin eigenstate is obtained. If the possible pentaquark molecule candidate could be determined, it would shed light on the interpretations of the states in future experiments.
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