Covalent hadronic molecules from QCD sum rules
N. Su, H.X. Chen*, R.R. Dong, H.Z. Xi and Y.X. Yan
Pre-published on:
March 02, 2022
Published on:
May 24, 2022
Abstract
We examine Feynman diagrams corresponding to the $\bar D \Sigma_c$ hadronic molecular state, and propose a possible binding mechanism induced by shared light quarks. We study it using the method of QCD sum rules, and our results indicate this interaction to be attractive as long as the shared light quarks are totally antisymmetric.
DOI: https://doi.org/10.22323/1.380.0177
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