PoS - Proceedings of Science
Volume 380 - Particles and Nuclei International Conference 2021 (PANIC2021) - Hadron spectroscopy and exotics
Covalent hadronic molecules from QCD sum rules
N. Su, H.X. Chen*, R.R. Dong, H.Z. Xi and Y.X. Yan
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Pre-published on: March 02, 2022
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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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