Analysis of the tetraquark and hexaquark molecular states with the QCD sum rules
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Analysis of the tetraquark and hexaquark molecular states with the QCD sum rules |
| Zhi-Gang Wang |
| Figure 3. The Feynman diagrams for the lowest order contributions for the current ${J}_{\mu }^{{cc}\bar{c}}(x)$, where the solid lines and dashed lines represent the light quarks and heavy quarks, respectively. |
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