QCD sum rules yield masses for I=0 negative-parity udsc c-bar pentaquarks that match the P_cs(4338) and P_cs(4459) states.
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QCD sum rules identify three possible molecular dibaryons: Λ_c Σ_c with J^P=1^+ and anti-Λ_c Σ_c with J^P=0^- and 1^-; the other five channels are assigned as resonances.
citing papers explorer
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Analysis of the hidden-charm pentaquark candidates in the $J/\psi \Lambda$ mass spectrum via the QCD sum rules
QCD sum rules yield masses for I=0 negative-parity udsc c-bar pentaquarks that match the P_cs(4338) and P_cs(4459) states.
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Search for the $\Lambda_c\Sigma_c$ and $\bar{\Lambda}_c\Sigma_c$ dibaryon structures via the QCD sum rules
QCD sum rules identify three possible molecular dibaryons: Λ_c Σ_c with J^P=1^+ and anti-Λ_c Σ_c with J^P=0^- and 1^-; the other five channels are assigned as resonances.