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 analysis yields mass predictions for the lowest decuplet hidden-charm pentaquarks with IJ^P = 1/2 1/2^-, 1/2 3/2^- and 1/2 5/2^- and suggests observation channels in Xi_b and Omega_b decays.
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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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Analysis of the hidden-charm pentaquark candidates in the $J/\psi \Xi^*$ mass spectrum via the QCD sum rules
QCD sum rules analysis yields mass predictions for the lowest decuplet hidden-charm pentaquarks with IJ^P = 1/2 1/2^-, 1/2 3/2^- and 1/2 5/2^- and suggests observation channels in Xi_b and Omega_b decays.