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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QCD sum rules give total decay widths of 326 MeV for Z_c^- (0^{--}) and 92 MeV for Z_c^+ (0^{-+}) pseudoscalar hidden-charm tetraquarks.
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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.
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Two-body strong decays of the pseudoscalar hidden-charm tetraquark states via the QCD sum rules
QCD sum rules give total decay widths of 326 MeV for Z_c^- (0^{--}) and 92 MeV for Z_c^+ (0^{-+}) pseudoscalar hidden-charm tetraquarks.