Five hidden-charm double-strange pentaquark resonances are predicted in the QDCSM with masses between 4600 and 4772 MeV, along with widths and dominant decay channels.
Effective Baryon-Baryon Potentials in the Quark Delocalization and Color Screening Model
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abstract
The quark delocalization and color screening model is used for a systematic study of the effective potential between baryons in the u,d and s sector. The model is constrained by the properties of baryons and N-N scattering. The effective potentials for the N-N (IJ=01,10,11,00) channels and the N-Lambda and N-Sigma (IJ = (1/2)1, (1/2)0, (3/2)1, (3/2)0) channels fit the N-N, N-Lambda and N-Sigma scattering data reasonably well. This model predicts: There are rather strong effective attractions between decuplet-baryons; the effective attractions between octet-baryons are weak or even repulsive; and the attractions between decuplet- and octet-baryons lie in between.
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A study on the properties of hidden-charm pentaquarks with double strangeness
Five hidden-charm double-strange pentaquark resonances are predicted in the QDCSM with masses between 4600 and 4772 MeV, along with widths and dominant decay channels.