Effective baryon-baryon potentials in the quark delocalization and color screening model

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 some decuplet-baryo ns; the effective attractions between octet-baryons are usually weak; and t he attractions between decuplet- and octet-baryons lie in between. (C) 1999 Elsevier Science B.V. All rights reserved.