Phenomenological study of hadron interaction models

Details Phenomenological study of hadron interaction models Phenomenological study of hadron interaction models

2001-06-22

arxiv.org/abs/nucl-th/0106056v1

Phys.Rev.C65:014003,2002

Physics

Nuclear Physics

Nuclear Theory

30 pages latex, 7 tables, 12 figs; submitted to Phys. Rev. C

Scientific paper

10.1103/PhysRevC.65.014003

We present a phenomenological study of three models with different effective degrees of freedom: a Goldstone Boson Exchange (GBE) model which is based on quark-meson couplings, the quark delocalization, color screening model (QDCSM) which is based on quark-gluon couplings with delocalized quark wavefunctions, and the Fujiwara-Nijmegen (FN) mixed model which includes both quark-meson and quark-gluon couplings. We find that for roughly two-thirds of 64 states consisting of pairs of octet and decuplet baryons, the three models predict similar effective baryon-baryon interactions. This suggests that the three very different models, based on different effective degrees of freedom, are nonetheless all compatible with respect to baryon spectra and baryon-baryon interactions. We also discuss the differences between the three models and their separate characteristics.

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