Constituent quark model for baryons with strong quark-pair correlations and non-leptonic weak transitions of hyperon

Details Constituent quark model for baryons with strong quark-pair correlations and non-leptonic weak transitions of hyperon Constituent quark model for baryons with strong quark-pair correlations and non-leptonic weak transitions of hyperon

1999-05-30

arxiv.org/abs/nucl-th/9905064v1

Nucl.Phys. A670 (2000) 307-310

Physics

Nuclear Physics

Nuclear Theory

4 pages, 2 figures, talk presented at KEK-Tanashi International Symposium on Physics of Hadrons and Nuclei, Tokyo, Japan, 14-1

Scientific paper

10.1016/S0375-9474(00)00119-6

We study the roles of quark-pair correlations for baryon properties, in particular on non-leptonic weak decay of hyperons. We construct the quark wave function of baryons by solving the three body problem explicitly with confinement force and the short range attraction for a pair of quarks with their total spin being 0. We show that the existence of the strong quark-quark correlations enhances the non-leptonic transition amplitudes which is consistent with the data, while the baryon masses and radii are kept to the experiment.

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