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

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arxiv nucl-th/9905064 v1 pith:YMMVZ3HF submitted 1999-05-30 nucl-th

classification nucl-th
keywords correlationsnon-leptonicbaryonbaryonsquarkquark-pairstrongweak
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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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