Abstract
Within an extended chiral constituent quark model, three- and five-quark structure of the S01 resonance Λ(1405) is investigated with respect to the coupling constants [Formula: see text] and [Formula: see text]. Our findings corroborate with about 50% of five-quark admixture in the Λ(1405) needed in reproducing the strong decay width, ΓΛ(1405)→(Σπ)°.
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