Abstract
“Bootstrap” sum rules have been analysed for NN, ΞΞ, ΣΣ and ΛΛ scattering amplitudes. Coupling constants of the non-strange mesons with 1 2 + baryons have been determined. Mass relations μ B 2 ≃ m Σ 2; μ A 1 2 ≃ m Σ 2 have been obtained. The dependence of pseudoscalar meson-baryon coupling constants on the hypercharge has been found.
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