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VOLUME 22 (1975) | ISSUE 11 | PAGE 598
Dynamic description of low-energy π N scattering
Using a linear SC/(2)X S U(2)-invariant Lagrangian, the Pade approximation, and the superpropagator regularization method, we obtain a dynamic description of the low-energy πΝ scattering without introducing any arbitrary parameters whatever. Analytic expressions are obtained for the parameters of the ρ, <τ, 11, and 33 resonances.