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AbstractAbstract
[en] A calculation of the πN scattering amplitude, based on the nonlinear sigma model, through the one-loop approximation of perturbation theory, is given. Unitary partial-wave amplitudes are obtained by constructing the first diagonal Pade approximant for the perturbation series. The s- and p-wave phase shifts are computed and compared with experimental phase shifts
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Journal Article
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Physical Review. D, Particles Fields; v. 14(1); p. 196-210
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