Nucleon-Nucleon Scattering and Effective Field Theory: Including Pions Non-perturbatively

Details Nucleon-Nucleon Scattering and Effective Field Theory: Including Pions Non-perturbatively Nucleon-Nucleon Scattering and Effective Field Theory: Including Pions Non-perturbatively

1999-08-18

arxiv.org/abs/nucl-th/9908055v2

Phys.Lett. B463 (1999) 133-137

Physics

Nuclear Physics

Nuclear Theory

7 pages, 3 figures, references added, to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(99)00994-6

Next to leading order effective field theory calculations are performed for $ {}^1S_0$ NN scattering using subtractive renormalization procedure. One pion exchange and contact interaction potentials are iterated using Lippman-Schwinger equation. Satisfactory fit to the Nijmegen data is obtained for the momenta up to 300 MeV in the centre of mass frame. Phase shifts are also compared with the results of KSW approach where pions are included perturbatively.

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