Relativistic NN scattering without partial wave decomposition

Details Relativistic NN scattering without partial wave decomposition Relativistic NN scattering without partial wave decomposition

2004-03-02

arxiv.org/abs/nucl-th/0403010v2

Physics

Nuclear Physics

Nuclear Theory

29 pages, 10 figures

Scientific paper

We consider the covariant Spectator equation with a One Boson Exchange (OBE) kernel, and apply it to the NN system. Relativistic effects such as retardation and negative-energy state components are included in that equation. We develop a method, based on the Pad\'e method, to solve the Spectator equation without partial wave decomposition. The convergence of the partial wave decomposition series is tested as a function of the energy. The on- and off-mass-shell amplitudes are calculated. The NN interaction was fitted to the differential cross section for NN scattering, in the energy range below the pion production threshold.

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