Nucleon-Nucleon Scattering in a Three Dimensional Approach

Details Nucleon-Nucleon Scattering in a Three Dimensional Approach Nucleon-Nucleon Scattering in a Three Dimensional Approach

2000-04-26

arxiv.org/abs/nucl-th/0004057v1

Phys.Rev. C62 (2000) 044002

Physics

Nuclear Physics

Nuclear Theory

26 pages plus 10 jpg figures

Scientific paper

10.1103/PhysRevC.62.044002

The nucleon-nucleon (NN) t-matrix is calculated directly as function of two vector momenta for different realistic NN potentials. To facilitate this a formalism is developed for solving the two-nucleon Lippmann-Schwinger equation in momentum space without employing a partial wave decomposition. The total spin is treated in a helicity representation. Two different realistic NN interactions, one defined in momentum space and one in coordinate space, are presented in a form suited for this formulation. The angular and momentum dependence of the full amplitude is studied and displayed. A partial wave decomposition of the full amplitude it carried out to compare the presented results with the well known phase shifts provided by those interactions.

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