Benchmark calculations for polarization observables in 3N scattering

Details Benchmark calculations for polarization observables in 3N scattering Benchmark calculations for polarization observables in 3N scattering

1998-07-23

arxiv.org/abs/nucl-th/9807061v1

Phys.Rev.C58:3085-3092,1998

Physics

Nuclear Physics

Nuclear Theory

22 pages, 5 postscript figures

Scientific paper

10.1103/PhysRevC.58.3085

High precision benchmark calculations for phase-shifts and mixing parameters as well as observables in elastic neutron-deuteron scattering below the deuteron breakup threshold are presented using a realistic nucleon-nucleon potential. Two totally different methods, one using a variational principle in configuration space and the other solving the Faddeev equations in momentum space are used and compared to each other. The agreement achieved in phase-shifts and mixing parameters as well as in the polarization observables is excellent. The extreme sensitivity of the vector analyzing power Ay to small changes of the phase shifts and mixing parameters is pointed out.

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