Peripheral N$α$ Scattering: A Tool For Identifying The Two Pion Exchange Component Of The NN Potential

Details Peripheral N$α$ Scattering: A Tool For Identifying The Two Pion Exchange Component Of The NN Potential Peripheral N$α$ Scattering: A Tool For Identifying The Two Pion Exchange Component Of The NN Potential

1998-04-23

arxiv.org/abs/nucl-th/9804063v1

Phys.Rev.C57:2142-2148,1998

Physics

Nuclear Physics

Nuclear Theory

19 pages, 6 PostScript figures, RevTeX, to be appear in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.57.2142

We study elastic N$\alpha $ scattering and produce a quantitative correlation between the range of the effective potential and the energy of the system. This allows the identification of the waves and energies for which the scattering may be said to be peripheral. We then show that the corresponding phase shifts are sensitive to the tail of the NN potential, which is due to the exchange of two pions. However, the present uncertainties in the experimental phase shifts prevent the use of N$\alpha $ scattering to discriminate the existing models for the NN interaction.

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