Low Energy Nucleon-Nucleon Scattering with the Skyrme Model in the Geodetic Approximation

Details Low Energy Nucleon-Nucleon Scattering with the Skyrme Model in the Geodetic Approximation Low Energy Nucleon-Nucleon Scattering with the Skyrme Model in the Geodetic Approximation

1994-04-21

arxiv.org/abs/hep-ph/9404319v1

Phys.Rev.D51:3034-3041,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, UDEM-LPN-TH-94-196

Scientific paper

10.1103/PhysRevD.51.3034

We calculate nucleon-nucleon scattering at low energies and large impact parameter in the Skyrme model within the framework for soliton scattering proposed by Manton. This corresponds to a truncation of the degrees of freedom to the twelve collective coordinates which essentially describe the rigid body motion of the pair of Skyrmions. We take to its logical conclusion the result that the induced kinetic energy for these collective coordinates in the product ansatz behaves as one over the separation and hence can dominate over the potential. This behaviour implies to leading order that we can drop the potential and the resulting motion reduces simply to geodesic motion on the manifold parametrized by the variables of the product ansatz. We formulate the semi-classical quantization of these variables to obtain the motion corresponding to the nucleonic states of the Skyrme model. This is the appropriate description for the nucleons in order to consider their scattering within Manton's framework in the semi-classical approximation. We investigate the implications for the scattering of nucleons with various initial polarizations using the approximation method of ``variation of constants''.

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