Skyrme model pi N N form-factor and nucleon-nucleon interaction

form factor, which emerges from the Skyrme model, in the two-nucleon system using a one-boson-exchange (OBE) model for the nucleon-nucleon (NN) interaction. Deuteron properties and phase parameters of NN scattering are reproduced well. In contrast to the form factor of monopole shape that is traditionally used in OBE models, the Skyrme form factor leaves low momentum transfers essentially unaffected while it suppresses the high-momentum region strongly. It turns out that this behavior is very appropriate for models of the NN interaction and makes possible to use a soft pion form factor in the NN system. As a consequence, the

\pi N

and the

NN

systems can be described using the same soft

\pi NN

form factor, which is impossible with the monopole.

nucleon nucleon: interaction
nucleon nucleon: elastic scattering
pi nucleon: form factor
Skyrme model
exchange: one-meson
p n: elastic scattering
partial wave analysis
deuteron: model
numerical calculations: interpretation of experiments

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Figures(0)

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