Baryon form factors in a diquark-quark bound state description

Details Baryon form factors in a diquark-quark bound state description Baryon form factors in a diquark-quark bound state description

1995-02-02

arxiv.org/abs/hep-ph/9502217v1

Phys.Lett. B351 (1995) 64-69

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, latex, 1 postscript figure included (uuencoded)

Scientific paper

10.1016/0370-2693(95)00404-9

Nucleon form factors are calculated in a relativistic diquark--quark picture based on the Nambu--Jona-Lasinio model. The nucleon wave function is obtained in a static approximation to the quark exchange interaction between the valence quark and the diquark. We evaluate the valence quark and $0^+$--diquark contribution to the nucleon electromagnetic and weak currents. We find reasonable electric charge radii, magnetic moments as in the additive diquark model, and $g_A \approx 1$. We discuss the dependence on the model parameters.

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