Nucleon electromagnetic and axial form factors in point-form relativistic quantum mechanics

Details Nucleon electromagnetic and axial form factors in point-form relativistic quantum mechanics Nucleon electromagnetic and axial form factors in point-form relativistic quantum mechanics

2002-12-13

arxiv.org/abs/hep-ph/0212190v1

Few Body Syst.Suppl. 14 (2003) 411-414

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 6 figures, contribution to XVIII European Conference on Few-Body Problems in Physics, September 2002, Bled, Slovenia

Scientific paper

Results for the proton and neutron electric and magnetic form factors as well as the nucleon axial form factor are presented for constituent quark models, based on either one-gluon-exchange and Goldstone-boson-exchange dynamics. The calculations are performed in a covariant framework using the point-form approach to relativistic quantum mechanics. The only input to the calculations is the nucleon wave function of the corresponding constituent quark model. A comparison is given to results of the instanton-induced constituent quark model treated with the Bethe-Salpeter equation.

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