Relativistic Quark Spin Coupling Effects in the Correlations Between Nucleon Electroweak Properties
E. F. Suisso, W. R. B. de Araujo, T. Frederico, M. Beyer, H. J. Weber
Abstract
We investigate the effect of different relativistic spin couplings of constituent quarks on nucleon electroweak properties. Within each quark spin coupling scheme the correlations between static electroweak observables are found to be independent of the particular shape of the momentum part of the nucleon light-front wave function. The neutron charge form factor is very sensitive to different choices of spin coupling schemes once the magnetic moment is fitted to the experimental value. However, it is found rather insensitive to the details of the momentum part of the three-quark wave function model.
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