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Nucleon form factors in the projected linear chiral soliton model
Authors: P. Alberto, E. Ruiz Arriola, M. Fiolhais, F. Grümmer, J. Urbano and K. Goeke
Ref.: Physics Letters B 208, 75-78 (1988)
Abstract: Electromagnetic and axial form factors of the nucleon are evaluated using the lagrangian of the linear chiral soliton model. To this end angular momentum and isospin projected mean field solutions are determined variationally assuming valence quarks and pions in generalized hedgehog configurations. With the proper pion decay constant and after fitting the quark-meson coupling constant to the nucleon energy both proton and neutron charge from factors are reproduced as well as the slope of the magnetic ones. The axial form factor agrees less well with experiment. The pion form factor can be approximated by a monopole with a cut-off mass of 690 MeV.
