Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-07-07
Nucl.Phys. A592 (1995) 513-538
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, 11 figures added as postscript files (uuencoded), RevTeX format, no special macros, final version to appear in Nucl.
Scientific paper
10.1016/0375-9474(95)00309-O
In this paper we present the derivation as well as the numerical results for the electromagnetic form factors of the nucleon within the chiral quark soliton model in the semiclassical quantization scheme. The model is based on semibosonized SU(2) Nambu -- Jona-Lasinio lagrangean, where the boson fields are treated as classical ones. Other observables, namely the nucleon mean squared radii, the magnetic moments, and the nucleon--$\Delta$ splitting are calculated as well. The calculations have been done taking into account the quark sea polarization effects. The final results, including rotational $1/N_c$ corrections, are compared with the existing experimental data, and they are found to be in a good agreement for the constituent quark mass of about 420 MeV. The only exception is the neutron electric form factor which is overestimated.
Christov Chr.-V.
Goeke Klaus
Gorski Andrzej Z.
Pobylitsa P. V.
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