Electromagnetic form factors of the baryon octet in the perturbative chiral quark model

Amand Faessler (Tuebingen U.); K. Pumsa-ard (Tuebingen U.); S. Cheedket (Tuebingen; Suranaree U.); Th. Gutsche (Tuebingen U.); V.E. Lyubovitskij (Tuebingen U.); Y. Yan (Suranaree U.)

arxiv: hep-ph/0212347 · v3 · submitted 2002-12-23 · ✦ hep-ph

Electromagnetic form factors of the baryon octet in the perturbative chiral quark model

S. Cheedket (Tuebingen , Suranaree U.) , V.E. Lyubovitskij (Tuebingen U.) , Th. Gutsche (Tuebingen U.) , Amand Faessler (Tuebingen U.) , K. Pumsa-ard (Tuebingen U.) , Y. Yan (Suranaree U.) This is my paper

classification ✦ hep-ph

keywords baryonformfactorschiralelectromagneticmagneticmodeloctet

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We apply the perturbative chiral quark model at one loop to analyze the electromagnetic form factors of the baryon octet. The analytic expressions for baryon form factors, which are given in terms of fundamental parameters of low-energy pion-nucleon physics (weak pion decay constant, axial nucleon coupling, strong pion-nucleon form factor), and the numerical results for baryon magnetic moments, charge and magnetic radii are presented. Our results are in good agreement with experimental data.

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Electromagnetic form factors of the baryon octet in the perturbative chiral quark model

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