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We suggest an effective quark model for low-lying baryon octet and decupletmotivated by QCD with a linearly rising confinement potential incorporating theextended Nambu-Jona-Lasinio (ENJL) model with linear realization of chiralU(3)XU(3) symmetry. Baryons are considered as external heavy states coupled tolocal three-quark currents with fixed spinorial structure and to low-lyingmesons through quark-meson interactions defined in the ENJL--model. In theconstituent quark loop representation we have calculated the coupling constantsof the (pi NN), (pi N Delta) and (gamma N Delta) interactions and the(sigma_{\pi N})-term. The obtained results are in reasonable agreement withexperimental data and other effective field theory approaches.Comment: 16 pages, Latex, no figure

physical review. c. nuclear physics/physical review. c, nuclear physics

Effective quark model with chiral<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>U</mml:mi><mml:mo>(</mml:mo><mml:mn>3</mml:mn><mml:mo>)</mml:mo><mml:mn /><mml:mo>×</mml:mo><mml:mi>U</mml:mi><mml:mo>(</mml:mo><mml:mn>3</mml:mn><mml:mo>)</mml:mo><mml:mn /></mml:math>symmetry for baryon octet and decuplet

Effective quark model with chiralU(3)×U(3)symmetry for baryon octet and decuplet