Chiral symmetry and excited baryons
A. V. Nefediev, J. E. F. T. Ribeiro+, Adam P. Szczepaniak*
Institute of Theoretical and Experimental Physics, 117218 Moscow, Russia
+Centro de Física das Interacçoes Fundamentais (CFIF), Departamento de Física, Instituto Superior Técnico,
Universidade Técnica de Lisboa, Lisbon, Portugal
*Department of Physics and Nuclear Theory Center Indiana University, Bloomington, IN 47405, USA
PACS: 11.10.Ef, 12.38.-t
Abstract
An approach to baryons in the framework of the microscopic
Generalized Nambu-Jona-Lasinio chiral potential quark model is considered
and quite general arguments are given in favor of effective restoration of
chiral symmetry in excited baryons.