Chiral perturbation theory and the 1/N_c-expansion
arXiv:hep-ph/0011118 · doi:10.1142/9789812810977_0047
Abstract
We briefly review the effective theory that describes the low energy properties of QCD with three light quarks and a large number of colours, N_c, and then discuss the mechanisms that forbid the Kaplan-Manohar transformation in this framework.
arXiv comment2 pages. Talk given at the Workshop "Chiral Dynamics 2000: Theory and Experiment", Newport News, VA, USA, July 17-22, 2000