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Foundations and Scope of Chiral Perturbation Theory

H. Leutwyler

hep-pharXiv:hep-ph/9409423

Abstract

The aim of this introductory lecture is to review the arguments, according to which the symmetry properties of the strong interaction reveal themselves at low energies. I first discuss the symmetries of QCD, then sketch the method used to work out their implications and finally take up a few specific issues, where new experimental results are of particular interest to test the predictions. (Talk given at the Workshop "Chiral Dynamics: Theory and Experiment", July 1994, MIT, BUTP 94/18)

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