Chiral perturbation theory

Abstract

We give a brief introduction to chiral perturbation theory in its various settings. We discuss some applications of recent interest including chiral extrapolations for lattice gauge theory.

Commissioned article for Ann. Rev. Nucl. Part. Sci., 27 pp, 7 figs

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• Decay Constants of Pseudoscalar Mesons to Two Loops in Three-Flavor Partially Quenched $\chi$PT
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