Low-energy QCD

Abstract

After a brief introduction to chiral perturbation theory, the effective field theory of the standard model at low energies, two recent applications are reviewed: elastic pion-pion scattering to two-loop accuracy and the complete renormalized pion-nucleon Lagrangian to $O(p^3)$ in the chiral expansion.

Comments: 14 pages, Latex, 1 figure in uuencoded postscript file embedded with epsfig.sty. To appear in Proc. of Int. School of Nuclear Physics, Erice, Sept. 1995, Progr. Part. Nucl. Phys., vol. 36