2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/126363A brief introduction to the low-energy effective field theory of the standard model, chiral perturbation theory, is presented.40 pages, 16 figures, lectures held at the workshop "Physics and Astrophysics of Hadrons and Hadronic Matter", Visva Bharati University, Shantiniketan, India, November 6-11, 2006High Energy Physics - PhenomenologyNuclear Theorytext