2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/141044Elementary particle physics is the quadrant of nature whose laws can be written in a few lines with absolute precision and the greatest empirical adequacy. If this is the case, as I believe it is, it must be possible and is probably useful to introduce the students and the interested readers to the entire subject in a compact way. This is the main aim of these Lectures.Revised version published in a book form by Scuola Normale SuperioreHigh Energy Physics - Phenomenologytext