2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46822This is an introduction to the use of QCD perturbation theory, emphasizing generic features of the theory that enable one to separate short-time and long-time effects. I also cover some important classes of applications: electron-positron annihilation to hadrons, deeply inelastic scattering, and hard processes in hadron-hadron collisions.Lectures at the SLAC Summer Institute, August 1996. 54 pages including 39 figuresHigh Energy Physics - Phenomenologytext