2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41699In this talk I review an effective field theory that has been developed for processes with energetic hadrons, referred to as the Soft-Collinear Effective Theory. After outlining properties of the effective theory I briefly discuss its application to the processes B -> D pi and B -> Xs gamma.7 pages, Invited Plenary talk at Flavor Physics and CP Violation, Philadelphia, PA, May 2002High Energy Physics - Phenomenologytext