2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44441This talk gives an introduction to the Standard Model Cabibbo-Kobayashi-Maskawa matrix and methods to extract information on the parameters of the unitarity triangle from B decays.Contributed to XXXXth Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, March 5-12 2005High Energy Physics - Phenomenologytext