2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47628After a brief introduction to lattice QCD, I summarize the results for the light quark masses and the bag parameters $B_K$, $B_6^{1/2}$, and $B_8^{3/2}$. The implications of these results for the standard model estimates of CP violation parameters $ε$ and $ε'/ε$ are also discussed.20 pages. Based on invited talks given at the XVI AUTUMN SCHOOL AND WORKSHOP ON FERMION MASSES, MIXING AND CP VIOLATION, Instituto Superior Técnico, Lisboa, Portugal, 6-15 October 1997; and ORBIS SCIENTIAE 1997-II, PHYSICS OF MASS, Miami, Florida, Dec 12-15, 1997High Energy Physics - PhenomenologyHigh Energy Physics - Latticetext