2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/117619We review recent measurements of kaon decays and lifetimes for the determination of the CKM element Vus. Their relevance to CKM matrix unitarity is discussed.proceedings of ICHEP06, 4 pagesHigh Energy Physics - ExperimentAccelerator Physicstext