2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46723The present status of CP violation in decays of neutral kaons is reviewed. In addition selected rare decays of both K and B mesons are discussed. The emphasis is in particular on observables that can be reliably calculated and thus offer the possibility of clean tests of standard model flavor physics.LaTeX, 21 pages, 4 figuresHigh Energy Physics - Phenomenologytext