2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40916I demonstrate that the short distance contribution to K --> Pi Pi decays must be supplemented with large distance effects. A hybrid calculation is outlined based on QCD diagrams supplemented by chiral contributions and Pi-Pi phaseshifts.9 pages, 4 figures, Invited talk presented at the International Conference on CP Violation: KAON 2001 (June 12--17, 2001; Pisa, Italy)High Energy Physics - Phenomenologytext