2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/187363Precision tests of the Kobayashi-Maskawa model of CP violation are discussed, pointing out possible signatures for other sources of CP violation and for new flavor-changing operators. The current status of the most accurate tests is summarized.27 pages, minor corrections, to be published in Int. J. Mod. Phys. AHigh Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext