2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/104514We identified a set of four rephasing invariant parameters of the CKM matrix. They are found to exhibit hierarchies in powers of $λ^2$, from $λ^2$ to $λ^8$. It is shown that, at the present level of accuracy, only the first three parameters are needed to fit all available data on flavor physics.2 figuresHigh Energy Physics - Phenomenologytext