2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/188186We present a prescription to calculate the quadratic and logarithmic divergent parts of several integrals employing a cutoff in a coherent way, i.e. in total agreement with symmetry requirements. As examples we consider one-loop Ward identities for QED and a phenomenological chiral model.11 pages, 3 graphsHigh Energy Physics - Phenomenologytext