2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/227514The nonrelativistic and relativistic Breit-Wigner forms are conventionally used for the resonance fitting. In this note we consider the application of the Breit-Wigner formula with radiative corrections in initial state.3 pagesHigh Energy Physics - PhenomenologyData Analysis, Statistics and Probabilitytext