2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42673We report interim results of the PIBETA experiment analysis for the pion beta decay and pion radiative decay. The former is in excellent agreement with the SM predictions at the 1% accuracy level.Invited talk at the Workshop on the CKM Unitarity Triangle, IPPP Durham, April 2003 (eConf C0304052). 4 pages LaTeX, 6 eps figuresHigh Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext