2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/204806We analyze the contributions of hadronic final-state interactions to the strong phases generated in the B -> Kpipi weak decays. To this end, we develop an alternative approach to the commonly employed isobar model based upon scalar and vector form factors for pion-pion and pion-kaon interactions.Talk given at MENU '07, Juelich, Germany, September 2007High Energy Physics - PhenomenologyNuclear Theorytext