2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/221035Different analytical approximations to the time-dependent fission-decay width used to extract the influence of dissipation on the fission process are critically examined. Calculations with a new, highly realistic analytical approximation to the exact solution of the Fokker-Planck equation sheds doubts on previous conclusions on the dissipation strength made on the basis of less realistic approximations.1 figureNuclear Experimenttext