2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/81682We investigate the formation and the decay of heavy systems which are above the fission barrier. By using a microscopic simulation of constraint molecular dynamics (CoMD) on Au+Au collision, we observe composite states stay for very long time before decaying by fission.12 pages including 5 figuresNuclear Theorytext