RESEARCH ON FISSION DYNAMICS AT JYFL USING HENDES HIGH-EFFICIENCY NEUTRON DETECTION SYSTEM

In an effort to extend the scope of basic research centred around the new K-130 heavy-ion cyclotron at the Physics Department of the Univers ity of Jyvaskyla a new experimental device called HENDES has been cons tructed. It is designed for correlation measurements of fission fragme nts, neutrons, and light charged particles produced in heavy ion induc ed reactions in the energy range of about 5 to 10 MeV/A. Collective dy namical parameters of nuclear matter are extracted from the data. New results were obtained from Ar-40 + Hf-180 reaction at E(Ar) = 190-250 MeV. Work is in progress to study the influence of neutron excess on t he fusion-fission dynamics in different combinations of Ni beams on Sn targets.