Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2006-07-17
Nucl.Phys.A781:521-530,2007
Physics
Nuclear Physics
Nuclear Theory
LaTeX, 15 pages, 5 figures, minor modifications, accepted for publication in Nuclear Physics A
Scientific paper
10.1016/j.nuclphysa.2006.11.019
The reaction mechanism of nucleus-nucleus collisions at projectile energies around the Fermi energy is investigated with emphasis on the production of fragmentation-like residues. The results of simulations are compared to experimental mass distributions of elements with Z = 21 - 29 observed in the reactions 86Kr+124,112Sn at 25 AMeV. The model of incomplete fusion is modified and a component of excitation energy of the cold fragment dependent on isospin asymmetry is introduced. The modifications in the model of incomplete fusion appear consistent with both overall model framework and available experimental data. A prediction is provided for the production of very neutron-rich nuclei using a secondary beam of 132Sn where e.g. the reaction 132Sn+238U at 28 AMeV appears as a possible alternative to the use of fragmentation reactions at higher energies.
Souliotis G. A.
Veselsky Martin
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