Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2008-04-16
Phys.Rev.C78:024612,2008
Physics
Nuclear Physics
Nuclear Experiment
28 pages, 13 figures
Scientific paper
10.1103/PhysRevC.78.024612
The collisions in four different reaction systems using $^{40,48}$Ca and $^{58,64}$Ni isotope beams and a Be target have been simulated using the Heavy Ion Phase Space Exploration and the Antisymmetrized Molecular Dynamics models. The present study mainly focuses on the model predictions for the excitation energies of the hot fragments and the cross sections of the final fragments produced in these reactions. The effects of various factors influencing the final fragment cross sections, such as the choice of the statistical decay code and its parameters have been explored. The predicted fragment cross sections are compared to the projectile fragmentation cross sections measured with the A1900 mass separator. At $E/A=140$ MeV, reaction dynamics can significantly modify the detection efficiencies for the fragments and make them different from the efficiencies applied to the measured data reported in the previous work. The effects of efficiency corrections on the validation of event generator codes are discussed in the context of the two models.
Charity Robert J.
Danielewicz Pawel
Lacroix Denis
Lynch William G.
Mocko M.
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