Isoscaling Behavior in ^48,40Ca+⁹Be Collisions at Intermediate Energy Investigated by the HIPSE Model

The fragment production cross sections for 140MeV/nucleon ^48,40Ca⁹Be reactions are calculated by the heavy-ion phase space exploration (HIPSE) model. Isoscaling behavior is observed. The isoscaling parameters α and β for both heavy and light fragments from the HIPSE model calculations are in good agreement with the experimental data. It is shown that the potential parameters in the HIPSE model have very little effect on the isoscaling parameters. The effect of the excitation energy and evaporation on the isoscaling behavior is also discussed.