Isospin fractionation and isoscaling in dynamical nuclear collisions
Akira Ono, P. Danielewicz, W. A. Friedman, W. G. Lynch, M. B. Tsang
Abstract
Isoscaling is found to hold for fragment yields in the antisymmetrized molecular dynamics (AMD) simulations for collisions of calcium isotopes at 35 MeV/nucleon. This suggests the applicability of statistical considerations to the dynamical fragment emission. The observed linear relationship between the isoscaling parameters and the isospin asymmetry of fragments supports the above suggestion. The slope of this linear function yields information about the symmetry energy in low density region where multifragmentation occurs.
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