The antisymmetrized molecular dynamics (AMD) simulations suggest that the
isospin composition of fragments produced dynamically in multifragmentation
reactions is basically governed by the symmetry energy of low-density uniform
nuclear matter rather than the symmetry energy for the ground-state finite
nuclei. After the statistical secondary decay of the excited fragments, the
symmetry energy effect still remains in the fragment isospin composition,
though the effect in the isoscaling parameter seems a very delicate problem.Comment: Proceedings for VI Latin American Symposium on Nuclear Physics and
Applications, Iguazu, Argentina (2005). To be published in Acta Phys. Hung.
