Symmetry energy and the isospin dependent equation of state Academic Article uri icon

abstract

  • The isoscaling parameter , from the fragments produced in the multifragmentation of 58Ni+58Ni, 58Fe + 58Ni and 58Fe+58Fe reactions at 30, 40 and 47 MeV/nucleon, was compared with that predicted by the antisymmetrized molecular dynamic calculation based on two different nucleon-nucleon effective forces, namely the Gogny and Gogny-AS interaction. The results show that the data agree better with the choice of Gogny-AS effective interaction, resulting in a symmetry energy of 18-20 MeV. The observed value indicates that the fragments are formed at a reduced density of 0.08 fm-3.

published proceedings

  • PHYSICAL REVIEW C

author list (cited authors)

  • Shetty, D. V., Yennello, S. J., Botvina, A. S., Souliotis, G. A., Jandel, M., Bell, E., ... Iglio, J.

citation count

  • 64

complete list of authors

  • Shetty, DV||Yennello, SJ||Botvina, AS||Souliotis, GA||Jandel, M||Bell, E||Keksis, A||Soisson, S||Stein, B||Iglio, J

publication date

  • July 2004