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Physical Review Letters 76 (1996) 4492-4495
Isospin Dependence of Collective Flow in Heavy-Ion Collisions at Intermediate Energies
B.A. Li, Z. Ren1, C. M. Ko, S.J. Yennello
(1996)

Within the framework of an isospin-dependent Boltzmann-Uehling-Uhlenbeck model using initial proton and neutron densities calculated from the nonlinear relativistic mean-field theory, we compare the strength of transverse collective flow in reactions 48Ca+58Fe and 48Cr+58Ni, which have the same mass number but different neutron/proton ratios. The neutron-rich system (48Ca+58Fe) is found to show significantly stronger negative deflection and consequently has a higher balance energy, especially in peripheral collisions.
1 :  GANIL - Grand Accélérateur National d'Ions Lourds
Physique/Physique Nucléaire Théorique