One-body energy dissipation in fusion reaction from mean-field theory

Details One-body energy dissipation in fusion reaction from mean-field theory One-body energy dissipation in fusion reaction from mean-field theory

2008-11-25

arxiv.org/abs/0811.4130v1

Phys.Rev.C79:024609,2009

Physics

Nuclear Physics

Nuclear Theory

7 pages, 10 figures

Scientific paper

10.1103/PhysRevC.79.024609

Information on dissipation in the entrance channel of heavy-ion collisions is extracted by macroscopic reduction procedure of Time-Dependent Hartree-Fock theory. The method gives access to a fully microscopic description of the friction coefficient associated with transfer of energy from the relative motion towards intrinsic degrees of freedom. The reduced friction coefficient exhibits a universal behavior, i.e. almost independent of systems investigated, whose order of magnitude is comparable with the calculations based on linear response theory. Similarly to nucleus-nucleus potential, especially close to the Coulomb barrier, there are sizable dynamical effects on the magnitude and form factor of friction coefficient.

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