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Early-reaction-phase energy transformation in heavy-ion reactions below 100 MeV/u

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
625
Identifiers
DOI: 10.1016/j.physletb.2005.07.069
Keywords
  • Phenomenology
Disciplines
  • Mathematics

Abstract

Abstract An extensive study of maximal values that the main forms of energy take during the compact dynamical phase of heavy-ion reactions has been carried out within the framework of a semiclassical transport approach. Several systems having different total mass and asymmetry have been studied over a full range of impact parameter and a wide range of incident energies below 100 MeV/u. It has been found that maxima of compression and thermal energy as a function of impact parameter closely follow the reaction geometry in the spirit of the participant–spectator picture and in head-on collisions are proportional to the available center-of-mass energy. Indication of a smooth transition between the low-energy reaction mechanism (deep inelastic model) and the higher-energy reaction mechanism (participant–spectator-like geometrical picture) is identified around the Fermi energy.

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