Comparison between the fragmentation processes in central Pb + Ag and Pb + Au collisions - IN2P3 - Institut national de physique nucléaire et de physique des particules
Journal Articles Nuclear Physics A Year : 1997

Comparison between the fragmentation processes in central Pb + Ag and Pb + Au collisions

Abstract

The fragmentation processes of a medium mass system and of a very massive one formed in central collisions are compared within the Landau-Vlasov model taking into account both the isospin dependence and the two-body residual interactions. The simulations predict the formation of a roughly ellipsoidal source in the central Pb + Ag reactions while, for the Pb + Au system, the fragmentation occurs from an hollow source, the configuration of which being intermediate between bubble-like and toroidal shapes. This different shapes explain and allow to reproduce semi-quantitatively the two different profiles of the experimental kinetic energy spectra.
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Dates and versions

in2p3-00003533 , version 1 (23-10-2019)

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Benoit Jouault, Guy Royer, J.F. Lecolley, Fayrouz. Haddad, F. Sebille. Comparison between the fragmentation processes in central Pb + Ag and Pb + Au collisions. Nuclear Physics A, 1997, 615, pp.82-94. ⟨10.1016/S0375-9474(96)00477-0⟩. ⟨in2p3-00003533⟩
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