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Reaction mechanism in highly fragmented Pb + Au collisions at 29 MeV/u

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
387
Issue
3
Identifiers
DOI: 10.1016/0370-2693(96)01068-4
Keywords
  • Nuclei

Abstract

Abstract Events in which at least 5 fragments with charge larger than 8 were emitted in dissipative Pb + Au collisions at 29 MeV/u incident energy are studied. An event by event shape analysis is performed and a prescription is proposed to select the most central collisions. For these latter, it is shown by comparing the data with the results of computer simulations that the di-nuclear system disassembles before re-separating, meaning that its lifetime is smaller than the interaction time. This conclusion is also supported qualitatively by studying light particle patterns.

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