|Authors:||W. Trautmann for the INDRA-ALADIN collaboration|
Proceedings of the
International Workshop On Multifragmentation And Related Topics
(IWM 2001), 28 Nov - 1 Dec 2001, Catania, Italy
edited by G. Agnello, A. Pagano, S. Pirrone (Catania, 2002), p. 63
|Abstract:||The multi-fragment spectator decays following collisions of
197Au on 197Au and other heavy nuclei at
relativistic bombarding energies have been studied by the ALADIN
collaboration in recent years. The partitioning modes of
the excited systems and their thermodynamic properties at breakup
were in the center of interest in these experiments.
Temperatures and excitation energies, but also breakup densities
and emission times have been determined.
More recently, the multifragmentation of highly excited heavy nuclei was studied with the 4π multidetector INDRA in experiments at the GSI in 1998 and 1999. The motivation for these new experiments was to extend the investigation of fragmentation processes and of their link to the liquid-gas phase transition to bombarding energies beyond those used in previous INDRA campaigns at GANIL. First results from the analysis of these data will be discussed with particular emphasis on topics related to previous ALADIN work.
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