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Physical Review C 67 (2003) 044610-

A Little Big Bang scenario of fragmentation

X. Campi, H. Krivin, E. Plagnol1, N. Sator

(2003)

We suggest a multifragmentation scenario in which fragments are produced at an early, high temperature and high density, stage of the reaction. In this scenario, self-bound clusters of particles in the hot and dense fluid are the precursors of the observed fragments. This solves a number of recurrent problems concerning the kinetic energies and the temperature of the fragments, encountered with the standard low density fragmentation picture. The possibility to recover the initial thermodynamic parameters from the inspection of the asymptotic fragment size and kinetic energy distributions is discussed.

1 :	PCC - Physique Corpusculaire et Cosmologie - Collège de France

Thème(s)

:

Physique/Astrophysique/Cosmologie et astrophysique extra-galactique

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Soumis le : Mardi 15 Juillet 2003, 15:23:49

Dernière modification le : Mardi 15 Juillet 2003, 15:23:49