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A "Little Big Bang" Scenario of Multifragmentation

By Xavier Campi, Hubert Krivine, Eric Plagnol and Nicolas Sator

Abstract

15 pages, 12 figuresWe 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

Topics: Statistical Mechanics, [PHYS.COND.CM-SM] Physics [physics]/Condensed Matter [cond-mat]/Statistical Mechanics [cond-mat.stat-mech]
Publisher: American Physical Society
Year: 2003
OAI identifier: oai:HAL:hal-00002408v1
Provided by: Hal-Diderot
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