Dynamics of the Multifragmentation of 1{ital A} GeV Gold on Carbon
An exclusive study of the interaction of 1{ital A}GeV Au with C shows a separability into two stages: a prompt stage involving emission of most {ital Z}=1 and some {ital Z}=2 particles and a second stage involving the decay of an equilibrated remnant, which typically undergoes multifragmentation. The mean mass, charge, excitation energy, and the initial temperature {ital T}{sub {ital i}} of the remnant have been determined as a function of the total charge multiplicity, {ital m}, as has the freeze-out temperature {ital T}{sub {ital f}}. Both {ital T}{sub {ital i}} and {ital T}{sub {ital f}} increase linearly with {ital m} and their values at the critical point have been determined. {ital T}{sub {ital f}} rises monotonically with excitation energy as expected for a continuous phase transition. {copyright} {ital 1996 The American Physical Society.}
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- DOE Contract Number:
- AC03-76SF00098; FG02-88ER40408; FG02-88ER40412; FG02-89ER40531; FG05-88ER40437
- OSTI ID:
- 288756
- Journal Information:
- Physical Review Letters, Vol. 77, Issue 2; Other Information: PBD: Jul 1996
- Country of Publication:
- United States
- Language:
- English
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