4{pi} studies of the 1.8{endash}4.8 GeV {sup 3}He+{sup nat}Ag, {sup 197}Au reactions. II. Multifragmentation
- Departments of Chemistry and Physics and Indiana University Cyclotron Facility, Indiana University, Bloomington, Indiana 47405 (United States)
- Commissariat a l`Energie Atomique, DAPNIA Service de Physique Nucleaire, C. E. Saclay, 91191 Gif-sur-Yvette, Cedex (France)
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia (Canada)
- Department of Physics, University of Wisconsin, Madison, Wisconsin 53706 (United States)
- Institute of Physics, Jagiellonian University, 30-059 Krakow (Poland)
- Department of Physics, University of Maryland, College Park, Maryland 20742 (United States)
Multifragmentation of {sup nat}Ag and {sup 197}Au nuclei induced by 1.8{endash}4.8 GeV {sup 3}He ions has been studied with the Indiana Silicon Sphere 4{pi} detector array. Rapidity, moving source, and sphericity-coplanarity analyses are consistent with near-simultaneous emission from a source in approximate kinetic equilibrium. For the most dissipative collisions, the spectral peaks are broadened and shifted to very low energies, indicative of emission from an extended nuclear system with {rho}/{rho}{sub 0}{approximately}1/3. Predictions of an intranuclear cascade/expanding, emitting source model compare well with experimental multiplicity distributions and the evolution of fragment spectral shapes. {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 286816
- Journal Information:
- Physical Review, C, Vol. 54, Issue 2; Other Information: PBD: Aug 1996
- Country of Publication:
- United States
- Language:
- English
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