Fractional processes and nuclear disassembly in very-heavy-ion collisions in the Fermi energy regime
Conference
·
OSTI ID:5129054
Exclusive measurements of charged products and neutrons were performed for the reactions {sup 197}Au + (29 MeV/u) {sup 208}Pb and {sup 209}Bi + (28.2 MeV/u) {sup 136}Xe. The multiplicities of neutrons and charged particles are found to indicate collision impact parameters with different sensitivities. Characteristic correlations observed between massive products and light particles suggest the dominance of the damped-reaction mechanism in the Fermi energy domain. For central collisions, massive fragments are no longer observed, and a considerable fraction of the mass of the system is found disassembled into light particles and clusters. 75 refs., 19 figs.
- Research Organization:
- Rochester Univ., NY (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG02-88ER40414
- OSTI ID:
- 5129054
- Report Number(s):
- CONF-9106158-7; ON: DE92000823
- Resource Relation:
- Conference: Towards a unified picture on nuclear dynamics, Nikko (Japan), 6-14 Jun 1991
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
LEAD 208 TARGET
GOLD 197 REACTIONS
XENON 136 TARGET
BISMUTH 209 REACTIONS
CAPTURE
CROSS SECTIONS
EVAPORATION MODEL
FERMI LEVEL
MULTIPLICITY
NEUTRON REACTIONS
BARYON REACTIONS
CHARGED-PARTICLE REACTIONS
ENERGY LEVELS
HADRON REACTIONS
HEAVY ION REACTIONS
MATHEMATICAL MODELS
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEON REACTIONS
TARGETS
651920* - Nuclear Properties & Reactions
A=190-219
Experimental
651720 - Nuclear Properties & Reactions
A=90-149
Experimental
LEAD 208 TARGET
GOLD 197 REACTIONS
XENON 136 TARGET
BISMUTH 209 REACTIONS
CAPTURE
CROSS SECTIONS
EVAPORATION MODEL
FERMI LEVEL
MULTIPLICITY
NEUTRON REACTIONS
BARYON REACTIONS
CHARGED-PARTICLE REACTIONS
ENERGY LEVELS
HADRON REACTIONS
HEAVY ION REACTIONS
MATHEMATICAL MODELS
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEON REACTIONS
TARGETS
651920* - Nuclear Properties & Reactions
A=190-219
Experimental
651720 - Nuclear Properties & Reactions
A=90-149
Experimental