Charge-asymmetry equilibration in the reaction of /sup 129/ /sup 132/ /sup 136/Xe with /sup 197/Au near the interaction barrier
Journal Article
·
· Phys. Rev. Lett.; (United States)
Neutron-proton population ratios for quasielastic and inelastic processes in the reactions of 761-MeV /sup 129/Xe, 769-MeV /sup 132/Xe, and 795-MeV /sup 136/Xe ions with thick /sup 197/Au targets were determined radiochemically. Completely relaxed N/Z ratios are observed for damped collisions involving the transfer of ..delta..Z > or = 1 charge units. The limiting condition ..delta..Z approx. = 1 corresponds to a characteristic time of the order of 10/sup -22/ sec which indicates the absence of dissipative forces in the equilibration of the charge-asymmetry mode.
- Research Organization:
- Gesellschaft fuer Schwerionenforschung mbH, D-61 Darmstadt, Germany
- OSTI ID:
- 5320321
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 39:16; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651925* -- Nuclear Properties & Reactions
A=190-219
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ASYMMETRY
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DIRECT REACTIONS
ENERGY RANGE
EVAPORATION MODEL
GOLD 197 TARGET
HEAVY ION REACTIONS
INELASTIC SCATTERING
INTEGRAL CROSS SECTIONS
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR MODELS
NUCLEAR REACTIONS
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
SCATTERING
STATISTICAL MODELS
TARGETS
XENON 129 REACTIONS
XENON 132 REACTIONS
XENON 136 REACTIONS
A=190-219
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ASYMMETRY
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DIRECT REACTIONS
ENERGY RANGE
EVAPORATION MODEL
GOLD 197 TARGET
HEAVY ION REACTIONS
INELASTIC SCATTERING
INTEGRAL CROSS SECTIONS
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR MODELS
NUCLEAR REACTIONS
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
SCATTERING
STATISTICAL MODELS
TARGETS
XENON 129 REACTIONS
XENON 132 REACTIONS
XENON 136 REACTIONS