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Isotopic-yield ratios of complex fragments from intermediate-energy heavy-ion reactions

Journal Article · · Phys. Rev. Lett.; (United States)
; ; ; ; ; ; ; ; ; ;
Isotopically resolved yields of intermediate-mass fragments from /sup 12/C- and /sup 18/O-induced reactions on /sup 58,64/Ni, /sup nat/Ag, and /sup 197/Au at E/A = 84 MeV were measured. The systematic variation of the yield ratios with projectile and target shows that these fragments are produced by a mechanism that involves the whole target nucleus. It is demonstrated that, within a statistical interpretation, the isotope-yield ratios are a measure of the entropy and determine a relation between temperature and density at breakup.
Research Organization:
Gesellschaft fuer Schwerionenforschung, D-6100 Darmstadt, West Germany
OSTI ID:
6600875
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 58:18; ISSN PRLTA
Country of Publication:
United States
Language:
English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACCELERATORS
ANGULAR DISTRIBUTION
BARYONS
CARBON 12 REACTIONS
CERN SYNCHROCYCLOTRON
CHARGED PARTICLES
CHARGED-PARTICLE REACTIONS
CYCLIC ACCELERATORS
DISTRIBUTION
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
ENERGY SPECTRA
ENTROPY
FERMIONS
FRAGMENTATION
GEV RANGE
GEV RANGE 01-10
GOLD 197 TARGET
HADRONS
HEAVY ION REACTIONS
ISOTOPE RATIO
MASS SPECTRA
MATHEMATICAL MODELS
METALS
NICKEL 58 TARGET
NICKEL 64 TARGET
NUCLEAR REACTIONS
NUCLEONS
OXYGEN 18 REACTIONS
PHYSICAL PROPERTIES
PROTONS
SILVER
SPECTRA
STATISTICAL MODELS
SYNCHROCYCLOTRONS
TARGETS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENTS
TRITONS