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Interactions of energetic gold nuclei in nuclear emulsions

Journal Article · · Phys. Rev. C; (United States)
;
The nuclear interactions of 1 /sub 79//sup 97/Au nuclei of initial energy 990 MeV/nucleon have been studied in nuclear emulsions as they slow down and stop. Typically, these interactions are fragmentations of the incident nucleus into an average of 2.0 +- 0.3 fragments with Z> or =3 and 4.2 +- 0.2 helium nuclei. As many as eight Z> or =3 fragments or 22 helium nuclei have been observed to be produced in a single interaction. The dependence on incident energy and target nucleus is discussed. Some 7% of the interactions appear to be fission in flight of the excited projectile nucleus emerging from the interaction, with the release of two highly charged fragments that contain most, if not all, of the incident charge. The charge distribution of these fragments ranges from symmetric to highly asymmetric.
Research Organization:
School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455
OSTI ID:
5990109
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 31:3; ISSN PRVCA
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)
651926 -- Nuclear Properties & Reactions
A=190-219
Experimental-- Spontaneous & Induced Fission-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BROMINE
CHARGE DISTRIBUTION
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
ELEMENTS
ENERGY DEPENDENCE
ENERGY RANGE
FISSION
FLUIDS
FRAGMENTATION
GASES
GEV RANGE
GEV RANGE 100-1000
GOLD 197 REACTIONS
HALOGENS
HEAVY ION REACTIONS
HELIUM
HYDROGEN
INTERMEDIATE MASS NUCLEI
ISOTOPES
MANGANESE 55
MANGANESE ISOTOPES
MEAN FREE PATH
METALS
NONMETALS
NUCLEAR EMULSIONS
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
NUCLEI
ODD-EVEN NUCLEI
RARE GASES
SILVER
STABLE ISOTOPES
SYMMETRY
TRANSITION ELEMENTS