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Anomalously broad spin distributions in sub-barrier fusion reactions

Journal Article · · Phys. Rev. Lett.; (United States)
; ; ; ; ;
The mean square spin value of the compound nucleus /sup 248/Cf has been determined from fission-fragment angular distributions for the /sup 12/C+/sup 236/U and /sup 16/O+/sup 232/Th reactions. The anisotropy and, hence, the mean square spin values are much larger than expected. Models which reproduce the enhancement observed in the sub-barrier fusion excitation functions fail to account for the spin-distribution observations.
Research Organization:
Nuclear Physics Laboratory, GL-10, University of Washington, Seattle, Washington 98195
OSTI ID:
5935529
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 56:12; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

652024* -- Nuclear Properties & Reactions
A=220 & above
Experimental-- Moments & Spin-- (-1987)
652025 -- Nuclear Properties & Reactions
A=220 & above
Experimental-- Nuclear Reactions & Scattering-- (-1987)
652026 -- Nuclear Properties & Reactions
A=220 & above
Experimental-- Spontaneous & Induced Fission-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
ANISOTROPY
CALIFORNIUM 248
CALIFORNIUM ISOTOPES
CARBON 12 REACTIONS
CHARGED-PARTICLE REACTIONS
COMPOUND NUCLEI
CROSS SECTIONS
DATA
DAYS LIVING RADIOISOTOPES
DISTRIBUTION
ENERGY RANGE
EVEN-EVEN NUCLEI
EXCITATION FUNCTIONS
EXPERIMENTAL DATA
FISSION
FISSION FRAGMENTS
FUNCTIONS
HEAVY ION FUSION REACTIONS
HEAVY ION REACTIONS
HEAVY NUCLEI
INFORMATION
ISOTOPES
MEV RANGE
MEV RANGE 10-100
MEV RANGE 100-1000
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
NUCLEAR TEMPERATURE
NUCLEI
NUMERICAL DATA
OXYGEN 16 REACTIONS
PARTICLE PROPERTIES
RADIOISOTOPES
SPIN
TARGETS
THORIUM 232 TARGET
URANIUM 236 TARGET