Properties of the angular anisotropy of deep sub-barrier photofission of even-even nuclei
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:5237374
We report the method and results of measurements of angular distributions of fragments in the (..gamma..,f) reaction for /sup 232/Th, /sup 236/U, and /sup 238/U carried out in connection with the investigation of the properties of deep sub-barrier photofission: the isomeric shelf phenomenon, disappearance of the angular anisotropy (/sup 236,238/U), and the absence of this effect and of the sub-barrier enhancement of quadrupole photofission in /sup 232/Th. The experimental data presented permit an understanding of the nature and relation of these properties in terms of the concept of a two-humped fission-barrier structure.
- Research Organization:
- Institute of Physics Problems, USSR Academy of Sciences
- OSTI ID:
- 5237374
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Vol. 30:3
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
THORIUM 232 TARGET
PHOTOFISSION
URANIUM 236 TARGET
URANIUM 238 TARGET
ANGULAR DISTRIBUTION
FISSION BARRIER
MEV RANGE 01-10
DISTRIBUTION
ENERGY RANGE
FISSION
MEV RANGE
NUCLEAR POTENTIAL
NUCLEAR REACTIONS
PHOTONUCLEAR REACTIONS
POTENTIALS
TARGETS
652026* - Nuclear Properties & Reactions
A=220 & above
Experimental- Spontaneous & Induced Fission- (-1987)
THORIUM 232 TARGET
PHOTOFISSION
URANIUM 236 TARGET
URANIUM 238 TARGET
ANGULAR DISTRIBUTION
FISSION BARRIER
MEV RANGE 01-10
DISTRIBUTION
ENERGY RANGE
FISSION
MEV RANGE
NUCLEAR POTENTIAL
NUCLEAR REACTIONS
PHOTONUCLEAR REACTIONS
POTENTIALS
TARGETS
652026* - Nuclear Properties & Reactions
A=220 & above
Experimental- Spontaneous & Induced Fission- (-1987)