|Author||Zhuchko, V. E. ♦ Ostapenko, Y. B. ♦ Smirenkin, G. N. ♦ Soldatov, A. S. ♦ Tsipenyuk, Y. M.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||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)|
|Abstract||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.|
|Learning Resource Type||Article|
|Publisher Department||Institute of Physics Problems, USSR Academy of Sciences|
|Publisher Place||United States|
|Journal||Sov. J. Nucl. Phys.|
|Organization||Institute of Physics Problems, USSR Academy of Sciences|
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