Isomer shells in the cross section of deep subbarrier photofission of heavy nuclei

Journal Article · Wed Aug 20 04:00:00 EDT 1975 · JETP Lett. (USSR) (Engl. Transl.), v. 22, no. 4, pp. 118-120

OSTI ID:4052419

Zhuchko, V E; Ignatyuk, A V; Ostapenko, Y B; Smirenkin, G N; Soldatov, A S; Tsipenyuk, Y M

For the isotopes $sup 232$Th, $sup 237$Np, and $sup 238$U, in the deep subbarrier region, an abrupt decrease of the slope of the energy dependence of the photofission cross section, called the isomer shelf is observed. An investigation of this phenomenon uncovers a number of new possibilities for the refinement of our concepts concerning the structure of the fission barrier of heavy nuclei. (AIP)

• Research Organization: Inst. of Problems in Physics, Moscow
• NSA Number: NSA-33-024887
• OSTI ID: 4052419
• Journal Information: JETP Lett. (USSR) (Engl. Transl.), v. 22, no. 4, pp. 118-120, Journal Name: JETP Lett. (USSR) (Engl. Transl.), v. 22, no. 4, pp. 118-120; ISSN JTPLA
• Country of Publication: United States
• Language: English

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CROSS SECTIONS
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N69161* --Physics (Nuclear
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A >= 220--Nuclear Reactions & Scattering--Spontaneous & Induced Fission:734