Mass distributions of fission fragments from heated nuclei and the drop model
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:5200826
Mass distributions have been measured for fission fragments from the target nuclei /sup 162/Dy, /sup 169/Tm, /sup 176/Hf, /sup 181/Ta, and /sup 180/W bombarded by /sup 3/He ions of energy 60-65 MeV. From the experimental data on the dispersion of the distributions the stability parameters of the nuclei at the saddle point have been determined with respect to mass-asymmetric deformations Q, and these are compared with the predictions of the liquid-drop statistical model and fluctuation-dissipation dynamics. A quantitative analysis of the dependence Q(X) and the fission barriers shows the incompleteness of the contemporary description of the macroscopic component of the masses and energies of the nuclei.
- Research Organization:
- Institute of Nuclear Physics, Kazakh Academy of Sciences
- OSTI ID:
- 5200826
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 43:5; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651816 -- Nuclear Properties & Reactions
A=150-189
Theoretical-- Spontan eous & Induced Fission-- (-1987)
651826* -- Nuclear Properties & Reactions
A=150-189
Experimental-- Spontaneous & Induced Fission-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CHARGED-PARTICLE REACTIONS
DATA
DYSPROSIUM 162 TARGET
ENERGY RANGE
EXPERIMENTAL DATA
FISSION
FISSION BARRIER
FISSION FRAGMENTS
HAFNIUM 176 TARGET
HELIUM 3 REACTIONS
INFORMATION
LIQUID DROP MODEL
MASS SPECTRA
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 10-100
NUCLEAR FRAGMENTS
NUCLEAR MODELS
NUCLEAR POTENTIAL
NUCLEAR REACTIONS
NUMERICAL DATA
POTENTIALS
SPECTRA
TANTALUM 181 TARGET
TARGETS
THULIUM 169 TARGET
TUNGSTEN 180 TARGET
A=150-189
Theoretical-- Spontan eous & Induced Fission-- (-1987)
651826* -- Nuclear Properties & Reactions
A=150-189
Experimental-- Spontaneous & Induced Fission-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CHARGED-PARTICLE REACTIONS
DATA
DYSPROSIUM 162 TARGET
ENERGY RANGE
EXPERIMENTAL DATA
FISSION
FISSION BARRIER
FISSION FRAGMENTS
HAFNIUM 176 TARGET
HELIUM 3 REACTIONS
INFORMATION
LIQUID DROP MODEL
MASS SPECTRA
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 10-100
NUCLEAR FRAGMENTS
NUCLEAR MODELS
NUCLEAR POTENTIAL
NUCLEAR REACTIONS
NUMERICAL DATA
POTENTIALS
SPECTRA
TANTALUM 181 TARGET
TARGETS
THULIUM 169 TARGET
TUNGSTEN 180 TARGET