Asymmetrical fission and statistical emission of complex fragments from the highly excited {sup 47}V compound nucleus
Conference
·
OSTI ID:10137035
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- Strasbourg-1 Univ., 67 (France). Centre de Recherches Nucleaires
- CEA Centre d`Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France)
- Oak Ridge National Lab., TN (United States)
- Istituto Nazionale di Fisica Nucleare, Catania (Italy)
- Shinshu Univ., Matsumoto, Nagano (Japan)
- Kansas Univ., Lawrence, KS (United States)
The properties of the fully damped (deep-inelastic and orbiting) and fusion (evaporation and fission) processes have been investigated in three entrance channels leading to the same {sup 47} V compound nucleus at high excitation energies. No entrance channel effect has been observed in either the evaporation residue or the fission-like yields in contrast to the {sup 28}Si + {sup 12}C and {sup 24}Mg + {sup 16}O reactions in which the orbiting process still persists. The asymmetrical elemental distributions of the fully energy relaxed fragments are well described by fusion-fission models based respectively on the scission point and saddle point pictures. Finally a general discussion of the competition between orbiting and fusion-fission mechanisms in light heavy-ion reactions is presented in the framework of their calculated available number of open channels.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 10137035
- Report Number(s):
- CONF-920140--1; ON: DE92011064
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
663450
663470
663520
663530
663540
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
A = 20-38
A = 39-58
A = 6-19
ANGULAR DISTRIBUTION
ASYMMETRY
CARBON 12 TARGET
CHLORINE 35 REACTIONS
COMPOUND NUCLEI
CROSS SECTIONS
ENERGY SPECTRA
FISSION
FISSION FRAGMENTS
HAUSER-FESHBACH THEORY
HEAVY-ION-INDUCED REACTIONS AND SCATTERING
MAGNESIUM 24 TARGET
SODIUM 23 REACTIONS
STATISTICAL MODELS
VANADIUM 47
663470
663520
663530
663540
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
A = 20-38
A = 39-58
A = 6-19
ANGULAR DISTRIBUTION
ASYMMETRY
CARBON 12 TARGET
CHLORINE 35 REACTIONS
COMPOUND NUCLEI
CROSS SECTIONS
ENERGY SPECTRA
FISSION
FISSION FRAGMENTS
HAUSER-FESHBACH THEORY
HEAVY-ION-INDUCED REACTIONS AND SCATTERING
MAGNESIUM 24 TARGET
SODIUM 23 REACTIONS
STATISTICAL MODELS
VANADIUM 47