Radiochemical study of the /sup 12/C(/sup 3/He, /sup 7/Be) reaction mechanism at 30 MeV
Journal Article
·
· Phys. Rev., C; (United States)
The excitation function for the /sup 12/C(/sup 3/He, /sup 7/Be) reaction has been measured up to incident energies of 31 MeV, and the /sup 7/Be recoil properties determined in a series of catcher foil experiments at 30 MeV. Based on the different recoil properties of /sup 7/Be formed by each of four different mechanisms, the contribution of each has been estimated. At 30 MeV the predominant mode of /sup 7/Be formation is through sequential decay of the compound nucleus /sup 15/O*..-->../sup 11/C*+..cap alpha../sub 1/ ..-->../sup 7/Be+..cap alpha../sub 2/+..cap alpha../sub 1/ (approx. =39 mb). This is followed in importance by the direct n pickup reaction to certain excited states in /sup 11/C followed by ..cap alpha..-particle emission /sup 11/C*..-->../sup 7/Be+..cap alpha... The direct ..cap alpha..-particle pickup reaction and compound nucleus evaporation of /sup 7/Be have smaller cross sections (approx. =1 mb and <1 mb, respectively). (AIP)
- Research Organization:
- Department of Chemistry and Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
- OSTI ID:
- 7352402
- Journal Information:
- Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 13:6; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
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Study of the reaction /sup 13/C(. cap alpha. ,. cap alpha. ')/sup 13/C(n)/sup 12/C by means of correlations between the. cap alpha. particle and the /sup 12/C nucleus
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Related Subjects
651325* -- Nuclear Properties & Reactions
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
ALPHA DECAY RADIOISOTOPES
ALPHA-TRANSFER REACTIONS
BERYLLIUM 7
BERYLLIUM 8
BERYLLIUM ISOTOPES
BETA DECAY RADIOISOTOPES
CARBON 12 TARGET
CHARGED-PARTICLE REACTIONS
COMPOUND-NUCLEUS REACTIONS
CROSS SECTIONS
DAYS LIVING RADIOISOTOPES
DIRECT REACTIONS
ELECTRON CAPTURE RADIOISOTOPES
ENERGY RANGE
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
EXCITATION FUNCTIONS
FOUR-NUCLEON TRANSFER REACTIONS
HELIUM 3 REACTIONS
ISOTOPES
LIGHT NUCLEI
MEV RANGE
MEV RANGE 10-100
MULTI-NUCLEON TRANSFER REACTIONS
NUCLEAR REACTIONS
NUCLEI
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
TARGETS
TRANSFER REACTIONS
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
ALPHA DECAY RADIOISOTOPES
ALPHA-TRANSFER REACTIONS
BERYLLIUM 7
BERYLLIUM 8
BERYLLIUM ISOTOPES
BETA DECAY RADIOISOTOPES
CARBON 12 TARGET
CHARGED-PARTICLE REACTIONS
COMPOUND-NUCLEUS REACTIONS
CROSS SECTIONS
DAYS LIVING RADIOISOTOPES
DIRECT REACTIONS
ELECTRON CAPTURE RADIOISOTOPES
ENERGY RANGE
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
EXCITATION FUNCTIONS
FOUR-NUCLEON TRANSFER REACTIONS
HELIUM 3 REACTIONS
ISOTOPES
LIGHT NUCLEI
MEV RANGE
MEV RANGE 10-100
MULTI-NUCLEON TRANSFER REACTIONS
NUCLEAR REACTIONS
NUCLEI
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
TARGETS
TRANSFER REACTIONS