[beta]-delayed [alpha] spectrum of [sup 16]N and the [sup 12]C([alpha],[gamma])[sup 16]O cross section at low energies
Journal Article
·
· Physical Review Letters; (United States)
- TRIUMF, Vancouver, British Columbia, V6T2A3 (Canada) University of Toronto, Toronto, Ontario, M5S1A7 (Canada) California Insitute of Technology, W. K. Kellogg Laboratory, Pasadena, California 91125 (United States) Simon Fraser University, Burnaby, British Columbia, V5A1S6 (Canada) University of Alberta, Edmonton, Alberta, T6G2J1 (Canada)
The [alpha] spectrum following the [beta] decay of [sup 16]N from the isotope separator TISOL has been measured by detecting 10[sup 6] [alpha] particles in coincidence with [sup 12]C nuclei. These data, which show a low-energy interference anomaly accompanying the main [alpha] peak, permit a more precise determination of the [ital p]-wave amplitude of the astrophysically important reaction [sup 12]C([alpha],[gamma])[sup 16]O. The [alpha] spectrum and previous [gamma]-ray data have been fitted simultaneously by a [ital K]-matrix parametrization; a value of [ital S]([ital E]=0.3 MeV)=57[plus minus]13 keV [ital b] has been obtained for the [ital E]1 part of the [sup 12]C([alpha],[gamma])[sup 16]O reaction.
- OSTI ID:
- 7176706
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 70:6; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:7015099
The {beta}-delayed {alpha} spectrum of {sup 16}N and the {sup 12}C({alpha},{gamma}){sup 16}O cross section at low energies
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Wed Mar 31 23:00:00 EST 1993
· Bulletin of the American Physical Society
·
OSTI ID:243779
Level matrix, sup 16 N. beta. decay, and the sup 12 C(. alpha. ,. gamma. ) sup 16 O reaction
Journal Article
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Sat Nov 30 23:00:00 EST 1991
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OSTI ID:5081882
Related Subjects
663210 -- Ground-State Radioactivity-- (1992-)
663440* -- D-
T-
& He-induced Reactions & Scattering-- (1992-)
663520 -- Nuclear Mass Ranges-- A=6-19-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
ALPHA SPECTRA
CARBON 12 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DATA ANALYSIS
DETECTION
ENERGY RANGE
EXPERIMENTAL DATA
GAMMA DETECTION
INFORMATION
K MATRIX
MATRICES
MEV RANGE
MEV RANGE 01-10
NUCLEAR REACTIONS
NUCLEOSYNTHESIS
NUMERICAL DATA
PARAMETRIC ANALYSIS
R MATRIX
RADIATION DETECTION
SPECTRA
SYNTHESIS
TARGETS
663440* -- D-
T-
& He-induced Reactions & Scattering-- (1992-)
663520 -- Nuclear Mass Ranges-- A=6-19-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
ALPHA SPECTRA
CARBON 12 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DATA ANALYSIS
DETECTION
ENERGY RANGE
EXPERIMENTAL DATA
GAMMA DETECTION
INFORMATION
K MATRIX
MATRICES
MEV RANGE
MEV RANGE 01-10
NUCLEAR REACTIONS
NUCLEOSYNTHESIS
NUMERICAL DATA
PARAMETRIC ANALYSIS
R MATRIX
RADIATION DETECTION
SPECTRA
SYNTHESIS
TARGETS