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Measurement of sup 15 O(. alpha. ,. gamma. ) sup 19 Ne resonance strengths

Abstract

States in {sup 19}Ne above the {sup 15}O+{alpha} threshold were populated by means of the {sup 19}F({sup 3}He,t){sup 19}Ne* reaction, and their alpha-particle decays to the {sup 15}O ground state were measured. The branching ratios {Gamma}{sub {alpha}}/{Gamma}{sub total} for the E{sub c.m.}=850-, 1020-, 1971-, 1183- and 1563-keV resonances in {sup 15}O+{alpha} were determined. This information together with alpha-particle and/or gamma-ray partial widths (determined from knowledge of these quantities for the mirror states in {sup 19}F) determines the strengths of these {sup 15}O({alpha},{gamma}){sup 19}Ne resonances and the {sup 15}O({alpha},{gamma}){sup 19}Ne reaction rate for temperatures between 7x10{sup 8} and 3x10{sup 9} K. (orig.).
Authors:
Magnus, P V; Smith, M S; Howard, A J; Parker, P D; [1]  Champagne, A E [2] 
  1. Yale Univ., New Haven, CT (USA). Nuclear Structure Lab.
  2. Princeton Univ., NJ (USA). Dept. of Physics
Publication Date:
Jan 08, 1990
Product Type:
Journal Article
Reference Number:
AIX-21-034607; EDB-90-063833
Resource Relation:
Journal Name: Nuclear Physics, A; (Netherlands); Journal Volume: 506:2
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ALPHA REACTIONS; CAPTURE; FLUORINE 19 TARGET; HELIUM 3 REACTIONS; CHARGE-EXCHANGE REACTIONS; HELIUM BURNING; NEON 19; RESONANCE; OXYGEN 15 TARGET; ALPHA DECAY; ALPHA PARTICLES; BRANCHING RATIO; BREAKUP REACTIONS; DIFFERENTIAL CROSS SECTIONS; ENERGY SPECTRA; EXCITED STATES; EXPERIMENTAL DATA; LEVEL WIDTHS; MEV RANGE 10-100; NUCLEAR REACTION KINETICS; OXYGEN 15; PHOTONS; STRENGTH FUNCTIONS; TEMPERATURE DEPENDENCE; TRITONS; BETA DECAY RADIOISOTOPES; BETA-PLUS DECAY RADIOISOTOPES; CHARGED PARTICLES; CHARGED-PARTICLE REACTIONS; CROSS SECTIONS; DATA; DECAY; ELEMENTARY PARTICLES; ENERGY LEVELS; ENERGY RANGE; EVEN-ODD NUCLEI; FUNCTIONS; INFORMATION; ISOTOPES; KINETICS; LIGHT NUCLEI; MASSLESS PARTICLES; MEV RANGE; MINUTES LIVING RADIOISOTOPES; NEON ISOTOPES; NUCLEAR DECAY; NUCLEAR REACTIONS; NUCLEI; NUMERICAL DATA; OXYGEN ISOTOPES; RADIOISOTOPES; REACTION KINETICS; SECONDS LIVING RADIOISOTOPES; SPECTRA; STAR BURNING; TARGETS; 651320* - Nuclear Properties & Reactions, A=6-19, Experimental; 640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources
OSTI ID:
7044405
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0375-9474; CODEN: NUPAB; Other: CNN: DE-AC02-76ER03074; PHY-89-05182
Submitting Site:
NLN
Size:
Pages: 332-345
Announcement Date:
May 01, 1990

Citation Formats

Magnus, P V, Smith, M S, Howard, A J, Parker, P D, and Champagne, A E. Measurement of sup 15 O(. alpha. ,. gamma. ) sup 19 Ne resonance strengths. Netherlands: N. p., 1990. Web. doi:10.1016/0375-9474(90)90390-8.
Magnus, P V, Smith, M S, Howard, A J, Parker, P D, & Champagne, A E. Measurement of sup 15 O(. alpha. ,. gamma. ) sup 19 Ne resonance strengths. Netherlands. https://doi.org/10.1016/0375-9474(90)90390-8
Magnus, P V, Smith, M S, Howard, A J, Parker, P D, and Champagne, A E. 1990. "Measurement of sup 15 O(. alpha. ,. gamma. ) sup 19 Ne resonance strengths." Netherlands. https://doi.org/10.1016/0375-9474(90)90390-8.
@misc{etde_7044405,
title = {Measurement of sup 15 O(. alpha. ,. gamma. ) sup 19 Ne resonance strengths}
author = {Magnus, P V, Smith, M S, Howard, A J, Parker, P D, and Champagne, A E}
abstractNote = {States in {sup 19}Ne above the {sup 15}O+{alpha} threshold were populated by means of the {sup 19}F({sup 3}He,t){sup 19}Ne* reaction, and their alpha-particle decays to the {sup 15}O ground state were measured. The branching ratios {Gamma}{sub {alpha}}/{Gamma}{sub total} for the E{sub c.m.}=850-, 1020-, 1971-, 1183- and 1563-keV resonances in {sup 15}O+{alpha} were determined. This information together with alpha-particle and/or gamma-ray partial widths (determined from knowledge of these quantities for the mirror states in {sup 19}F) determines the strengths of these {sup 15}O({alpha},{gamma}){sup 19}Ne resonances and the {sup 15}O({alpha},{gamma}){sup 19}Ne reaction rate for temperatures between 7x10{sup 8} and 3x10{sup 9} K. (orig.).}
doi = {10.1016/0375-9474(90)90390-8}
journal = []
volume = {506:2}
journal type = {AC}
place = {Netherlands}
year = {1990}
month = {Jan}
}