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Particle decays in /sup 28/Si: The destruction of /sup 27/Al in red giants and novae

Abstract

The /sup 27/Al(/sup 3/He,d)/sup 28/Si reaction has been used to populate states near the /sup 27/Al+p threshold and the ensuing proton and alpha decay has been measured. No evidence for new /sup 27/Al(p,..cap alpha..)/sup 24/Mg resonance strength was observed and consequently revised limits have been placed on the thermonuclear reaction rate. As a result, the /sup 27/Al(p,..cap alpha..)/sup 24/Mg reaction is found to be astrophysically unimportant at red-giant and nova temperatures.
Publication Date:
Oct 10, 1988
Product Type:
Journal Article
Reference Number:
NLN-88-006354; EDB-89-005081
Resource Relation:
Journal Name: Nucl. Phys. A; (Netherlands); Journal Volume: 487:2
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ALUMINIUM 27 TARGET; HELIUM 3 REACTIONS; PROTON REACTIONS; ONE-NUCLEON TRANSFER REACTIONS; THREE-NUCLEON TRANSFER REACTIONS; RESONANCE; SILICON 28; STAR BURNING; ALPHA DECAY; ALPHA PARTICLES; ALPHA SPECTRA; BRANCHING RATIO; DECAY; DEUTERON SPECTRA; DEUTERONS; EXPERIMENTAL DATA; LEVEL WIDTHS; LIMITING VALUES; MAGNESIUM 24; MEV RANGE 10-100; NOVAE; NUCLEAR REACTION KINETICS; PROTON EMISSION DECAY; PROTON SPECTRA; PROTONS; RED GIANT STARS; STRENGTH FUNCTIONS; TEMPERATURE DEPENDENCE; THERMONUCLEAR REACTIONS; ALKALINE EARTH ISOTOPES; BARYON REACTIONS; BARYONS; CHARGED PARTICLES; CHARGED-PARTICLE REACTIONS; DATA; DIRECT REACTIONS; ELEMENTARY PARTICLES; ENERGY RANGE; ERUPTIVE VARIABLE STARS; EVEN-EVEN NUCLEI; FERMIONS; FUNCTIONS; GIANT STARS; HADRON REACTIONS; HADRONS; INFORMATION; ISOTOPES; KINETICS; LIGHT NUCLEI; MAGNESIUM ISOTOPES; MEV RANGE; MULTI-NUCLEON TRANSFER REACTIONS; NUCLEAR DECAY; NUCLEAR REACTIONS; NUCLEI; NUCLEON REACTIONS; NUCLEONS; NUCLEOSYNTHESIS; NUMERICAL DATA; REACTION KINETICS; SILICON ISOTOPES; SPECTRA; STABLE ISOTOPES; STARS; SYNTHESIS; TARGETS; TRANSFER REACTIONS; VARIABLE STARS; 651420* - Nuclear Properties & Reactions, A=20-38, Experimental; 640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources
OSTI ID:
6935304
Research Organizations:
Princeton Univ., NJ (USA). Dept. of Physics; Yale Univ., New Haven, CT (USA). Wright Nuclear Structure Lab.; Drexel Univ., Philadelphia, PA (USA). Dept. of Physics and Atmospheric Science
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: NUPAB
Submitting Site:
NLN
Size:
Pages: 433-441
Announcement Date:
Feb 10, 1989

Citation Formats

Champagne, A E, Cella, C H, Kouzes, R T, Lowry, M M, Magnus, P V, Smith, M S, and Mao, Z Q. Particle decays in /sup 28/Si: The destruction of /sup 27/Al in red giants and novae. Netherlands: N. p., 1988. Web.
Champagne, A E, Cella, C H, Kouzes, R T, Lowry, M M, Magnus, P V, Smith, M S, & Mao, Z Q. Particle decays in /sup 28/Si: The destruction of /sup 27/Al in red giants and novae. Netherlands.
Champagne, A E, Cella, C H, Kouzes, R T, Lowry, M M, Magnus, P V, Smith, M S, and Mao, Z Q. 1988. "Particle decays in /sup 28/Si: The destruction of /sup 27/Al in red giants and novae." Netherlands.
@misc{etde_6935304,
title = {Particle decays in /sup 28/Si: The destruction of /sup 27/Al in red giants and novae}
author = {Champagne, A E, Cella, C H, Kouzes, R T, Lowry, M M, Magnus, P V, Smith, M S, and Mao, Z Q}
abstractNote = {The /sup 27/Al(/sup 3/He,d)/sup 28/Si reaction has been used to populate states near the /sup 27/Al+p threshold and the ensuing proton and alpha decay has been measured. No evidence for new /sup 27/Al(p,..cap alpha..)/sup 24/Mg resonance strength was observed and consequently revised limits have been placed on the thermonuclear reaction rate. As a result, the /sup 27/Al(p,..cap alpha..)/sup 24/Mg reaction is found to be astrophysically unimportant at red-giant and nova temperatures.}
journal = []
volume = {487:2}
journal type = {AC}
place = {Netherlands}
year = {1988}
month = {Oct}
}