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Threshold states in /sup 26/Al revisited

Journal Article:

Abstract

Threshold states in /sup 26/Al have been re-examined using the /sup 27/Al(/sup 3/He,..cap alpha..)/sup 26/Al and /sup 25/Mg(/sup 3/He,d..gamma..)/sup 26/Al reactions in order to resolve apparent ambiguities in some of the previously reported properties of these states. In particular, the s-wave resonance strength reported at E=37 keV is now found to be located at E/sub c.m./=57.54 keV, and the proton width for the 374 keV resonance has been revised to GAMMA/sub p/=0.82 eV. These results have been used to calculate a new resonance strength of ..omega gamma..= 1.6 x 10/sup -13/ eV for the 57.54 keV resonance. As a result, the stellar production rate for /sup 26/Al is increased by a factor approx.=3-38 for temperatures T/sub 9/=0.05-0.1.
Publication Date:
Mar 31, 1986
Product Type:
Journal Article
Reference Number:
NLN-86-002287; EDB-86-105536
Resource Relation:
Journal Name: Nucl. Phys. A; (Netherlands); Journal Volume: 451:3
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ALUMINIUM 26; RESONANCE; ALUMINIUM 27 TARGET; HELIUM 3 REACTIONS; ONE-NUCLEON TRANSFER REACTIONS; MAGNESIUM 25 TARGET; STAR BURNING; NUCLEAR REACTION KINETICS; ALPHA PARTICLES; BRANCHING RATIO; DEUTERONS; ENERGY DEPENDENCE; EXCITATION FUNCTIONS; EXCITED STATES; EXPERIMENTAL DATA; INTEGRAL CROSS SECTIONS; LEVEL WIDTHS; MEV RANGE 10-100; PHOTONS; S STATES; S WAVES; STRENGTH FUNCTIONS; TEMPERATURE DEPENDENCE; ALUMINIUM ISOTOPES; BETA DECAY RADIOISOTOPES; BETA-PLUS DECAY RADIOISOTOPES; CHARGED PARTICLES; CHARGED-PARTICLE REACTIONS; CROSS SECTIONS; DATA; DIRECT REACTIONS; ELEMENTARY PARTICLES; ENERGY LEVELS; ENERGY RANGE; FUNCTIONS; INFORMATION; ISOTOPES; KINETICS; LIGHT NUCLEI; MASSLESS PARTICLES; MEV RANGE; NUCLEAR REACTIONS; NUCLEI; NUMERICAL DATA; ODD-ODD NUCLEI; PARTIAL WAVES; RADIOISOTOPES; REACTION KINETICS; SECONDS LIVING RADIOISOTOPES; TARGETS; TRANSFER REACTIONS; YEARS LIVING RADIOISOTOPES; 651425* - Nuclear Properties & Reactions, A=20-38, Experimental- Nuclear Reactions & Scattering- (-1987); 640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources
OSTI ID:
5841954
Research Organizations:
Princeton Univ., NJ, USA. Dept. of Physics; Yale Univ., New Haven, CT, USA. Wright Nuclear Structure Lab.
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: NUPAB
Submitting Site:
NLN
Size:
Pages: 498-508
Announcement Date:

Journal Article:

Citation Formats

Champagne, A E, McDonald, A B, Wang, T F, Howard, A J, Magnus, P V, and Parker, P D. Threshold states in /sup 26/Al revisited. Netherlands: N. p., 1986. Web.
Champagne, A E, McDonald, A B, Wang, T F, Howard, A J, Magnus, P V, & Parker, P D. Threshold states in /sup 26/Al revisited. Netherlands.
Champagne, A E, McDonald, A B, Wang, T F, Howard, A J, Magnus, P V, and Parker, P D. 1986. "Threshold states in /sup 26/Al revisited." Netherlands.
@misc{etde_5841954,
title = {Threshold states in /sup 26/Al revisited}
author = {Champagne, A E, McDonald, A B, Wang, T F, Howard, A J, Magnus, P V, and Parker, P D}
abstractNote = {Threshold states in /sup 26/Al have been re-examined using the /sup 27/Al(/sup 3/He,..cap alpha..)/sup 26/Al and /sup 25/Mg(/sup 3/He,d..gamma..)/sup 26/Al reactions in order to resolve apparent ambiguities in some of the previously reported properties of these states. In particular, the s-wave resonance strength reported at E=37 keV is now found to be located at E/sub c.m./=57.54 keV, and the proton width for the 374 keV resonance has been revised to GAMMA/sub p/=0.82 eV. These results have been used to calculate a new resonance strength of ..omega gamma..= 1.6 x 10/sup -13/ eV for the 57.54 keV resonance. As a result, the stellar production rate for /sup 26/Al is increased by a factor approx.=3-38 for temperatures T/sub 9/=0.05-0.1.}
journal = {Nucl. Phys. A; (Netherlands)}
volume = {451:3}
journal type = {AC}
place = {Netherlands}
year = {1986}
month = {Mar}
}