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Title: Neutron Yield Measurements via Aluminum Activation

Neutron activation of aluminum may occur by several neutron capture reactions. Four such reactions are described here: {sup 27}Al + n = {sup 28}Al, {sup 27}Al(n,{alpha}){sup 24}Na, {sup 27}Al(n, 2n){sup 26}Al and {sup 27}Al(n,p){sup 27}Mg. The radioactive nuclei {sup 28}Al, {sup 24}Na, and {sup 27}Mg, which are produced via the {sup 27}Al + n = {sup 28}Al, {sup 27}Al(n,{alpha}){sup 24}Na and {sup 27}Al(n,p){sup 27}Mg neutron reactions, beta decay to excited states of {sup 28}Si, {sup 24}Mg and {sup 27}Al respectively. These excited states then emit gamma rays as the nuclei de-excite to their respective ground states.
Publication Date:
OSTI Identifier:
762101
DOE Contract Number:
FG03-99SF21785
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 8 Dec 1999
Research Org:
Brookhaven National Lab., Upton, NY (US)
Sponsoring Org:
US Department of Energy (US)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; NEUTRON ACTIVATION ANALYSIS; ALUMINIUM; BETA DECAY; CAPTURE; EXCITED STATES; GROUND STATES; NEUTRON REACTIONS; ALUMINIUM 27; ALUMINIUM 28; SODIUM 24; ALUMINIUM 26; MAGNESIUM 27; SILICON 28; MAGNESIUM 24