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Prototype fast neutron counter for the assay of impure plutonium [electronic resource].

Published
Los Alamos, N.M. : Los Alamos National Laboratory, 1987.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 7 : digital, PDF file
Additional Creators
Los Alamos National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
A fast coincident neutron counter using liquid scintillators and gamma-ray/neutron pulse-shape discrimination has been constructed for the analysis of plutonium samples with unknown self-multiplication and (..cap alpha..,n) production. The counter was used to measure plutonium-bearing materials that cover a range of masses and (..cap alpha..,n) reaction rates of importance to the safeguards community. Measured values of the /sup 240/Pu effective mass differed, on average, from their declared values by 0.4% for plutonium oxides and by -2.2% for metal and MgO-loaded samples. Poorer results were obtained for materials with large (..cap alpha..,n) reaction rates and low self-multiplication such as plutonium ash and plutonium fluoride.
Report Numbers
E 1.99:la-ur-87-3678
E 1.99: conf-871110-8
conf-871110-8
la-ur-87-3678
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
01/01/1987.
"la-ur-87-3678"
" conf-871110-8"
"DE88003181"
3. international conference on facility operations safeguards interface, San Diego, CA, USA, 29 Nov 1987.
Adams, E.L.; Wachter, J.R.; Ensslin, N.
Funding Information
W-7405-ENG-36
View MARC record | catkey: 14396808