|Author||Lu, Mingshih ♦ Teichmann, T.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ♦ COINCIDENCE METHODS ♦ ERRORS ♦ GAMMA SPECTROSCOPY ♦ PLUTONIUM ♦ NONDESTRUCTIVE ANALYSIS ♦ BURNUP ♦ EFFECTIVE MASS ♦ FUEL PELLETS ♦ PLUTONIUM 240 ♦ PLUTONIUM NITRATES ♦ RADIOACTIVE WASTES ♦ ACTINIDE COMPOUNDS ♦ ACTINIDE ISOTOPES ♦ ACTINIDE NUCLEI ♦ ACTINIDES ♦ ALPHA DECAY RADIOISOTOPES ♦ CHEMICAL ANALYSIS ♦ COUNTING TECHNIQUES ♦ ELEMENTS ♦ EVEN-EVEN NUCLEI ♦ HEAVY NUCLEI ♦ ISOTOPES ♦ MASS ♦ MATERIALS ♦ METALS ♦ NITRATES ♦ NITROGEN COMPOUNDS ♦ NUCLEI ♦ OXYGEN COMPOUNDS ♦ PELLETS ♦ PLUTONIUM COMPOUNDS ♦ PLUTONIUM ISOTOPES ♦ RADIOACTIVE MATERIALS ♦ RADIOISOTOPES ♦ SPECTROSCOPY ♦ SPONTANEOUS FISSION RADIOISOTOPES ♦ TRANSURANIUM COMPOUNDS ♦ TRANSURANIUM ELEMENTS ♦ WASTES ♦ YEARS LIVING RADIOISOTOPES ♦ Activation, Nuclear Reaction, Radiometric & Radiochemical Procedures|
|Abstract||The error characteristics of both high-resolution gamma spectroscopy and high-level neutron coincidence (HLNC) measurements, separate or combined, are discussed as they apply to nondestructive analysis of plutonium-bearing materials. Expressions have been derived to estimate the overall variance in the [sup 240]Pu effective mass and in the total plutonium mass in terms of the specific contributions from uncertainties in the measurements, the pertinent physical variables (including isotopics and impurities), and the instrumental constants. Experimental data available in the published literature have been used to illustrate the error characteristics of the HLNC and the effect of isotopic error correlations associated with materials having different burnups.|
|Learning Resource Type||Article|
|Publisher Place||United States|
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