Gamma-ray isotopic ratio measurements for the plutonium inventory verification program
Gamma-ray isotopic ratio measurements for the plutonium inventory verification program
The Plutonium Inventory Verification Program at Mound Laboratory provides a nondestructive means of assaying bulk plutonium-bearing material. The assay is performed by combining the calorimetrically determined heat output of the sample and the relative abundances of the heat-producing isotopes. This report describes the method used for the nondestructive determination of plutonium-238, -240, -241 and americium-241 relative to plutonium-239 using gamma-ray spectroscopy for 93 percent plutonium-239 material. Comparison of chemical data on aliquots of samples to the nondestructive data shows accuracies of +-7 percent for /sup 238/Pu//sup 239/Pu, +-15 percent for /sup 240/Pu//sup 239/Pu, +- 3 percent for /sup 241/Pu//sup 239/Pu, and +-7 percent for /sup 241/Am//sup 239/Pu.
- University of North Texas United States
Plutonium Isotopes, Even-Even Nuclei, Odd-Even Nuclei, Transuranium Elements, Actinide Nuclei, Beta Decay Radioisotopes, Heavy Nuclei, Even-Odd Nuclei, Plutonium 241, Plutonium 240, Americium Isotopes, Actinides, Beta-Minus Decay Radioisotopes, 37 Inorganic, Isotopes, Chemical Analysis, Isotope Ratio, Spectroscopy, Accuracy, Radioisotopes, Material Balance, Organic, Alpha Decay Radioisotopes, Actinide Isotopes, Gamma Spectroscopy, Years Living Radioisotopes 400103* -- Radiometric & Radiochemical Procedures-- (-1987), Americium 241, Elements, Nuclei, Plutonium, Metals, Plutonium 238, Physical And Analytical Chemistry, Plutonium 239, Nondestructive Analysis, Inventories
Plutonium Isotopes, Even-Even Nuclei, Odd-Even Nuclei, Transuranium Elements, Actinide Nuclei, Beta Decay Radioisotopes, Heavy Nuclei, Even-Odd Nuclei, Plutonium 241, Plutonium 240, Americium Isotopes, Actinides, Beta-Minus Decay Radioisotopes, 37 Inorganic, Isotopes, Chemical Analysis, Isotope Ratio, Spectroscopy, Accuracy, Radioisotopes, Material Balance, Organic, Alpha Decay Radioisotopes, Actinide Isotopes, Gamma Spectroscopy, Years Living Radioisotopes 400103* -- Radiometric & Radiochemical Procedures-- (-1987), Americium 241, Elements, Nuclei, Plutonium, Metals, Plutonium 238, Physical And Analytical Chemistry, Plutonium 239, Nondestructive Analysis, Inventories
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