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Comparison of destructive and nondestructive assay of heterogeneous salt residues

Description: To study problems associated with nondestructive assay (NDA) measurements of molten salt residues, a joint study was conducted by the Rocky Flats Plant, Golden, CO and Mound Laboratories, Miamisburg, OH. Extensive NDA measurements were made on nine containers of molten salt residues by both Rocky Flats and Mound followed by dissolution and solution quantification at Rocky Flats. Results of this study verify that plutonium and americium can be measured in such salt residues by a new gamma-ray sp… more
Date: March 29, 1986
Creator: Fleissner, J.G. & Hume, M.W.
Partner: UNT Libraries Government Documents Department
open access

Accelerating the Loop Expansion

Description: This thesis introduces a new non-perturbative technique into quantum field theory. To illustrate the method, I analyze the much-studied phi/sup 4/ theory in two dimensions. As a prelude, I first show that the Hartree approximation is easy to obtain from the calculation of the one-loop effective potential by a simple modification of the propagator that does not affect the perturbative renormalization procedure. A further modification then susggests itself, which has the same nice property, and w… more
Date: July 29, 1986
Creator: Ingermanson, R.
Partner: UNT Libraries Government Documents Department
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