1978•University of North Texas Digital Library (University of North Texas)Open access
Review of cross section data important to the uranium--plutonium fuel cycle in thermal reactors
L.W. Weston
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Abstract
The present state of knowledge concerning the cross sections, etc., of the isotopes /sup 235/U, /sup 238/U, /sup 239/Pu, /sup 240/Pu, and /sup 241/Pu is discussed. Most cross sections important to the design of U--Pu-fueled light-water reactors with current fuel--water ratios are known with reasonable accuracy. The three most serious discrepancies remaining are the following: the difference between integral measurements and differential calculations of /sup 238/U resonance capture, the discrepancy between irradiation experiments and other measurements of the ratio of capture to fission in /sup 235/U, and the uncertainty in the parameters of the 1 eV resonance of /sup 240/Pu. 2 figures, 2 tables. (RWR)
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