Bibliographic Citation
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| Title | THEORETICAL ANALYSIS OF THE EXPONENTIAL EXPERIMENT IN NATURAL URANIUM |
| Creator/Author | Michael, P. |
| Publication Date | 1963 Feb 01 |
| OSTI Identifier | OSTI ID: 4627628 |
| Report Number(s) | BNL-6758 |
| DOE Contract Number | AT-30-2-GEN-16 |
| Resource Type | Technical Report |
| Resource Relation | Other Information: Orig. Receipt Date: 31-DEC-63 |
| Research Org | Brookhaven National Lab., Upton, N.Y. |
| Subject | PHYSICS; CRITICALITY; CROSS SECTIONS; DIFFUSION LENGTH; DISTRIBUTION; ERRORS; EXPONENTIAL PILES; FISSION; MASS; MATHEMATICS; MEASURED VALUES; NATURAL URANIUM FUEL; NEPTUNIUM 237; NEUTRONS; SNELL EXPERIMENT; SPECTRA; TRANSIENTS; TRANSPORT THEORY; URANIUM 238 |
| Description/Abstract | Methods of calculating the Snell Experiment'' (the exponential experiment in natural uranium) are examined. It is found that integral transport theory is required for accurate predictions. The effect of spatial transients upon measured quantities is studied and it is found that experiments have not been done in a large enough mass of uranium to achieve an asymptotic neutron distribution. However, deviations from the asymptotic values of integral quantitles are not large and corrections are calculated and applied to recent experiments. It is shown that the use of recent cross section data improves the agreement between theory and experiment. The relaxation length and all spectral indices are in fairly good agreement except for Np/sup 237/ to U/sup 238/ average fission cross section ratio. (auth) |
| Country of Publication | United States |
| Language | English |
| Format | Medium: X; Size: Pages: 31 |
| System Entry Date | 2008 Feb 05 |
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