Relative fission product yields in the USGS TRIGA MARK I reactor

M. A. Koehl; R. S. Rundberg; J. C. Shafer

doi:10.1007/s10967-017-5485-6

Relative fission product yields in the USGS TRIGA MARK I reactor

M. A. Koehl, R. S. Rundberg, J. C. Shafer

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Relative fission product yields have been determined for three sampling positions in the USGS TRIGA MARK I reactor through radiochemical analysis. The relative mass yield distribution for valley nuclides decreases with epithermal neutrons compared to thermal neutrons. Additionally, a proportionality constant which related the measured beta activity of a fission product to the number of fissions that occur in a sample of irradiated uranium was determined for the detector used in this study and used to determine the thermal and epithermal flux. These values agree well with a previous study which used activation foils to determine the flux.

Original language	English
Pages (from-to)	1375-1381
Number of pages	7
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	314
Issue number	2
DOIs	https://doi.org/10.1007/s10967-017-5485-6
State	Published - Nov 1 2017
Externally published	Yes

Keywords

Fission products
K-factor
Post-irradiation analysis
R value
Separations

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10.1007/s10967-017-5485-6

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abstract = "Relative fission product yields have been determined for three sampling positions in the USGS TRIGA MARK I reactor through radiochemical analysis. The relative mass yield distribution for valley nuclides decreases with epithermal neutrons compared to thermal neutrons. Additionally, a proportionality constant which related the measured beta activity of a fission product to the number of fissions that occur in a sample of irradiated uranium was determined for the detector used in this study and used to determine the thermal and epithermal flux. These values agree well with a previous study which used activation foils to determine the flux.",

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AU - Rundberg, R. S.

AU - Shafer, J. C.

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N2 - Relative fission product yields have been determined for three sampling positions in the USGS TRIGA MARK I reactor through radiochemical analysis. The relative mass yield distribution for valley nuclides decreases with epithermal neutrons compared to thermal neutrons. Additionally, a proportionality constant which related the measured beta activity of a fission product to the number of fissions that occur in a sample of irradiated uranium was determined for the detector used in this study and used to determine the thermal and epithermal flux. These values agree well with a previous study which used activation foils to determine the flux.

AB - Relative fission product yields have been determined for three sampling positions in the USGS TRIGA MARK I reactor through radiochemical analysis. The relative mass yield distribution for valley nuclides decreases with epithermal neutrons compared to thermal neutrons. Additionally, a proportionality constant which related the measured beta activity of a fission product to the number of fissions that occur in a sample of irradiated uranium was determined for the detector used in this study and used to determine the thermal and epithermal flux. These values agree well with a previous study which used activation foils to determine the flux.

KW - Fission products

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KW - Post-irradiation analysis

KW - R value

KW - Separations

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JF - Journal of Radioanalytical and Nuclear Chemistry

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Relative fission product yields in the USGS TRIGA MARK I reactor

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Keywords

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