Isotope correlations for safeguards surveillance and accountancy methods
Isotope correlations corroborated by experiments, coupled with measurement methods for nuclear material in the fuel cycle have the potential as a safeguards surveillance and accountancy system. The ICT allows the verification of: fabricator's uranium and plutonium content specifications, shipper/receiver differences between fabricator output and reactor input, reactor plant inventory changes, reprocessing batch specifications and shipper/receiver differences between reactor output and reprocessing plant input. The investigation indicates that there exist predictable functional relationships (i.e. correlations) between isotopic concentrations over a range of burnup. Several cross-correlations serve to establish the initial fuel assembly-averaged compositions. The selection of the more effective correlations will depend not only on the level of reliability of ICT for verification, but also on the capability, accuracy and difficulty of developing measurement methods. The propagation of measurement errors through the correlations have been examined to identify the sensitivity of the isotope correlations to measurement errors, and to establish criteria for measurement accuracy in the development and selection of measurement methods. 6 figures, 3 tables.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31-109-ENG-38
- OSTI ID:
- 6348248
- Report Number(s):
- CONF-821119-13; IAEA-SM-260/85; ON: DE83007746
- Resource Relation:
- Conference: International symposium on recent advances in nuclear materials safeguards, Nienna, Australia, 8 Nov 1982; Other Information: Portions are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Isotope correlations for safeguards surveillance and accountancy methods
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FUEL CYCLE
NUCLEAR MATERIALS MANAGEMENT
ALGORITHMS
BURNUP
CORRELATIONS
ERRORS
ISOTOPE RATIO
SAFEGUARDS
SHIPPER-RECEIVER DIFFERENCES
ZION-2 REACTOR
ENRICHED URANIUM REACTORS
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Light-Water Moderated
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