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Nondestructive assay of highly enriched spent fuel

Conference ·
OSTI ID:6653478
; ; ; ;
Passive gamma-ray and neutron measurements have been made on irradiated MTR fuel at the Omega West Reactor. Detectors utilized include a Ge(Li) for gamma spectroscopy, a /sup 235/U fission chamber for thermal neutrons, and a smaller /sup 235/U fission chamber with a beryllium photoneutron converter for detecting gamma-rays above 1.7 MeV. Measurements confirm that burnup can be closely correlated with the /sup 134/Cs//sup 137/Cs ratio. A comparison of activity profiles taken with the three detectors indicates that the method based on (..gamma..,n) reactions in beryllium is a promising technique.
Research Organization:
Los Alamos Scientific Lab., NM (USA)
DOE Contract Number:
W-7405-ENG-36
OSTI ID:
6653478
Report Number(s):
LA-UR-78-1648; CONF-780606-9
Country of Publication:
United States
Language:
English

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Related Subjects

055001* -- Nuclear Fuels-- Safeguards
Inspection
& Accountability-- Technical Aspects
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
BURNUP
CHEMICAL ANALYSIS
ENERGY SOURCES
FUELS
GAMMA SPECTROSCOPY
NONDESTRUCTIVE ANALYSIS
NUCLEAR FUELS
REACTOR MATERIALS
SAFEGUARDS
SPECTROSCOPY
SPENT FUELS