Cryogenic gamma detectors enable direct detection of 236U and minor actinides for non-destructive assay [Cryogenic gamma detectors enable direct detection of minor actinides for non-destructive assay]

Velazquez, Miguel; Dreyer, Jonathan; Drury, Owen B.; Salaymeh, Saleem; Friedrich, Stephan

doi:10.1007/s10967-015-4409-6

Title: Cryogenic gamma detectors enable direct detection of ²³⁶U and minor actinides for non-destructive assay [Cryogenic gamma detectors enable direct detection of minor actinides for non-destructive assay]

Journal Article · Sat Sep 05 00:00:00 EDT 2015 · Journal of Radioanalytical and Nuclear Chemistry

DOI:https://doi.org/10.1007/s10967-015-4409-6· OSTI ID:1342051

Velazquez, Miguel ^[1]; Dreyer, Jonathan ^[2]; Drury, Owen B. ^[2]; Salaymeh, Saleem ^[3]; Friedrich, Stephan ^[2]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); INAOE, Santa Maria Tonatzintla (Mexico)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Savannah River National Lab., Aiken, SC (United States)

Here, we demonstrate the utility of a superconducting transition edge sensor (TES) γ-ray detector with high energy resolution and low Compton background for non-destructive assay (NDA) of a uranium sample from reprocessed nuclear fuel. We show that TES γ-detectors can separate low energy actinide γ-emissions from the background and nearby lines, even from minor isotopes whose signals are often obscured in NDA with conventional Ge detectors. Superconducting γ detectors may therefore bridge the gap between high-accuracy destructive assay (DA) and easier to-use NDA.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1342051

Report Number(s):: LLNL-CONF-669969; PII: 4409

Journal Information:: Journal of Radioanalytical and Nuclear Chemistry, Vol. 307, Issue 3; Conference: Methods and Applications of Radioanalytical Chemistry X, Kona, HI (United States), 12-17 Apr 2015; ISSN 0236-5731

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

References (8)

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Nuclear diagnostics with cryogenic spectrometers Friedrich, Stephan Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 579, Issue 1 https://doi.org/10.1016/j.nima.2007.04.029	journal	August 2007
Feeding of the 232Th levels from the decay of 236U Gehrke, R. J.; Baker, J. D.; Riddle, C. L. Applied Radiation and Isotopes, Vol. 56, Issue 3 https://doi.org/10.1016/S0969-8043(01)00152-X	journal	March 2002
High-resolution operation of frequency-multiplexed transition-edge photon sensors Cunningham, M. F.; Ullom, J. N.; Miyazaki, T. Applied Physics Letters, Vol. 81, Issue 1 https://doi.org/10.1063/1.1489486	journal	July 2002
Array-compatible transition-edge sensor microcalorimeter γ-ray detector with 42eV energy resolution at 103keV Zink, B. L.; Ullom, J. N.; Beall, J. A. Applied Physics Letters, Vol. 89, Issue 12 https://doi.org/10.1063/1.2352712	journal	September 2006
Development of ultrahigh energy resolution gamma spectrometers for nuclear safeguards Drury, Owen B.; Velazquez, Miguel; Dreyer, Jonathan G. Journal of Radioanalytical and Nuclear Chemistry, Vol. 282, Issue 3 https://doi.org/10.1007/s10967-009-0292-3	journal	August 2009
Metallic Magnetic Calorimeters Fleischmann, A.; Enss, C.; Seidel, G. M. Topics in Applied Physics https://doi.org/10.1007/10933596_4	book	July 2005
Cryogenic Particle Detection Enss, Christian Topics in Applied Physics https://doi.org/10.1007/b12169	book	January 2005

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Title: Cryogenic gamma detectors enable direct detection of 236U and minor actinides for non-destructive assay [Cryogenic gamma detectors enable direct detection of minor actinides for non-destructive assay]

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Title: Cryogenic gamma detectors enable direct detection of ²³⁶U and minor actinides for non-destructive assay [Cryogenic gamma detectors enable direct detection of minor actinides for non-destructive assay]