Direct measurement of 235U in spent fuel rods with Gamma-ray mirrors

J. Ruz; N. F. Brejnholt; J. B. Alameda; T. A. Decker; M. A. Descalle; M. Fernandez-Perea; R. M. Hill; R. A. Kisner; A. M. Melin; B. W. Patton; R. Soufli; K. Ziock; M. J. Pivovaroff

doi:10.1016/j.nima.2014.12.055

Direct measurement of ²³⁵U in spent fuel rods with Gamma-ray mirrors

J. Ruz, N. F. Brejnholt, J. B. Alameda, T. A. Decker, M. A. Descalle, M. Fernandez-Perea, R. M. Hill, R. A. Kisner, A. M. Melin, B. W. Patton, R. Soufli, K. Ziock, M. J. Pivovaroff

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Abstract

Direct measurement of plutonium and uranium X-rays and gamma-rays is a highly desirable non-destructive analysis method for the use in reprocessing fuel environments. The high background and intense radiation from spent fuel make direct measurements difficult to implement since the relatively low activity of uranium and plutonium is masked by the high activity from fission products. To overcome this problem, we make use of a grazing incidence optic to selectively reflect ^Kα and ^Kβ fluorescence of Special Nuclear Materials (SNM) into a high-purity position-sensitive germanium detector and obtain their relative ratios.

Original language	English
Pages (from-to)	15-19
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	777
DOIs	https://doi.org/10.1016/j.nima.2014.12.055
State	Published - Mar 21 2015

Keywords

Fission
Gamma-ray mirrors
Non-destructive analysis
Spent fuel
Uranium quantification
X-ray fluorescence

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10.1016/j.nima.2014.12.055

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Ruz, J., Brejnholt, N. F., Alameda, J. B., Decker, T. A., Descalle, M. A., Fernandez-Perea, M., Hill, R. M., Kisner, R. A., Melin, A. M., Patton, B. W., Soufli, R., Ziock, K., & Pivovaroff, M. J. (2015). Direct measurement of ²³⁵U in spent fuel rods with Gamma-ray mirrors. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 777, 15-19. https://doi.org/10.1016/j.nima.2014.12.055

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title = "Direct measurement of 235U in spent fuel rods with Gamma-ray mirrors",

abstract = "Direct measurement of plutonium and uranium X-rays and gamma-rays is a highly desirable non-destructive analysis method for the use in reprocessing fuel environments. The high background and intense radiation from spent fuel make direct measurements difficult to implement since the relatively low activity of uranium and plutonium is masked by the high activity from fission products. To overcome this problem, we make use of a grazing incidence optic to selectively reflect Kα and Kβ fluorescence of Special Nuclear Materials (SNM) into a high-purity position-sensitive germanium detector and obtain their relative ratios.",

keywords = "Fission, Gamma-ray mirrors, Non-destructive analysis, Spent fuel, Uranium quantification, X-ray fluorescence",

author = "J. Ruz and Brejnholt, {N. F.} and Alameda, {J. B.} and Decker, {T. A.} and Descalle, {M. A.} and M. Fernandez-Perea and Hill, {R. M.} and Kisner, {R. A.} and Melin, {A. M.} and Patton, {B. W.} and R. Soufli and K. Ziock and Pivovaroff, {M. J.}",

year = "2015",

month = mar,

day = "21",

doi = "10.1016/j.nima.2014.12.055",

language = "English",

volume = "777",

pages = "15--19",

journal = "Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",

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Ruz, J, Brejnholt, NF, Alameda, JB, Decker, TA, Descalle, MA, Fernandez-Perea, M, Hill, RM, Kisner, RA, Melin, AM, Patton, BW, Soufli, R, Ziock, K & Pivovaroff, MJ 2015, 'Direct measurement of ²³⁵U in spent fuel rods with Gamma-ray mirrors', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 777, pp. 15-19. https://doi.org/10.1016/j.nima.2014.12.055

TY - JOUR

T1 - Direct measurement of 235U in spent fuel rods with Gamma-ray mirrors

AU - Ruz, J.

AU - Brejnholt, N. F.

AU - Alameda, J. B.

AU - Decker, T. A.

AU - Descalle, M. A.

AU - Fernandez-Perea, M.

AU - Hill, R. M.

AU - Kisner, R. A.

AU - Melin, A. M.

AU - Patton, B. W.

AU - Soufli, R.

AU - Ziock, K.

AU - Pivovaroff, M. J.

PY - 2015/3/21

Y1 - 2015/3/21

N2 - Direct measurement of plutonium and uranium X-rays and gamma-rays is a highly desirable non-destructive analysis method for the use in reprocessing fuel environments. The high background and intense radiation from spent fuel make direct measurements difficult to implement since the relatively low activity of uranium and plutonium is masked by the high activity from fission products. To overcome this problem, we make use of a grazing incidence optic to selectively reflect Kα and Kβ fluorescence of Special Nuclear Materials (SNM) into a high-purity position-sensitive germanium detector and obtain their relative ratios.

AB - Direct measurement of plutonium and uranium X-rays and gamma-rays is a highly desirable non-destructive analysis method for the use in reprocessing fuel environments. The high background and intense radiation from spent fuel make direct measurements difficult to implement since the relatively low activity of uranium and plutonium is masked by the high activity from fission products. To overcome this problem, we make use of a grazing incidence optic to selectively reflect Kα and Kβ fluorescence of Special Nuclear Materials (SNM) into a high-purity position-sensitive germanium detector and obtain their relative ratios.

KW - Fission

KW - Gamma-ray mirrors

KW - Non-destructive analysis

KW - Spent fuel

KW - Uranium quantification

KW - X-ray fluorescence

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DO - 10.1016/j.nima.2014.12.055

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JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

ER -

Direct measurement of ²³⁵U in spent fuel rods with Gamma-ray mirrors

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Keywords

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