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Cosmic ray muon computed tomography of spent nuclear fuel in dry storage casks

Journal Article · · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

Radiography with cosmic ray muon scattering has proven to be a successful method of imaging nuclear material through heavy shielding. Of particular interest is monitoring dry storage casks for diversion of plutonium contained in spent reactor fuel. Using muon tracking detectors that surround a cylindrical cask, cosmic ray muon scattering can be simultaneously measured from all azimuthal angles, giving complete tomographic coverage of the cask interior. This article describes the first application of filtered back projection algorithms, typically used in medical imaging, to cosmic ray muon scattering imaging. The specific application to monitoring spent nuclear fuel in dry storage casks is investigated via GEANT4 simulations. With a cylindrical muon tracking detector surrounding a typical spent fuel cask, simulations indicate that missing fuel bundles can be detected with a statistical significance of ~18σ in less than two days exposure and a sensitivity at 1σ to a 5% missing portion of a fuel bundle. Finally, we discuss potential detector technologies and geometries.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1345145
Report Number(s):
LA-UR--16-21971
Journal Information:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Journal Name: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment Vol. 842; ISSN 0168-9002
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (7)

A new semi-empirical model for cosmic ray muon flux estimation journal January 2022
A generalized muon trajectory estimation algorithm with energy loss for application to muon tomography journal March 2018
Muography of different structures using muon scattering and absorption algorithms
  • Vanini, S.; Calvini, P.; Checchia, P.
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2137 https://doi.org/10.1098/rsta.2018.0051
journal December 2018
Application of muon tomography to fuel cask monitoring
  • Poulson, Dan; Bacon, Jeff; Durham, Matt
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2137 https://doi.org/10.1098/rsta.2018.0052
journal December 2018
Novel muon imaging techniques
  • Yang, Guangliang; Clarkson, Tony; Gardner, Simon
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2137 https://doi.org/10.1098/rsta.2018.0062
journal December 2018
Antineutrino Monitoring of Spent Nuclear Fuel journal November 2017
Antineutrino monitoring of spent nuclear fuel text January 2016

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