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

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.
Authors:
 [1] ; ORCiD logo [2] ; ORCiD logo [2] ; ORCiD logo [2] ;  [2] ;  [2] ;  [2] ;  [3]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of New Mexico, Albuquerque, NM (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of New Mexico, Albuquerque, NM (United States)
Publication Date:
Report Number(s):
LA-UR-16-21971
Journal ID: ISSN 0168-9002; TRN: US1700514
Grant/Contract Number:
AC52-06NA25396
Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 842; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Muon radiography; Tomography; Cosmic rays; Dry cask storage
OSTI Identifier:
1345145

Poulson, Daniel Cris, Durham, J. Matthew, Guardincerri, Elena, Morris, Christopher, Bacon, Jeffrey Darnell, Plaud-Ramos, Kenie Omar, Morley, Deborah Jean, and Hecht, Adam A.. Cosmic ray muon computed tomography of spent nuclear fuel in dry storage casks. United States: N. p., Web. doi:10.1016/j.nima.2016.10.040.
Poulson, Daniel Cris, Durham, J. Matthew, Guardincerri, Elena, Morris, Christopher, Bacon, Jeffrey Darnell, Plaud-Ramos, Kenie Omar, Morley, Deborah Jean, & Hecht, Adam A.. Cosmic ray muon computed tomography of spent nuclear fuel in dry storage casks. United States. doi:10.1016/j.nima.2016.10.040.
Poulson, Daniel Cris, Durham, J. Matthew, Guardincerri, Elena, Morris, Christopher, Bacon, Jeffrey Darnell, Plaud-Ramos, Kenie Omar, Morley, Deborah Jean, and Hecht, Adam A.. 2016. "Cosmic ray muon computed tomography of spent nuclear fuel in dry storage casks". United States. doi:10.1016/j.nima.2016.10.040. https://www.osti.gov/servlets/purl/1345145.
@article{osti_1345145,
title = {Cosmic ray muon computed tomography of spent nuclear fuel in dry storage casks},
author = {Poulson, Daniel Cris and Durham, J. Matthew and Guardincerri, Elena and Morris, Christopher and Bacon, Jeffrey Darnell and Plaud-Ramos, Kenie Omar and Morley, Deborah Jean and Hecht, Adam A.},
abstractNote = {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.},
doi = {10.1016/j.nima.2016.10.040},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 842,
place = {United States},
year = {2016},
month = {10}
}