Cosmic ray muon computed tomography of spent nuclear fuel in dry storage casks
arXiv:1604.08938 · doi:10.1016/j.nima.2016.10.040
Abstract
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 paper describes the first application of filtered back projection algorithms, typically used in medical imaging, to cosmic ray muon 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, the cask contents can be confirmed with high confidence in less than two days exposure. Similar results can be obtained by moving a smaller detector to view the cask from multiple angles.
arXiv comment12 pages, 8 figures
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- Muon absorption tomography of a lead structure through the use of iterative algorithms
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- TRec: A Muon Trajectory Reconstruction Algorithm for Enhanced Scattering Tomography
- A Compact High-Resolution Muon Spectrometer Using Multi-Layer Gas Cherenkov Radiators
- Atmospheric ray tomography for low-Z materials: implementing new methods on a proof-of-concept tomograph
- Methodologies for imaging a used nuclear fuel dry storage cask with cosmic ray muon computed tomography
- Verifying Spent Fuel Containers Before Deep Geological Storage with Cosmic Ray Muons
- A muon scattering tomography system based on high spatial resolution scintillating detector
- Neutron Tomography of Spent Fuel Casks
- Design of an atmospheric muon tomographer for material identification based on CORSIKA+GEANT4 simulations