Los Alamos National Laboratory

Los Alamos National Laboratory

Delivering science and technology to protect our nation and promote world stability

Threat Reduction Team

The P-25 Threat Reduction team has developed the technique of using cosmic-ray muons to perform muon radiography and tomography on small and large objects - from objects you can hold in your hand to geological-sized objects.

  • Muon Radiography

    Muon Radiography

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  • Cosmic Ray Muon Tomography

    Cosmic Ray Muon Tomography

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  • Muon radiography measurements of a spent fuel cask at Idaho National Laboratory

    Muon radiography measurements of a spent fuel cask at Idaho National Laboratory

  • Muon Tomography in Tuscany

    Muon Tomography in Tuscany

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  • Threat reduction team using muon tomography

    Threat reduction team using muon tomography

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Major Projects
Threat Reduction Team
Publications
  • “Surveillance: radiographic imaging with cosmic ray muons” K. Borozdin et al., Nature 422 277 (2003).
  • "Detection of high-Z objects using multiple scattering of cosmic ray muons" W. Priedhorsky et al., Revue of Scientific Instruments, vol. 74, no. 10 , 2003.
  • "Image reconstruction and material Z discrimination via cosmic ray muon radiography"  L. J. Schultz et al., Nuclear Instruments and Methods in Physics Research A 519 (2004), 687-694.
  • “Tomographic Imaging with Cosmic Ray Muons” C. L. Morris et al., Science and Global Security 16:37-53 (2008).
  • “Cosmic Ray Radiography of the Damaged Cores of the Fukushima Reactors” K. Borozdin et al., Physical Review Letters 109 152501 (2012).
  • "Imaging a nuclear reactor using cosmic ray muons" J. O. Perry et al., Journal of Applied Physics, Vols. 113, 184909, 2013.
  • "Imaging Fukushima Daiichi reactors with muons" H. Miyadera et al., AIP Advances, Vols. 3, 052133, 2013.
  • "Analysis of muon radiography of the Toshiba nuclear critical assembly reactor" C. L. Morris et al,  Applied Physics Letters, Vols. 104, 024110, 2014.
  • "Tests of cosmic ray radiography for power industry applications" J. M. Durham et al., AIP Advances, vol. 5 067111, 2015.
  • “Detecting Special Nuclear Material Using Muon-Induced Neutron Emission ” E. Guardincerri et al., Nuclear Instruments and Methods in Physics Research A 789, 109-113 (2015).
  • “Cosmic Ray Muon Imaging of Spent Nuclear Fuel in Dry Storage Casks” J. M. Durham et al., Journal of Nuclear Materials Management 44 3 (2016).
  • “Imaging the inside of thick structures using cosmic rays” E. Guardincerri et al., AIP Advances 6 015213 (2016).
  • “Cosmic Ray Muon Computed Tomography of Spent Nuclear fuel in Dry Storage Casks” D. Poulson et al.,  Nuclear Instruments and Methods in Physics Research A, 842 (2017) 48-53.