High-pressure 4He drift tubes for fissile material detection

Wang, ‪Zhehui; Morris, C. L.; Gray, F.; Bacon, Jeffrey; Brockwell, Michael; Chang, Dae-Sik; Chung, Kyoung−Jae; Dai, W. G.; Greene, S. J.; Hogan, G. E.; Lisowski, P.W.; Makela, M.; Mariam, F. G.; McGaughey, P. L.; Mendenhall, M. P.; Milner, E.C.; Miyadera, Haruo; Murray, M.; Perry, J.; Roybal, Jonathan; Saunders, Alexander; Spaulding, Randy; You, Z. Y.

doi:10.1016/j.nima.2012.11.019

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Prl 109 152501 (2012) P H Y S I C a L R E V I E W L E T T E1

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Cited by 3 publications

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“…Specifications of FMT-1 and 2 are shown in Table I. They consist of gas-filled ionization drift-tube detectors made of aluminum, 39,40…”

Section: Prl 109 152501 (2012) P H Y S I C a L R E V I E W L E T T Ementioning

confidence: 99%

Final Report for NFE-13-0019: Analysis of Muon Radiography of the Toshiba Nuclear Critical Assembly Reactor and Path Forward

Morris¹

2013

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A 1.2×1.2 m 2 muon tracker was moved from Los Alamos to the Toshiba facility at Kawasaki, Japan where it was used to take ~4 weeks of data radiographing the Toshiba Critical Assembly Reactor with cosmic ray muons. In this paper we describe the analysis procedure, show results of this experiment and compare the results to Monte Carlo predictions. The results validate the concept of using cosmic rays to image the damaged cores of the Fukushima Daiichi reactors.

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“…Specifications of FMT-1 and 2 are shown in Table I. They consist of gas-filled ionization drift-tube detectors made of aluminum, 39,40…”

Section: Prl 109 152501 (2012) P H Y S I C a L R E V I E W L E T T Ementioning

confidence: 99%

Final Report for NFE-13-0019: Analysis of Muon Radiography of the Toshiba Nuclear Critical Assembly Reactor and Path Forward

Morris¹

2013

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A multilayer surface detector for ultracold neutrons

Wang¹,

Hoffbauer²,

Morris³

et al. 2015

Nuclear Instruments and Methods in Physics Research Section A:

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Imaging Fukushima Daiichi reactors with muons

et al. 2013

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A study of imaging the Fukushima Daiichi reactors with cosmic-ray muons to assess the damage to the reactors is presented. Muon scattering imaging has high sensitivity for detecting uranium fuel and debris even through thick concrete walls and a reactor pressure vessel. Technical demonstrations using a reactor mockup, detector radiation test at Fukushima Daiichi, and simulation studies have been carried out. These studies establish feasibility for the reactor imaging. A few months of measurement will reveal the spatial distribution of the reactor fuel. The muon scattering technique would be the best and probably the only way for Fukushima Daiichi to make this determination in the near future

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High-pressure 4He drift tubes for fissile material detection

Cited by 3 publications

References 16 publications

Final Report for NFE-13-0019: Analysis of Muon Radiography of the Toshiba Nuclear Critical Assembly Reactor and Path Forward

Final Report for NFE-13-0019: Analysis of Muon Radiography of the Toshiba Nuclear Critical Assembly Reactor and Path Forward

A multilayer surface detector for ultracold neutrons

Imaging Fukushima Daiichi reactors with muons

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