Reactor imaging using scattering of cosmic-ray muon is proposed to assess the damages to the reactors at Fukushima Daiichi. Simulation studies showed feasibility of the reactor imaging with muons, and the technique has been demonstrated at a research reactor, Toshiba Nuclear Critical Assembly, where the reactor core was imaged with spatial resolution of 3 cm after 1 month of exposure time.

Volume Subject Area:
Nuclear Safety and Security
Topics:
Cosmic rays, Fukushima nuclear disaster, Japan, 2011, Imaging, Muons, Damage, Electromagnetic scattering, Manufacturing, Radiation scattering, Resolution (Optics), Scattering (Physics), Simulation
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