Friday, September 14, 2012

1209.2761 (Konstantin Borozdin et al.)

Cosmic Ray Radiography of the Damaged Cores of the Fukushima Reactors    [PDF]

Konstantin Borozdin, Steven Greene, Zarija Lukić, Edward Cas Milner, Haruo Miyadera, Christopher Morris, John Perry
The passage of muons through matter is dominated by the Coulomb interaction with electrons and nuclei. The interaction with the electrons leads to continuous energy loss and stopping of the muons. The interaction with nuclei leads to angle diffusion. Two muon imaging methods that use flux attenuation and multiple Coulomb scattering of cosmic-ray muons are being studied as tools for diagnosing the damaged cores of the Fukushima reactors. Here we compare these two methods. We conclude that the scattering method can provide detailed information about the core. Attenuation has low contrast and little sensitivity to the core.
View original: http://arxiv.org/abs/1209.2761

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