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We have developed a novel algorithm based on Markov random fields capable of detecting special nuclear material in large-scale volumes such as cargo containers, using cosmic muons as probes. Since the amount of muon scattering is dependent on the Z2 of the material traversed, strong scattering in a localized area is indicative of high-Z material being present. For scanning purposes in freight harbors...
Resistive Plate Chambers(RPCs) offer simple construction and efficient detection of charge particles over a large area with nano-second precision. Traditionally, large strips or pads that cover the entire area of induced charge are used to pick up the signal. The signal is then connected to a binary read-out. This approach gives moderate spatial resolution, typically of the order of a centimetre....
We present a novel method to detect special nuclear material using cosmic rays. Muon Scattering Tomography (MST) is a method in homeland security for scanning cargo containers and vehicles for special nuclear material with cosmic muons. These are abundant, highly penetrating, not harmful against organic tissue, cannot be screened against, and can easily be detected. Muons undergo multiple Coulomb...
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