System for detecting and locating radioactive sources
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United States of America Patent
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Sep 15, 2020
Grant Date -
Jul 30, 2020
app pub date -
Dec 29, 2019
filing date -
Nov 19, 2017
priority date (Note) -
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Abstract
A system of particle detectors can determine the location of a source without rotations or iterations. Embodiments of the system may comprise a middle detector flanked by two shield plates, with two side detector panels exterior to the shields. The middle detector may be positioned toward the front and orthogonal to the side detectors. By comparing a ratio of the detector data to a predetermined angular correlation function, the system can determine both the sign and magnitude of the source angle in real-time. Embodiments of the system can rapidly and automatically localize sources including nuclear and radiological weapons materials, whether in vehicles or cargo containers, and can provide improved sensitivity in walk-through personnel portal applications, enable enhanced detection of hidden weapons by a mobile area scanner, and enable a hand-held survey meter that indicates the radiation level as well as the location of the source of radiation.
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