One-dimensional directional shieldless particle detector
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United States of America Patent
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Dec 8, 2020
Grant Date -
May 7, 2020
app pub date -
Sep 12, 2019
filing date -
Feb 4, 2018
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Abstract
A device for determining the location of a source of radiation, based on data acquired at a single orientation of the device without iteration or rotations. Embodiments may comprise two side detector panels positioned closely parallel to each other and adjacent to each other, plus a front detector positioned orthogonally in front of the side detectors, without collimators or shields. The various detectors have contrasting angular sensitivities, so that a predetermined angular correlation function can determine the sign and magnitude of the source angle according to the detection rates of the front and side detectors. Embodiments enable rapid detection and localization of nuclear and radiological weapon materials for greatly improved inspection of cargo containers and personnel. Advanced detectors such as those disclosed herein will be needed in the coming decades to protect against clandestine weapon transport.
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