Systems and methods for detecting nuclear material

A nuclear material and detector technology, applied in the field of nuclear material detection, can solve the problems of weakening the efficacy of the inspection system and less energy

Active Publication Date: 2013-09-25
RAPISCAN SYST INC (US)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although delayed neutrons are unique indicators of fission events, they are very few and of low energy, severely impairing the efficacy of inspection systems, especially for hydrogen-containing cargoes

Method used

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  • Systems and methods for detecting nuclear material
  • Systems and methods for detecting nuclear material
  • Systems and methods for detecting nuclear material

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Embodiment Construction

[0027] The present invention relates to various embodiments of a system for detecting nuclear material based on at least one source of detection radiation and a plurality of radiation signatures. The following disclosure is provided to enable one of ordinary skill in the art to practice the invention. Language used in this specification should not be construed as a general disavowal of any one specific embodiment, or should be used to limit the claims beyond the meaning of the terms used therein. The general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the present invention. Additionally, terms and phrases are said to describe the exemplary embodiments and should not be viewed as limiting. Accordingly, the present invention is to be accorded the widest scope encompassing numerous alternatives, modifications and equivalents consistent with the principles and features disclosed. For the purpose of...

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Abstract

The present specification discloses a system for detecting nuclear material based on at least one source of probing radiation and the radiation signatures generated from interrogating an object under inspection. In addition, the present specification describes a threshold-activation detector capable of detecting prompt neutrons, via the activation, after the source's blinding radiation has stopped. The threshold-activation detector can be manufactured from liquid fluorocarbons that allow for the detection of beta radiation and gamma rays.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application No. 61 / 308,254, filed February 25, 2010, which is hereby incorporated by reference in its entirety. In addition, this application also claims priority to US Provisional Patent Application No. 61 / 313,200, filed March 12, 2010, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to systems and methods for detecting nuclear material, particularly nuclear material in cargo, trucks, containers or other structures, using multiple excitation radiation and fission signatures. More specifically, the invention encompasses the detection of nuclear material by measuring prompt neutrons released by a radiation probe to induce a fission event within the nuclear material. Background technique [0004] The threat posed by the smuggling of nuclear materials and devices requires fast and reliable non-intru...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21K4/00
CPCG01T3/00G01T3/06G01V5/0091G01V5/0069G01T1/167
Inventor T.高赞尼M.J.金T.J.肖J.D.史蒂文森
Owner RAPISCAN SYST INC (US)
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