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Imaging based on cosmic-ray produced charged particles

A technology of charged particles and low atomic number, applied in the field of imaging based on charged particles generated by cosmic rays, can solve the problems of reducing the detection performance of gamma and X-ray detectors and reducing the counting rate

Active Publication Date: 2011-09-28
LOS ALAMOS NATIONAL SECURITY +1
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

Shielding of nuclear material can reduce the count rate in gamma and x-ray detectors and reduce the detection performance of gamma and x-ray detectors

Method used

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  • Imaging based on cosmic-ray produced charged particles
  • Imaging based on cosmic-ray produced charged particles
  • Imaging based on cosmic-ray produced charged particles

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Embodiment Construction

[0031] The charged particle tomography detection techniques, devices, and systems described in this application can be implemented to detect the presence of certain objects or substances, such as nuclear substances, and to obtain tomographic information of such objects in various applications that Applications include, but are not limited to, inspection of packages, containers, occupied vehicles at security checkpoints, border crossings or other locations for nuclear threat objects (which may range from fully assembled nuclear weapons to small quantities of highly shielded nuclear material). The method enables detection of shielded and unshielded nuclear material using a single detection system in a compact configuration to provide a cost-effective method for detecting nuclear and other target devices and materials.

[0032] Background cosmic radiation provides a source that can be used to study the internal structure of objects without the need for additional radiation. Muon ...

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Abstract

Techniques, apparatus and systems for obtaining tomographic images of a volume of interest by using charged particle tomography detection systems.

Description

[0001] priority claim [0002] This patent document claims U.S. Provisional Application No. 61 / 092,372, filed August 27, 2008, entitled "IMAGING BASED ON COSMIC-RAY PRODUCED CHARGED PARTICLES," and filed January 15, 2009, entitled "TOMOGRAPHIC IMAGING USING ENERGY LOSS OF COSMIC-RAY PRODUCED CHARGED PARTICLES" to the benefit of U.S. Provisional Application No. 61 / 145,091, both of which are incorporated by reference as part of this document. technical field [0003] This patent document relates to detection of cosmic radiation and imaging based on charged particles produced by cosmic rays. Background technique [0004] Cosmic ray tomography (tomography) is a technique that utilizes multiple Coulomb scattering of charged particles (eg, muons) produced by cosmic rays to perform non-destructive inspection of matter without using artificial radiation. Earth is continuously bombarded by energetically stable particles (mostly protons) from deep space. These particles interact wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V5/00G01T1/00G01N23/04
CPCG01V5/0025G01N23/046G01T1/18G01V5/005G01N2223/419G01V5/226G01V5/222
Inventor 克里斯托弗.L.莫里斯拉里.J.舒尔茨杰西.A.格林迈克尔.J.索桑康斯坦汀.N.博罗兹丁亚历克西.V.克利门科加里.布兰皮德弗拉迪米尔.图马科夫科洛.瓦姆巴
Owner LOS ALAMOS NATIONAL SECURITY
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