Neutron and gamma ray monitor

A gamma ray and neutron technology, applied in the field of neutron and gamma ray monitors, can solve problems such as undetectable

Inactive Publication Date: 2006-08-09
HERMO NITON ANALYZERS
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, these detectors cannot detect gamma-ray sources that are shielded by large amounts of high-Z materials (e.g., lead, tungsten, etc.)

Method used

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  • Neutron and gamma ray monitor
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  • Neutron and gamma ray monitor

Examples

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Embodiment Construction

[0026] The preferred embodiments of the present invention are described below.

[0027] The various embodiments herein relate to high-Z materials (e.g., lead, tungsten, etc.) used to detect targets (e.g., the identification of radioactive weapons such as neutrons and gamma rays) and shield the identified sources of gamma rays. Etc.) methods and devices. The various implementations described herein are some of the many configurations of "universal", portable, handheld, terrorist threat detectors that can identify such targets. In various embodiments, one or more such as gamma rays (e.g., the gamma-ray properties of specific radioisotopes), the neutron properties of plutonium, and the high atomic weight (e.g., gamma-ray sources) that can shield radioactive sources ( Targets such as high-Z) materials are possible. In some embodiments, a single handheld detector is used to record evidence of these targets and alert the operator of their presence.

[0028] figure 1 An embodiment of t...

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Abstract

An apparatus for selective radiation detection includes a neutron detector that facilitates detection of neutron emitters, e.g. plutonium, and the like; a gamma ray detector that facilitates detection of gamma ray sources, e.g., uranium, and the like; and / or an X-ray analyzer that facilitates detection of materials that can shield radioactiv sources, e.g., lead, and the like.

Description

Technical field [0001] This application requires the benefits of U.S. Provisional Application No. 60 / 476,101, filed on June 5, 2003, which is incorporated herein by reference in its entire teachings. Background technique [0002] As terrorism continues to increase, the need for effective detectors for radioactive weapons of mass destruction, or materials (for example, high atomic weight elements) used to shield their detection in the form of radiation, has gradually increased. The three weapons of particular concern are the so-called "dirty bombs", uranium-based atomic bombs, and plutonium-based atomic bombs. For example, dirty bombs include chemical explosives wrapped in radioactive materials that disperse and pollute the environment when exploded. Dirty bombs can be detected by emitting radiation, gamma rays and bremsstrahlung as the most common identification marks. Uranium-based atomic bombs can be used in principle 235 U or 238 U is identified by gamma rays. From weapon clas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T3/06G01N23/10G01N23/223
CPCG01T3/06G01N23/10
Inventor 李·格罗德津斯
Owner HERMO NITON ANALYZERS
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