Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for imaging of fast neutrons, and detection system

A detection system and fast neutron technology, applied in the field of nuclear technology applications, can solve the problems of low reconstruction accuracy and low discrimination of fast neutrons

Inactive Publication Date: 2017-05-03
NUCTECH CO LTD
View PDF5 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Method for Fast Neutron Scattering Imaging Using Liquid Scintillator Array, Fast Neutron Reconstruction Inaccurate
The method of using plastic scintillator arrays for fast neutron scattering imaging is not high in the discrimination ability of neutrons and gamma rays, and there is interference of gamma ray background

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for imaging of fast neutrons, and detection system
  • Method for imaging of fast neutrons, and detection system
  • Method for imaging of fast neutrons, and detection system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus their repeated descriptions will be omitted.

[0041] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the invention. However, those skilled in the art will appreciate that the technical solutions of the present invention may be practiced without one or more of the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method for the imaging of fast neutrons, and a detection system. The method comprises the steps: enabling the fast neutrons to be injected to a detector, thereby enabling the fast neutrons and a 1H atomic nucleus in the detector to carry out primary elastic scattering, wherein the primary elastic scattering generates scattering neutrons and recoil protons, the scattering neutrons start secondary reaction in the detector, the recoil protons generates electrons and positive ions in a sensitive medium of the detector and the detector comprises a time projection room; obtaining the information of the scattering neutrons; obtaining a response signal of electrons under the action of an electric field when the electrons arrive at a preset position; obtaining the drift time, coordinates and number of electrons through the response signal; and carrying out the imaging of the fast neutrons through the information of the scattering neutrons, the drift time, coordinates and number of electrons. The method provided by the invention can improve the monitoring precision of fast neutrons in the monitoring of special nuclear materials.

Description

technical field [0001] The invention relates to the application field of nuclear technology, in particular to a method and detection system for fast neutron imaging. Background technique [0002] Special nuclear material (Special Nuclear Material, SNM) includes nuclear fissile materials such as uranium and plutonium that can be used as nuclear reactor fuel. The monitoring and protection of SNM is a huge challenge in the field of homeland security. In order to prevent terrorists from using SNM to launch terrorist attacks, protect the lives and property of the people and protect the environment from pollution, the monitoring of SNM is very important. At present, the monitoring of SNM is mainly divided into two methods. One is to monitor the SNM by detecting the characteristic gamma rays emitted by the SNM; the other is to monitor the fast neutrons emitted by the SNM to monitor the SNM. Since the monitoring of fast neutrons emitted by SNM is significantly different from the b...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01V5/00
CPCG01V5/00
Inventor 李玉兰付逸冬李元景于海军常建平
Owner NUCTECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com