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Updated: Jun 16, 2026

Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes
07:51

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Published on: August 24, 2017

Signature-based radiation scanning using radiation interrogation to detect explosives.

J D Lowrey1, W L Dunn

  • 1Department of Mechanical and Nuclear Engineering, Kansas State University, Manhattan, KS 66506, USA.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
|February 4, 2010
PubMed
Summary
This summary is machine-generated.

Signature-based radiation scanning technology can rapidly detect improvised explosive devices (IEDs) from a distance. Neutron interrogation successfully identified large explosive samples hidden within targets with high accuracy.

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Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector
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Area of Science:

  • Nuclear physics
  • Security technology
  • Materials science

Background:

  • Improvised explosive devices (IEDs) present a significant societal threat.
  • Existing detection methods often require close proximity or extensive operator involvement.
  • There is a need for rapid, standoff detection of concealed explosives.

Purpose of the Study:

  • To evaluate the effectiveness of signature-based radiation scanning for IED detection.
  • To assess the capabilities of neutron interrogation for identifying explosive materials.
  • To determine the feasibility of standoff detection of explosives.

Main Methods:

  • Utilized neutron interrogation as the primary detection technique.
  • Tested the system with explosive samples of approximately 7 kg or greater.
  • Evaluated detection performance from standoff distances exceeding one meter.
  • Assessed performance against various target materials concealing the explosives.

Main Results:

  • Demonstrated successful detection of explosive samples from standoff distances.
  • Achieved high sensitivity and high specificity in identifying explosive materials.
  • Confirmed the potential for automated operation with minimal operator intervention.
  • Indicated that the technology can rapidly identify IEDs.

Conclusions:

  • Signature-based radiation scanning, particularly using neutron interrogation, is a promising technology for standoff IED detection.
  • The method shows potential for automated, rapid, and accurate identification of significant quantities of explosives.
  • Further development could enhance security measures against explosive threats.