Experimental tests of a radiation direction finder

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Description

We explore the possibility of using a simple detector to determine the direction or heading toward a source of nuclear radiation, typically penetrating neutrons or gamma rays. The technique is based on the attenuation of incident radiation across a scintillator that has been segmented so that differences between the count rates provide the orthogonal components of the local radiation vector. A number of simple measurements are carried out using plutonium, californium, and gamma-ray sources at distances of 1-20 m, with results that are in good agreement with earlier Monte Carlo predictions. In addition, triangulation allows the distance to the source ... continued below

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45 p.

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DeLanoy, M.L.; Byrd, R.C. & Russo, P.A. November 1, 1996.

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Description

We explore the possibility of using a simple detector to determine the direction or heading toward a source of nuclear radiation, typically penetrating neutrons or gamma rays. The technique is based on the attenuation of incident radiation across a scintillator that has been segmented so that differences between the count rates provide the orthogonal components of the local radiation vector. A number of simple measurements are carried out using plutonium, californium, and gamma-ray sources at distances of 1-20 m, with results that are in good agreement with earlier Monte Carlo predictions. In addition, triangulation allows the distance to the source to be estimated by correlating the observations from two or more detectors. These initial studies suggest that directional detectors may be useful in applications such as searching for nuclear materials or monitoring the location of radiation sources in storage vaults.

Physical Description

45 p.

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OSTI as DE97002480

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  • Other Information: PBD: Nov 1996

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  • Other: DE97002480
  • Report No.: LA--13212-MS
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/427003 | External Link
  • Office of Scientific & Technical Information Report Number: 427003
  • Archival Resource Key: ark:/67531/metadc683138

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Creation Date

  • November 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Feb. 29, 2016, 2:52 p.m.

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DeLanoy, M.L.; Byrd, R.C. & Russo, P.A. Experimental tests of a radiation direction finder, report, November 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc683138/: accessed June 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.