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Inverse ratio of gamma-ray and neutron emissions in the detection of radiation shielding of containers

  • US 20050275545A1
  • Filed: 07/23/2004
  • Published: 12/15/2005
  • Est. Priority Date: 01/31/2003
  • Status: Active Grant
First Claim
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1. A method to determine the presence of radiation shielding material concealing illegitimate content in a container comprising steps of:

  • obtaining each of measured gamma-ray data and measured neutron data from said container; and

    comparing each of said measured gamma-ray data and said measured neutron data to a respective one of expected gamma-ray data and expected neutron data wherein an anomaly between said measured gamma-ray and neutron data and said expected gamma-ray and neutron data is an indicum of the presence of said material shielding said content.

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