Active Neutron Interrogation to Detect Shielded Fissionable Material

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Portable electronic neutron generators (ENGs) may be used to interrogate suspicious items to detect, characterize, and quantify the presence fissionable material based upon the measurement of prompt and/or delayed emissions of neutrons and/or photons resulting from fission. The small size (<0.2 m3), light weight (<12 kg), and low power consumption (<50 W) of modern ENGs makes them ideally suited for use in field situations, incorporated into systems carried by 2-3 individuals under rugged conditions. At Idaho National Laboratory we are investigating techniques and portable equipment for performing active neutron interrogation of moderate sized objects less than ~2-4 m3 to detect ... continued below

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Chichester, D. L. & Seabury, E. H. May 1, 2009.

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Portable electronic neutron generators (ENGs) may be used to interrogate suspicious items to detect, characterize, and quantify the presence fissionable material based upon the measurement of prompt and/or delayed emissions of neutrons and/or photons resulting from fission. The small size (<0.2 m3), light weight (<12 kg), and low power consumption (<50 W) of modern ENGs makes them ideally suited for use in field situations, incorporated into systems carried by 2-3 individuals under rugged conditions. At Idaho National Laboratory we are investigating techniques and portable equipment for performing active neutron interrogation of moderate sized objects less than ~2-4 m3 to detect shielded fissionable material. Our research in this area relies upon the use of pulsed deuterium-tritium ENGs and the measurement of die-away prompt fission neutrons and other neutron signatures in-between neutron pulses from the ENG and after the ENG is turned off.

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  • International Topical Meeting on Nuclear Research Applications and Utilization of Accelerators ,Vienna, Austria,05/04/2009,05/08/2009

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  • Report No.: INL/CON-08-15025
  • Grant Number: DE-AC07-05ID14517
  • Office of Scientific & Technical Information Report Number: 978349
  • Archival Resource Key: ark:/67531/metadc927675

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Office of Scientific & Technical Information Technical Reports

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  • May 1, 2009

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 6, 2016, 6:45 p.m.

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Chichester, D. L. & Seabury, E. H. Active Neutron Interrogation to Detect Shielded Fissionable Material, article, May 1, 2009; [Idaho]. (digital.library.unt.edu/ark:/67531/metadc927675/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.