Measurement of the Neutron Spectrum of a DD Electronic Neutron Generator

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A Cuttler-Shalev (C-S) 3He proportional counter has been used to measure the energy spectrum of neutrons from a portable deuterium-deuterium electronic neutron generator. To improve the analysis of results from the C-S detector digital pulse shape analysis techniques have been used to eliminate neutron recoil artifacts in the recorded data. Data was collected using a 8-GHz, 10-bit waveform digitizer with its full scale corresponding to approximately 6-MeV neutrons. The measurements were made with the detector axis perpendicular to the direction of ions in the ENG in a plane 0.5-m to the side of the ENG, measuring neutrons emitted at an ... continued below

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Chichester, D. L.; Johnson, J. T. & Seabury, E. H. August 1, 2010.

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A Cuttler-Shalev (C-S) 3He proportional counter has been used to measure the energy spectrum of neutrons from a portable deuterium-deuterium electronic neutron generator. To improve the analysis of results from the C-S detector digital pulse shape analysis techniques have been used to eliminate neutron recoil artifacts in the recorded data. Data was collected using a 8-GHz, 10-bit waveform digitizer with its full scale corresponding to approximately 6-MeV neutrons. The measurements were made with the detector axis perpendicular to the direction of ions in the ENG in a plane 0.5-m to the side of the ENG, measuring neutrons emitted at an angle from 87.3? to 92.7? with respect to the path of ions in the ENG. The system demonstrated an energy resolution of approximately 0.040 MeV for the thermal peak and approximately 0.13 MeV at the DD neutron energy. In order to achieve the ultimate resolution capable with this type of detector it is clear that a higher-precision digitizer will be needed.

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  • 21st International Conference on the Application of Accelerators in Research and Industry,Ft. Worth, TX,08/08/2010,08/13/2010

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  • Report No.: INL/CON-10-18572
  • Grant Number: DE-AC07-05ID14517
  • Office of Scientific & Technical Information Report Number: 991879
  • Archival Resource Key: ark:/67531/metadc1015762

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  • August 1, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 3, 2017, 5:20 p.m.

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Chichester, D. L.; Johnson, J. T. & Seabury, E. H. Measurement of the Neutron Spectrum of a DD Electronic Neutron Generator, article, August 1, 2010; Idaho. (digital.library.unt.edu/ark:/67531/metadc1015762/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.