Neutron detection and applications using a BC454/BGO array

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Neutron detection and multiplicity counting has been investigated using a boron-loaded plastic scintillator (BC454)/bismuth germanate (BGO) phoswich detector array. Boron-loaded plastic combines neutron moderation (H) and detection ({sup 10}B) at the molecular level, thereby physically coupling increasing detection efficiency and decreasing die-away time with detector volume. Separation of the phoswich response into its plastic scintillator and bismuth germanate components was accomplished on an event-by-event basis using custom integrator and timing circuits, enabling a prompt coincidence requirement between the BC454 and BGO to be used to identify neutron captures. In addition, a custom time-tag module was used to provide a time ... continued below

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8 p.

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Miller, M.C.; Biddle, R.S. & Bourret, S.C. December 1, 1998.

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Neutron detection and multiplicity counting has been investigated using a boron-loaded plastic scintillator (BC454)/bismuth germanate (BGO) phoswich detector array. Boron-loaded plastic combines neutron moderation (H) and detection ({sup 10}B) at the molecular level, thereby physically coupling increasing detection efficiency and decreasing die-away time with detector volume. Separation of the phoswich response into its plastic scintillator and bismuth germanate components was accomplished on an event-by-event basis using custom integrator and timing circuits, enabling a prompt coincidence requirement between the BC454 and BGO to be used to identify neutron captures. In addition, a custom time-tag module was used to provide a time for each detector event. Time-correlation analysis was subsequently performed on the filtered event stream to obtain shift-register-type singles and doubles count rates.

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8 p.

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INIS; OSTI as DE99000668

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  • 9. symposium on radiation measurements and applications, Ann Arbor, MI (United States), 11-14 May 1998

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  • Other: DE99000668
  • Report No.: LA-UR--98-1813
  • Report No.: CONF-980545--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 296758
  • Archival Resource Key: ark:/67531/metadc682314

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  • December 1, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 29, 2016, 10:03 p.m.

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Miller, M.C.; Biddle, R.S. & Bourret, S.C. Neutron detection and applications using a BC454/BGO array, article, December 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc682314/: accessed June 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.