THE PROBLEM OF MEASURING THE ABSOLUTE YIELD OF 14-Mev NEUTRONS BY MEANS OF AN ALPHA COUNTER

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The assumptions used to derive the total neutron yield per detected alpha particle (from the D-T reaction) which were derived in an earlier report are reexamined in the light of additional experimental information. It is concluded that for an alpha counter at 90 deg to the incident beam direction the assumptions introduce practically no difficulties. Therefore, for precise monitoring in the absence of certain target information it is recommended that this configuration be used. For counters at angles different from 90 deg , nonuniformity of target loading contributes the most serious error to the computed yield. (auth)

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Pages: 23

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Benveniste, J.; Mitchell, A.C.; Schrader, C.D. & Zenger, J.H. June 23, 1959.

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Description

The assumptions used to derive the total neutron yield per detected alpha particle (from the D-T reaction) which were derived in an earlier report are reexamined in the light of additional experimental information. It is concluded that for an alpha counter at 90 deg to the incident beam direction the assumptions introduce practically no difficulties. Therefore, for precise monitoring in the absence of certain target information it is recommended that this configuration be used. For counters at angles different from 90 deg , nonuniformity of target loading contributes the most serious error to the computed yield. (auth)

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Pages: 23

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NTIS

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  • Other Information: Orig. Receipt Date: 31-DEC-60

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  • Report No.: UCRL-5619
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/4194722 | External Link
  • Office of Scientific & Technical Information Report Number: 4194722
  • Archival Resource Key: ark:/67531/metadc878180

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  • June 23, 1959

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  • Sept. 21, 2016, 2:29 a.m.

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  • Feb. 16, 2017, 6:07 p.m.

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Benveniste, J.; Mitchell, A.C.; Schrader, C.D. & Zenger, J.H. THE PROBLEM OF MEASURING THE ABSOLUTE YIELD OF 14-Mev NEUTRONS BY MEANS OF AN ALPHA COUNTER, report, June 23, 1959; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc878180/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.