Deuterium-beam species measured by fusion reactions in the neutralizer

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Using a surface barrier detector and standard nuclear instrumentation, the energetic charged products of fusion reactions between deuterium neutralizer gas and accelerated deuterium ions are sorted in energy to yield a measurement of the species from a neutral beam source, i.e., the proportions of accelerated D/sup +/, D/sub 2//sup +/, and D/sub 3//sup +/. Such sources have been designed at LBL for the TFTR project at Princeton University to accelerate currents of 65 amps to 120 kilovolts, and the species distribution affects the power deposition within the target plasma. An integral measurement over the entire area of the beam can ... continued below

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Pages: 7

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Smith, R.R. & Strathman, M.D. November 1, 1981.

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Description

Using a surface barrier detector and standard nuclear instrumentation, the energetic charged products of fusion reactions between deuterium neutralizer gas and accelerated deuterium ions are sorted in energy to yield a measurement of the species from a neutral beam source, i.e., the proportions of accelerated D/sup +/, D/sub 2//sup +/, and D/sub 3//sup +/. Such sources have been designed at LBL for the TFTR project at Princeton University to accelerate currents of 65 amps to 120 kilovolts, and the species distribution affects the power deposition within the target plasma. An integral measurement over the entire area of the beam can be performed with Doppler shift spectroscopy, but it involves a large number of cross sections, of which not all are known, and it is also dependent upon the neutralizer gas distribution. The present species measurement complements other measurements because it is integrated over the entire beam, is independent of the neutralizer gas distribution, and only requires one well known cross section.

Physical Description

Pages: 7

Notes

NTIS, PC A02/MF A01.

Source

  • American Vacuum Society national symposium, Anaheim, CA, USA, 3 Nov 1981

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  • Other: DE82004846
  • Report No.: LBL-13312
  • Report No.: CONF-811113-42
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5758545
  • Archival Resource Key: ark:/67531/metadc1103785

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • November 1, 1981

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

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  • April 24, 2018, 7 p.m.

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Smith, R.R. & Strathman, M.D. Deuterium-beam species measured by fusion reactions in the neutralizer, article, November 1, 1981; [Berkeley,] California. (digital.library.unt.edu/ark:/67531/metadc1103785/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.