H/sup -/ production from partially cesiated surfaces in the presence of a hydrogen plasma

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A large source employing a magnetic bucket geometry with a large curved converter surface focused on a single slit extractor is presently being studied at LBL. In order to understand the relationships among the Cs coverage, the high energy (back-scattered) and low energy (desorbed) H/sup -/ beams and the angular and energy distributions of the beams, we have constructed a small version of the LBL source in which the work function of the converter, which is immersed in the plasma (n < 10/sup 11//cm/sup 3/), can be measured by photo emission while the other parameters are varied. In addition, the ... continued below

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Pages: 7

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Wada, M.; Pyle, R.V. & Stearns, J.W. November 1, 1983.

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Description

A large source employing a magnetic bucket geometry with a large curved converter surface focused on a single slit extractor is presently being studied at LBL. In order to understand the relationships among the Cs coverage, the high energy (back-scattered) and low energy (desorbed) H/sup -/ beams and the angular and energy distributions of the beams, we have constructed a small version of the LBL source in which the work function of the converter, which is immersed in the plasma (n < 10/sup 11//cm/sup 3/), can be measured by photo emission while the other parameters are varied. In addition, the converter can be rotated and the H/sup -/ beam collimated and analyzed to give a complete energy and angular spectrum.

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Pages: 7

Notes

NTIS, PC A02/MF A01.

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  • American Vacuum Society meeting, Boston, MA, USA, 1 Nov 1983

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  • Other: DE84006056
  • Report No.: LBL-16178
  • Report No.: CONF-831171-19
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 5229827
  • Archival Resource Key: ark:/67531/metadc1072754

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Office of Scientific & Technical Information Technical Reports

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  • November 1, 1983

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 24, 2018, 7:20 p.m.

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Wada, M.; Pyle, R.V. & Stearns, J.W. H/sup -/ production from partially cesiated surfaces in the presence of a hydrogen plasma, article, November 1, 1983; [Berkeley,] California. (digital.library.unt.edu/ark:/67531/metadc1072754/: accessed May 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.