HIGH CURRENT D- PRODUCTION BY CHARGE EXCHANGE IN SODIUM

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A beam of D{sup -} ions has been produced at 7-13 keV, with currents up to 2.2 {angstrom}, using charge exchange in sodium vapor. The beam profile is bi-Gaussian with angular divergence 0.7{sup o} x 2.8{sup o} and peak current density 15 mA/cm{sup 2}. The characteristics of the beam are in excellent agreement with predictions based on atomic cross sections. The sodium vapor target is formed by a jet directed across the beam. The sodium density drops rapidly in the beamline downstream from the charge exchange region, decreasing three orders of magnitude in 15 cm. Measurement and analysis of the ... continued below

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51 p.

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Hooper, E.B.; Poulsen, P. & Pincosy, P.A. February 1, 1981.

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Description

A beam of D{sup -} ions has been produced at 7-13 keV, with currents up to 2.2 {angstrom}, using charge exchange in sodium vapor. The beam profile is bi-Gaussian with angular divergence 0.7{sup o} x 2.8{sup o} and peak current density 15 mA/cm{sup 2}. The characteristics of the beam are in excellent agreement with predictions based on atomic cross sections. The sodium vapor target is formed by a jet directed across the beam. The sodium density drops rapidly in the beamline downstream from the charge exchange region, decreasing three orders of magnitude in 15 cm. Measurement and analysis of the plasma accompanying the beam demonstrate that plasma densities nearly equal to the beam density are obtained 1 m from the charge exchange medium. The plasma produced in the sodium is thus well confined to the charge exchange region and does not propagate along the beam.

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51 p.

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  • Journal Name: Journal of Applied Physics; Journal Volume: 52; Journal Issue: 12

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  • Report No.: LBL-10916
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1063/1.328697 | External Link
  • Office of Scientific & Technical Information Report Number: 1022090
  • Archival Resource Key: ark:/67531/metadc846399

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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

  • February 1, 1981

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • June 16, 2016, 12:38 p.m.

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Hooper, E.B.; Poulsen, P. & Pincosy, P.A. HIGH CURRENT D- PRODUCTION BY CHARGE EXCHANGE IN SODIUM, article, February 1, 1981; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc846399/: accessed November 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.