OPTIMIZED SYSTEM FOR D- PRODUCTION FROM CHARGE EXCHANGE IN ALKALI METALS

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Negative ion production for neutral (deuteron) beam injectors is considered for a general system utilizing charge-exchange production in alkali metals. Experimental results provide parameters and show good correlation with calculations using known atomic cross sections, so that beam behavior can be predicted. It is found that coupling into the high voltage accelerator poses significant constraints on optimization of the system, e.g., to determine its minimum size. A typical design for 200-keV final energy provides D{sup -} at 1.5 keV from charge-exchange in rubidium, with an average current density of 23 mA/cm{sup 2} and a total current of 20 A.

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Hooper Jr., E.B.; Poulsen, P. & Anderson, O.A. August 1, 1980.

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Description

Negative ion production for neutral (deuteron) beam injectors is considered for a general system utilizing charge-exchange production in alkali metals. Experimental results provide parameters and show good correlation with calculations using known atomic cross sections, so that beam behavior can be predicted. It is found that coupling into the high voltage accelerator poses significant constraints on optimization of the system, e.g., to determine its minimum size. A typical design for 200-keV final energy provides D{sup -} at 1.5 keV from charge-exchange in rubidium, with an average current density of 23 mA/cm{sup 2} and a total current of 20 A.

Physical Description

30 p.

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  • Journal Name: Nuclear Fusion

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  • Report No.: LBL-10917
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 1022091
  • Archival Resource Key: ark:/67531/metadc833836

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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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  • August 1, 1980

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • June 15, 2016, 9:13 p.m.

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Hooper Jr., E.B.; Poulsen, P. & Anderson, O.A. OPTIMIZED SYSTEM FOR D- PRODUCTION FROM CHARGE EXCHANGE IN ALKALI METALS, article, August 1, 1980; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc833836/: accessed April 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.