Performance of a developmental 120-keV, 10-A deuterium (14-A hydrogen) neutral beam system

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We have recently operated the LBL 120-keV neutral beam test facility on deuterium. This facility consists of a large (170,000 l) vacuum system, a plasma source, a multiple-aperture electrostatic accelerator structure, an ion sweep magnet, ion and neutral beam dumps, and a computer diagnostic and control system. The total length of the beamline is about 8.5m. Operation of this test facility on deuterium has produced beams with an energy of 120 keV, a total (ion plus neutral) beam current of 10 A, and a pulse length of 0.5 sec. The beam profile at the location of the dump is bi-gaussian, ... continued below

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Pages: 5

Creation Information

Berkner, K.H.; Cooper, W.S.; Ehlers, K.W. & Pyle, R.V. October 1, 1977.

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  • Lawrence Berkeley Laboratory
    Publisher Info: California Univ., Berkeley (USA). Lawrence Berkeley Lab.
    Place of Publication: Berkeley, California

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Description

We have recently operated the LBL 120-keV neutral beam test facility on deuterium. This facility consists of a large (170,000 l) vacuum system, a plasma source, a multiple-aperture electrostatic accelerator structure, an ion sweep magnet, ion and neutral beam dumps, and a computer diagnostic and control system. The total length of the beamline is about 8.5m. Operation of this test facility on deuterium has produced beams with an energy of 120 keV, a total (ion plus neutral) beam current of 10 A, and a pulse length of 0.5 sec. The beam profile at the location of the dump is bi-gaussian, with 1/e halfwidths of about 1.28 and 0.42 degrees. Deuterium operation has been very limited because of the high neutron production rate (about 10/sup 11/ sec/sup -1/ when the beam is on) and the lack of radiation shielding around the facility.

Physical Description

Pages: 5

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • 7. symposium on fusion research project, Knoxville, TN, USA, 25 Oct 1977

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  • Report No.: LBL-6384
  • Report No.: CONF-771029-175
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5173163
  • Archival Resource Key: ark:/67531/metadc1057945

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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.

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  • October 1, 1977

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 31, 2018, 12:16 p.m.

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Berkner, K.H.; Cooper, W.S.; Ehlers, K.W. & Pyle, R.V. Performance of a developmental 120-keV, 10-A deuterium (14-A hydrogen) neutral beam system, article, October 1, 1977; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc1057945/: accessed March 18, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.