Focal spot size predictions for beam transport through a gas-filled reactor

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Results from calculations of focal spot size for beam transport through a gas-filled reactor are summarized. In the converging beam mode, we find an enlargement of the focal spot due to multiple scattering and zeroth order self-field effects. This enlargement can be minimized by maintaining small reactors together with a careful choice of the gaseous medium. The self-focused mode, on the other hand, is relatively insensitive to the reactor environment, but is critically dependent upon initial beam quality. This requirement on beam quality can be significantly eased by the injection of an electron beam of modest current from the opposite ... continued below

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Pages: 12

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Yu, S.S.; Lee, E.P. & Buchanan, H.L. January 23, 1980.

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

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Description

Results from calculations of focal spot size for beam transport through a gas-filled reactor are summarized. In the converging beam mode, we find an enlargement of the focal spot due to multiple scattering and zeroth order self-field effects. This enlargement can be minimized by maintaining small reactors together with a careful choice of the gaseous medium. The self-focused mode, on the other hand, is relatively insensitive to the reactor environment, but is critically dependent upon initial beam quality. This requirement on beam quality can be significantly eased by the injection of an electron beam of modest current from the opposite wall.

Physical Description

Pages: 12

Notes

Dep. NTIS, PC A02/MF A01.

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  • Heavy ion fusion workshop, Berkeley, CA, USA, 29 Oct 1979

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  • Report No.: UCRL-83923
  • Report No.: CONF-7910122-8
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5575013
  • Archival Resource Key: ark:/67531/metadc1087464

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • January 23, 1980

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • May 8, 2018, 7:20 p.m.

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Yu, S.S.; Lee, E.P. & Buchanan, H.L. Focal spot size predictions for beam transport through a gas-filled reactor, article, January 23, 1980; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc1087464/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.