Energetic Neutral Injection into Thermonuclear Machines

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Abstract: "A scheme is discussed in which D+ ions would be accelerated to about 100 kev in a conventional accelerator, then be sent through a gas target frmo which about half the ions would emerge neutral with very little scattering or energy loss; the neutral beam would then cross into a magnetic field and part of the atoms would be ionized and trapped by colliding with the already trapped ions. The smallest mirror machine with a central field of 30-40 kilogauss, 2;1 mirror ratio and β = 01 to 0.5 that would trap most of the neutral beam in the … continued below

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[24] p. : ill., tables ; 28 cm.

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Lauer, Eugene J. August 10, 1955.

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Abstract: "A scheme is discussed in which D+ ions would be accelerated to about 100 kev in a conventional accelerator, then be sent through a gas target frmo which about half the ions would emerge neutral with very little scattering or energy loss; the neutral beam would then cross into a magnetic field and part of the atoms would be ionized and trapped by colliding with the already trapped ions. The smallest mirror machine with a central field of 30-40 kilogauss, 2;1 mirror ratio and β = 01 to 0.5 that would trap most of the neutral beam in the steady state, would be about a meter in diameter and require the order of hundreds of amperes of D+ ions into the neutralizer. The smallest stellerator with a field of 30 kilogauss and β = 0.1 that would trap most of the neutral beam would be about a meter long and require about 10 amperes of D+ ions. A preliminary mirror machine experiment that might be done using the 1/2-ampere, 100-kev D+ beam from the UCRL spare MTA injector is discussed. A method of starting these machine is discussed."

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[24] p. : ill., tables ; 28 cm.

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Digitized from microopaque cards (1).

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  • OCLC: 929495903
  • SuDoc Number: Y 3.AT 7:22/UCRL-4554
  • Report No.: UCRL-4554
  • Government Documents No.: W-7405-eng-48
  • Archival Resource Key: ark:/67531/metadc714757

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  • August 10, 1955

Added to The UNT Digital Library

  • Feb. 12, 2018, 7:42 a.m.

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  • April 23, 2019, 4:15 p.m.

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Lauer, Eugene J. Energetic Neutral Injection into Thermonuclear Machines, report, August 10, 1955; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc714757/: accessed March 17, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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