Investigation of high energy runaway electron confinement in the Oak Ridge tokamak

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High energy runaway electrons in the Oak Ridge tokamak ORMAK have been investigated through measurement of the bremsstrahlung produced when these electrons leave the discharge and strike the limiting aperture of the torus. The experimental results have been interpreted in terms of a classical single-particle model appropriate for collisionless particles in a tokamak, and it has been found that most of the confinement properties of high energy runaways in ORMAK can be understood on this basis. An experiment designed to directly test this model has disclosed an anomalous transport which has been described by a runaway diffusion coefficient D approximately ... continued below

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Pages: 287

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Zweben, S. J. November 1, 1977.

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High energy runaway electrons in the Oak Ridge tokamak ORMAK have been investigated through measurement of the bremsstrahlung produced when these electrons leave the discharge and strike the limiting aperture of the torus. The experimental results have been interpreted in terms of a classical single-particle model appropriate for collisionless particles in a tokamak, and it has been found that most of the confinement properties of high energy runaways in ORMAK can be understood on this basis. An experiment designed to directly test this model has disclosed an anomalous transport which has been described by a runaway diffusion coefficient D approximately 10/sup 2/ to 10/sup 4/ cm/sup 2//sec appropriate for runaways near the outside of the plasma. A discussion of the possible mechanisms for this anomalous transport is given.

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Pages: 287

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Dep. NTIS, PC A13/MF A01.

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  • Other Information: Thesis

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  • Report No.: ORNL/TM-6030
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/5207694 | External Link
  • Office of Scientific & Technical Information Report Number: 5207694
  • Archival Resource Key: ark:/67531/metadc1058177

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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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  • November 1, 1977

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 6:08 p.m.

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Zweben, S. J. Investigation of high energy runaway electron confinement in the Oak Ridge tokamak, thesis or dissertation, November 1, 1977; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1058177/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.