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      The observed disruption of intense runaway electron streams in a plasma betatron

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      Shepherd_Lloyd_Thomas_1962_sec.pdf (9.498Mb)
      Date
      1962
      Author
      Shepherd, Lloyd Thomas
      Type
      Thesis
      Degree Level
      Doctoral
      Metadata
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      Abstract
      This thesis describes an investigation of the problem of producing an intense stream of runaway electrons. With an argon plasma (density from 4 x 1010 to 4 x 1011 cm-3) in an azimuthal magnetic field of 0.1 webers/m2, accelerating fields from 8.8 x 102 to 8.8 x 103 volts/m were used. Refined Rogowski-coil and scintillationdetector diagnostic techniques were used to study the behavior of the system. Intense runaway electron streams were observed. Disruption of the stream occurred approximately 0.4 usec after its formation. X radiation was observed during the disruption. The energy of the electrons producing the x rays (approximately 100 kev), is less than would have been observed if they were accelerated freely from the moment of application of the accelerating field. It is concluded that the disruption of the streaming motion is due to an instability.
      Degree
      Doctor of Philosophy (Ph.D.)
      Department
      Physics
      Program
      Physics
      Supervisor
      Skarsgard, H. M.
      Copyright Date
      1962
      URI
      http://hdl.handle.net/10388/etd-10222012-133149
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      • Graduate Theses and Dissertations
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