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Relativistic electron beams detection in a dense plasma focus

  • J. Pouzo
  • H. Acuña
  • M. Milanese
  • R. Moroso

Abstract:

Fast electron beams into a hollow anode of a small plasma focus machine (2 kJ, 4 μF) were measured. The diagnostic method designed for this purpose is founded in a small Rogowski coil introduced into a cavity performed in the anode. By means of this, electron beam pulses of about 10 ns width generated in the plasma focus are detected. Simultaneously, hard X-ray signals obtained from a scintillator-photomultiplier system are registered. The electron beam energy was measured through the time-of-flight of the electrons between probe and anode top. The beams are found to be relativistic and its energy is into the range of hard X-rays energy. An analysis of signal intensities and relative delays for three hundred shots are here presented.

PACS. 52.58.Lq Z-pinches, plasma focus and other pinch devices – 52.70.Ds Electric and magnetic measurements – 52.70.Nc Particle measurements 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2002

Authors and Affiliations

  • J. Pouzo
    • 1
  • H. Acuña
    • 2
  • M. Milanese
    • 1
  • R. Moroso
    • 1
  1. 1.Instituto de Física Arroyo Seco, Universidad Nacional del Centro de la Provincia de Buenos Aires and CONICET, Pinto 399, 7000 Tandil, ArgentinaAR
  2. 2.Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, ArgentinaAR

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