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Plasma manipulation techniques for positron storage in a multicell trap

Physics of Plasmas, ISSN: 1070-664X, Vol: 13, Issue: 12
2006
  • 60
    Citations
  • 0
    Usage
  • 17
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    60
    • Citation Indexes
      60
  • Captures
    17

Article Description

New plasma manipulation techniques are described that are central to the development of a multicell Penning trap designed to increase positron storage by orders of magnitude (e.g., to particle numbers N 1012). The experiments are done using test electron plasmas. A technique is described to move plasmas across the confining magnetic field and to deposit them at specific radial and azimuthal positions. Techniques to fill and operate two in-line plasma cells simultaneously, and the use of 1 kV confinement potentials are demonstrated. These experiments establish the capabilities to create, confine, and manipulate plasmas with the parameters required for a multicell trap; namely, particle numbers > 1010 in a single cell with plasma temperature ≤0.2 eV for plasma lengths ∼10 cm and radii ≤0.2 cm. The updated design of a multicell positron trap for 1012 particles is described. © 2006 American Institute of Physics.

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