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Measurements of interactions between waves and energetic ions in basic plasma experiments

  • Author(s): Heidbrink, WW
  • Boehmer, H
  • McWilliams, R
  • Preiwisch, A
  • Zhang, Y
  • Zhao, L
  • Zhou, S
  • Bovet, A
  • Fasoli, A
  • Furno, I
  • Gustafson, K
  • Ricci, P
  • Carter, T
  • Leneman, D
  • Tripathi, SKP
  • Vincena, S
  • et al.
Abstract

To measure the transport of fast ions by various types of waves, complementary experiments are conducted in linear and toroidal magnetic fields in the large plasma device and the toroidal plasma experiment. Lithium sources that are immersed in the plasma provide the energetic ions. Spatial scans of collectors measure the transport. Techniques to find the beam and optimize the spatial sensitivity are described. Measurements of Coulomb scattering, resonant interaction with Alfvén waves, and transport by drift-wave and interchange turbulence are summarized. © 2012 IOP Publishing Ltd.

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