Enhanced loss of fast ions during mode conversion ion Bernstein wave heating in TFTR

D. S. Darrow, R. Majeski, N. J. Fisch, R. F. Heeter, H. W. Herrmann, M. C. Herrmann, M. C. Zarnstorff, S. J. Zweben

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Abstract

A strong interaction of fast ions with ion Bernstein waves has been observed in TFTR. It results in a large increase in the fast ion loss rate and heats the lost particles to several megaelectronvolts. The lost ions are observed at the passing-trapped boundary and appear to be either DD fusion produced tritons or accelerated deuterium neutral beam ions. Under some conditions, enhanced loss of DT alpha particles is also seen. The losses provide experimental support for some of the elements required for alpha energy channelling.

Original languageEnglish (US)
Pages (from-to)509-513
Number of pages5
JournalNuclear Fusion
Volume36
Issue number4
DOIs
StatePublished - Apr 1 1996

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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    Darrow, D. S., Majeski, R., Fisch, N. J., Heeter, R. F., Herrmann, H. W., Herrmann, M. C., Zarnstorff, M. C., & Zweben, S. J. (1996). Enhanced loss of fast ions during mode conversion ion Bernstein wave heating in TFTR. Nuclear Fusion, 36(4), 509-513. https://doi.org/10.1088/0029-5515/36/4/I10