Alpha channeling in mirror machines and in tokamaks

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The alpha channeling effect in tokamaks exploits the higher population of high-energy alpha particles in the tokamak interior compared to that of low-energy alpha particles at the periphery. Because of the population inversion, it is possible to inject waves that diffuse resonant particles along diffusion paths connecting these regions, so that hot alpha particles diffuse to the periphery and cool at the same time. This effect has been suggested as a way of achieving considerably higher performance in tokamak fusion reactors, and similar possibilities might be expected in mirror reactors.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalFusion Science and Technology
Issue number2 T.
StatePublished - Feb 2007

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • General Materials Science
  • Mechanical Engineering


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