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Nonmonotonic Spatial Distributions of Charge-Exchange Neutral Fluxes and Optical Radiation from Plasma in the DAMAVAND Tokamak

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Abstract

Results are presented from investigations of the nonmonotonic spatial distributions of charge-exchange neutral fluxes and optical radiation from plasma in the DAMAVAND tokamak. It is shown that, during ohmic heating of the plasma, the regions with enhanced confinement of both the background plasma particles and heavy impurity ions arise near rational magnetic surfaces with q = 1 and 2. These regions are characterized by enhanced emission of accelerated charge-exchange neutrals and optical radiation from impurity ions.

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Authors and Affiliations

  1. K-N Toosi University of Technology, Tehran, Islamic Republic of Iran

    R. Amrollahy

  2. National Institute for Fusion Science, Toki-shu, Japan

    E. Farshi

  3. Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia

    N. N. Brevnov, Yu. V. Gott & V. A. Shurygin

Authors
  1. R. Amrollahy
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  2. E. Farshi
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  3. N. N. Brevnov
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  4. Yu. V. Gott
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  5. V. A. Shurygin
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Amrollahy, R., Farshi, E., Brevnov, N.N. et al. Nonmonotonic Spatial Distributions of Charge-Exchange Neutral Fluxes and Optical Radiation from Plasma in the DAMAVAND Tokamak. Plasma Phys. Rep. 28, 535–538 (2002). https://doi.org/10.1134/1.1494050

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  • DOI: https://doi.org/10.1134/1.1494050

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