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Modelling of the continuum X-ray spectra produced by anisotropic electron distributions in tokamak plasmas under LHCD conditions

C Janicki1993年Plasma Physics and Controlled FusionIF 2.2出版社

The continuum X-ray spectrum resolved in angle due to the axisymmetric anisotropic electron velocity distribution F(v) produced during lower hybrid current drive (LHCD) in tokamak plasmas is modelled. The radiative processes considered are the electron-ion (e-i) and electron-electron (e-e) bremsstrahlung, and the direct radiative recombination (DRR) averaged over the velocity distribution F(v) predicted by the one-dimensional Fokker-Planck model. The mathematical expressions are also given to obtain the total number of photons in a detector looking through a plasma column for a two-aperture system and sample calculations for LHCD conditions on the Tokamak de Varennes, are presented.

日本語訳

トカマクプラズマにおける低域混成波電流駆動(LHCD)中に生成される軸対称異方性電子速度分布関数F(v)によって角度分解された連続X線スペクトルをモデル化する。考慮される放射過程は、電子-イオン(e-i)および電子-電子(e-e)制動放射、ならびに一次元フォッカー・プランクモデルによって予測される速度分布関数F(v)にわたって平均化された直接放射再結合(DRR)である。また、トカマク・ド・ヴァレンヌにおけるLHCD条件下でのサンプル計算とともに、二開口系においてプラズマ柱を通して観測する検出器内の全光子数を求めるための数学的表現を示す。

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Lower hybrid current drive
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