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Charge exchange recombination spectra for 100 keV/u and 500 keV/u atomic hydrogen beam colliding with W64+

Yu Ralchenko, D R Schultz2019年Plasma Physics and Controlled FusionIF 2.2出版社

We present synthetic spectra for light emission following charge exchange (CX) recombination for Ne-like W64+ ions colliding with neutral atomic hydrogen at 100 and 500 keV/u, which is of relevance to the plasma diagnostics of the international experimental fusion device ITER now under construction. The spectra are calculated using a detailed collisional-radiative model for the W63+ ion that includes more than 6000 singly- and doubly-excited states and accounts for major physical processes in hot fusion plasmas. The CX cross sections into excited states are computed using the classical trajectory Monte Carlo method. A comprehensive analysis of the modifications to the spectra due to CX is presented.

日本語訳

我々は、100および500 keV/uで中性原子状水素と衝突するネオン様W64+イオンに対する電荷交換(CX)再結合に続く発光の合成スペクトルを提示する。これは、現在建設中の国際実験核融合装置ITERのプラズマ診断に関連するものである。スペクトルは、6000以上の一重励起および二重励起状態を含み、高温核融合プラズマにおける主要な物理過程を考慮したW63+イオンの詳細な衝突放射モデルを用いて計算される。励起状態へのCX断面積は、古典軌道モンテカルロ法を用いて計算される。CXによるスペクトルの変化の包括的な解析が提示される。

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