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Target plasma trapping

R.J. Colchin1971年被引用 5Nuclear FusionIF 3出版社

The trapping of neutrals from a fast atom beam impinging on an electron-cyclotron-plasma target is studied. The electron-cyclotron plasma is assumed to be fed by an influx of molecular hydrogen. Radial attenuation of the feed gas and the H0 formed by its dissociation is considered in detail. Both the addition of neutrals and depletion of the target by charge exchange with the beam are also taken into account, as is reflux from nearby walls. Given a sufficiently high target density (≥ 1013 protons/cm3), a sufficiently low background density, and a 0.01-1.0 A neutral beam, it is calculated that 1011-1013 protons/cm3 can be accumulated with a trapping efficiency of several per cent.

日本語訳

高速原子ビームが電子サイクロトロンプラズマ標的に入射する際の中性粒子の捕捉について研究する。電子サイクロトロンプラズマは分子状水素の流入によって供給されると仮定する。供給ガスおよびその解離によって生成されるH0の径方向減衰を詳細に考察する。ビームとの電荷交換による中性粒子の追加と標的の減少の両方も考慮する。さらに、近傍の壁からの反射も考慮する。標的密度が十分に高い場合(≥ 10¹³ protons/cm³)、背景密度が十分に低い場合、および0.01〜1.0 Aの中性ビームの場合、捕捉効率数パーセントで10¹¹〜10¹³ protons/cm³を蓄積できると計算される。

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