スペースシャトル搭載用電子加速器を用いた大型スペースチェンバー(宇宙研及びNASA)における室内実験

概要

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A large-scale electron beam experiment was performed in the large NASA JSC vacuum facility in Houston, Texas. The characteristics of electron beam propagation, the beam-beam and beam-plasma interactions were studied with least wall effect. Recontraction of the electron beam due to the geomagnetic field was observed in a low power operation of the electron beam accelerator and electrostatic waves at frequencies of (n+1/2) f_<ce> (n : integer, f_<ce> electron cyclotron frequency) were generated when a counter-streaming beam configuration was formed. The charging of the electron beam accelerator system in a floating mode operation and its neutralization were also studied for the design of SEPAC instruments.
宇宙航空研究開発機構の論文