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Evidence of non-thermal processes in a 1-MJ plasma focus device by analysing the neutron spectra

M.M. Milanese, J.O. Pouzo1978年被引用 25Nuclear FusionIF 3出版社

The spectrum of neutrons from the 1-MJ Plasma Focus of Frascati, in the 90° direction, has been analysed. The spectra have been determined by the time-of-flight method, with a resolution of about 0.12 MeV (∼5%). The presence of secondary peaks, at both sides of a 2.45-MeV peak, constitutes new evidence that a relevant fraction (∼0.5) of the neutron yield is due to non-thermal processes. The interpretation of the secondary peaks by means of beam-target models requires complex beam configurations, such as one or more circular loops or a pattern of divergent beams.

日本語訳

フラスカティの1-MJプラズマフォーカスから90°方向に放出された中性子のスペクトルを解析した。スペクトルは飛行時間法により決定され、その分解能は約0.12 MeV(約5%)であった。2.45-MeVピークの両側に二次ピークが存在することは、中性子収量の相当な割合(約0.5)が非熱的過程によるものであるという新たな証拠となる。二次ピークをビーム・ターゲットモデルによって解釈するには、1つまたは複数の円形ループ、あるいは発散ビームのパターンなどの複雑なビーム構成が必要である。

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