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Dense plasma focus: different cathode geometries and their influence on the hard x-ray production

M Barbaglia, R Giovachini, M Milanese2023年Plasma Physics and Controlled FusionIF 2.2出版社

Using the plasma-focus device called PACO (Plasma Auto COnfinado), three types of cathodes were experimentally investigated to evaluate their influence on the hard x-ray production. Two barred cathodes with diameters of 82 mm and 90 mm and one cathode without any specific structure (i.e. the current sheet flowed freely on the radial axis) were tested for this work. In every experiment, the capacitor bank was charged to 31 kV. The gas used was deuterium in the pressure range of 0.5 mbar and 3.0 mbar. The production of neutrons and hard x-ray simultaneously was not detected outside this range. Using the cathode with a diameter of 82 mm the hard x-ray production was maximized.

日本語訳

プラズマフォーカス装置PACO(Plasma Auto COnfinado)を用いて、3種類の陰極を実験的に調査し、硬X線生成に対するそれらの影響を評価した。直径82 mmおよび90 mmの2つの棒状陰極と、特定の構造を持たない1つの陰極(すなわち、電流シートが半径方向に自由に流れるもの)をこの研究のために試験した。すべての実験において、コンデンサバンクは31 kVに充電された。使用したガスは重水素で、圧力範囲は0.5 mbarから3.0 mbarであった。この範囲外では、中性子と硬X線の同時生成は検出されなかった。直径82 mmの陰極を使用した場合、硬X線生成が最大となった。

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Plasma focusHard X-rayDense plasma focus
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