M. F. Artamonov, V. I. Krasov, V. L. Paperny

Irkutsk State University, Russia

It has been found that at the initial stage of a vacuum spark burning the "flashes" of a X-ray emission were generated. Dependence of the plasma electron temperature on a capacitor voltage has been obtained with a method of absorbers. The temperature lies within a range of 150-200 eV at the capacitor voltage been varied at the range of 0.6-1.5 keV. It has been established that intensity of the X-ray emission increases therewith more than two orders of magnitude. The revealed phe-nomenon is due obviously with formation of a neck because of a pinch effect within a boundary of a cathode plasma jet expanding into the ambient vacuum.

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