Formation, cascade development, and rupture of the X-pinch neck |
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Authors: | G V Ivanenkov S A Pikuz T A Shelkovenko J Greenly D B Sinars D A Hammer |
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Institution: | (1) Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 117924, Russia;(2) Laboratory of Plasma Studies, Cornell University, 369 Upson Hall, Ithaca, New York 14853, USA |
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Abstract: | Data from high-resolution x-ray shadow photography of an X-pinch in the diode of a high-power dense-plasma generator are presented. The processes leading to the formation of a minidiode, the compression of the neck arising in it, and the cutoff and subsequent emptying of the neck are studied. Cascade formation of short-lived structures, which consistently reproduce the form of the minidiode on small scales before the x-ray burst, is observed in the course of the implosion. The position of the x-ray emission points is determined. |
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