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1 2001

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Stabilizing of Z-pinch and Plasma Focus discharges due to thick wires

Kubeš P., Kravárik J., Paduch M., Tomaszewski K., Scholz M., Karpinski L., Szydlowski A., Bakshaev Y., Blinov P., Chernenko A. S., Gordeev E. M., Dan’ko S. A., Korolev V. D., Shashkov A., Tumanov V. I., Romanova V., Klír D.

Nukleonika

2001

Vol. 46, nr 1

5-7

This paper presents the results of the diagnostics observing the impact of the plasma sheath imploded in megaamper Z-pinch or plasma focus devices onto the Al or C wires of 30-300 mi m in diameter fixed in the center axis. The discharges were operated with a maximum current of 1.5-3 MA at two devices, PF 1000 at IPFLM in Warsaw, and Stand 300 at RRC Kurchatov Institute in Moscow. At the plasma impact the 10-50 ns XUV pulse was emitted in K-shell lines from the ring or helical-like forms on the surface of the wire corona. The scenario of the production of the non-equilibrium intensities of the C and Al H-like and He-like lines is discussed considering fast transformation of magnetic field, electron beams acceleration, total ionization of the ions and fast recombination in dense and magnetized wire corona.