Measuring of spatiooral characteristics Z-pinch from deuterated polyethylene

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Abstract

On the S-300 installation at currents up to 2 MA with rise time 100 ns, the investigation of the formation process of higherature plasma in fast Z-pinch was carried out. The central part of the loads was made from agar-agar and represented a deuterated polyethylene cylinder with small density 50 and 75 mg/sm3 and 1-2 mm diameter. On the ICT images, obtained in optical and soft X-ray range of a spectrum with 3-5 ns exposition, it is visible that on the axis of the polyethylene cylinder at the current's rise time a cord is formed and it is separated into bright formations. They were observed on a background of a luminous area which occupied the initial neck volume. On time-integrated pinhole pictures obtained in SXR range (E > 1-4 keV), hot points with minimal size of 50 microns were registered. From the chronograms results, obtained by means of the optical high-speed-streak camera mount along the neck axis with time resolution 1 keV with short duration of 2-4 ns. Simultaneously with X-ray radiation neutrons with the maximal yield of 4.5×109 were registered. The average energy measured in 4 directions under angles with an axis of: 0° (above the anode), 90°, 180 ° (under the cathode) and 270°, were accordingly: 2.4±0.2, 2.5±0.1, 2.5±0.1, 2.5±0.1 MeV. © 2009 EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg.

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Akunets, A. A., Anan’ev, S. S., Bakshaev, Y. L., Blinov, P. I., Bryzgunov, V. A., Chernenko, A. S., … Zelenin, A. A. (2009). Measuring of spatiooral characteristics Z-pinch from deuterated polyethylene. European Physical Journal D, 54(2), 499–502. https://doi.org/10.1140/epjd/e2009-00111-0

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