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Studies of plasma dynamics in megampere X-pinches |
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| Authors: | S. S. Anan’ev Yu. L. Bakshaev P. I. Blinov V. A. Bryzgunov S. A. Dan’ko A. A. Zelenin E. D. Kazakov Yu. G. Kalinin A. S. Kingsep V. D. Korolev V. I. Mizhiritskiy S. A. Pikuz V. P. Smirnov M. M. Sokolov S. I. Tkachenko G. I. Ustroev A. S. Chernenko T. A. Shelkovenko |
| Affiliation: | (1) Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia;(2) Cornell University, Ithaca, NY 14853, USA;(3) Lebedev Physical Institute, Russian Academy of Sciences, Leninskiĭ pr. 53, Moscow, 119991, Russia |
| Abstract: | Results are presented from experimental studies of the dynamics and parameters of the plasma generated by megampere (up to 2.3 MA) currents flowing through X-pinches formed from crossed wires made of various materials. The experiments were performed with different numbers of wires and different wire diameters. The X-ray yield in neon-like molybdenum lines (in the 2.5- to 3-keV photon energy range) from a <20 μm hot spot was larger than 10 J, and the soft X-ray power emitted from this spot reached 120 GW. The hot-spot lifetime estimated by comparing the measured and calculated emission intensities and line profiles of helium-like Fe and Cr ions was ～10 ps. Hard X-ray emission in the photon energy range ≥800 keV was also detected. |
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