Stable pinch in the SPEED 2 plasma focus
W. KiesA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgG. DeckerA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgU. BerntienA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgYu. V. SidelnikovInstitut fur Experimentalphysik, Heinrich-Heine-Universitat, Dusseldorf, GermanyDaniil A. GlushkovA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgK. N. KoshelevA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgD. M. SimanovskiiA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgS. V. BobashevA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg
ABI
Abstract
Conditions of discharge generation in deuterium doped with heavy argon and xenon gases were investigated in experiments in the SPEED 2 plasma focus in the micropinch plasma compression mode and in the stable plasma formation regime. An extensive arsenal of diagnostic techniques, including spectral techniques in the soft-x-ray range with temporal, spatial, and energy resolution was used to achieve a controlled transition from one regime to another. The experimental data are consistent with the assumption that the discharge is stabilized by a gyromagnetic deuteron acceleration mechanism.
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