Ion acceleration and neutron production in hybrid gas-puff z-pinches on the GIT-12 and HAWK generators

Medientyp: E-Artikel

Titel: Ion acceleration and neutron production in hybrid gas-puff z-pinches on the GIT-12 and HAWK generators

Beteiligte: Klir, D.; Jackson, S. L.; Shishlov, A. V.; Kokshenev, V. A.; Rezac, K.; Beresnyak, A. R.; Cherdizov, R. K.; Cikhardt, J.; Cikhardtova, B.; Dudkin, G. N.; Engelbrecht, J. T.; Fursov, F. I.; Krasa, J.; Kravarik, J.; Kubes, P.; Kurmaev, N. E.; Munzar, V.; Ratakhin, N. A.; Turek, K.; Varlachev, V. A.

Erschienen: AIP Publishing, 2020

Sprache: Englisch

DOI: 10.1063/1.5132845

ISSN: 2468-2047; 2468-080X

Schlagwörter: Electrical and Electronic Engineering ; Nuclear Energy and Engineering ; Nuclear and High Energy Physics ; Atomic and Molecular Physics, and Optics

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Beschreibung: Z-pinch experiments with a hybrid configuration of a deuterium gas puff have been carried out on the HAWK (NRL, Washington, DC) and GIT-12 (IHCE, Tomsk) pulsed power generators at 0.7 MA and 3 MA currents, respectively. On GIT-12, neutron yields reached an average value of 2 × 1012 neutrons, and deuterons were accelerated up to an energy of 30 MeV. This was 50 times the ion energy provided by the generator driving voltage of 0.6 MV and the highest energy observed in z-pinches and dense plasma foci. To confirm these unique results independently on another device, we performed several experimental campaigns on the HAWK generator. Comparison of the experiments on GIT-12 and HAWK helped us to understand which parameters are essential for optimized neutron production. Since the HAWK generator is of a similar pulsed power architecture as GIT-12, the experiments on GIT-12 and HAWK are important for the study of how charged-particle acceleration scales with the current.

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