Runaway electrons and x-ray emission in air and other gases during discharges with long rise time of voltage pulses

Alexander G. Burachenko; Cheng Zhang; Victor F. Tarasenko; Tao Shao; Evgenii Kh. Baksht; Ping Yan

doi:10.1117/12.2541580

11 December 2019 Runaway electrons and x-ray emission in air and other gases during discharges with long rise time of voltage pulses

Alexander G. Burachenko, Cheng Zhang, Victor F. Tarasenko, Tao Shao, Evgenii Kh. Baksht, Ping Yan

Author Affiliations +

Proceedings Volume 11322, XIV International Conference on Pulsed Lasers and Laser Applications; 113222V (2019) https://doi.org/10.1117/12.2541580
Event: XIV International Conference on Pulsed Lasers and Laser Applications (AMPL-2019), 2019, Tomsk, Russian Federation

Abstract

The objective of the work is to study effect of the rise time of voltage pulses ranged from 15 ns to 1.5 μs on generation of runaway electron beams and X-ray radiation in nonuniform electric field. Three setups and different pressures of air, nitrogen, argon and helium were used. The experiments on the setup #1 have confirm that there are different regimes of generation of runaway electrons and X-ray emission when voltage pulses with a long front duration are used. When voltage pulse amplitude reached 150 kV at a pulse rise time of 1.5 μs, the new results was obtained on the setup #3. At this setup, a runaway electron beam was registered by a collector in argon, air, and nitrogen at pressures up to ≈ 12.5 kPa. When using helium, a supershort avalanches electron beam (SAEB) was obtained at a pressure of 100 kPa.

Citation Download Citation

Alexander G. Burachenko, Cheng Zhang, Victor F. Tarasenko, Tao Shao, Evgenii Kh. Baksht, and Ping Yan "Runaway electrons and x-ray emission in air and other gases during discharges with long rise time of voltage pulses", Proc. SPIE 11322, XIV International Conference on Pulsed Lasers and Laser Applications, 113222V (11 December 2019); https://doi.org/10.1117/12.2541580

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