Journal
PLASMA PHYSICS REPORTS
Volume 37, Issue 5, Pages 409-421Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S1063780X11040118
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Funding
- Russian Federal target program Scientific and Educational Personnel of the Innovative Russia [02.740.11.0562]
- Russian Foundation for Basic Research [09-08-00030-a]
- Siberian Branch, Russian Academy of Sciences
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Conditions under which the number of runaway electrons in atmospheric-pressure air reaches similar to 5 x 10(10) are determined. Recommendations for creating runaway electron accelerators are given. Methods for measuring the parameters of a supershort avalanche electron beam and X-ray pulses from gas-filled diodes, as well as the discharge current and gap voltage, are described. A technique for determining the instant of runaway electron generation with respect to the voltage pulse is proposed. It is shown that the reduction in the gap voltage and the decrease in the beam current coincide in time. The mechanism of intense electron beam generation in gas-filled diodes is analyzed. It is confirmed experimentally that, in optimal regimes, the number of electrons generated in atmospheric-pressure air with energies T > eU (m) , where U (m) is the maximum gap voltage, is relatively small.
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