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Temporal and spatial structure of a runaway electron beam in air at atmospheric pressure
Ist Teil von
Journal of applied physics, 2013-05, Vol.113 (19), p.196101
Ort / Verlag
United States
Erscheinungsjahr
2013
Link zum Volltext
Quelle
AIP Journals Complete
Beschreibungen/Notizen
The time- and spatial structure of a runaway electron beam generated in air at atmospheric pressure by a high-voltage pulse with a rise time of {approx}300 ps is studied experimentally and numerically. It is obtained that the duration of the runaway electron current is a few tens of picoseconds, and it can consist of two or many peaks. It is shown that the many-peak temporal structure of the beam is caused by the non-simultaneous appearance of several emission centers on the cathode edge.