The First Observations of Cherenkov's Radiation of Runaway Electrons Produced by Discharge in Dense Gas

The First Observations of Cherenkov's Radiation of Runaway Electrons Produced by Discharge in Dense Gas

For the first time, Cherenkov's radiation (CR) was detected of runaway electron (RE) pulse generated by electric discharge in open atmosphere. The measured duration of the CR pulse is Δt 0.5 ≈ 0.4 ns, the intrinsic duration does not exceed the measured duration of the pumping RE pulse At 0.5 ≈...

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Veröffentlicht in:IEEE transactions on plasma science 2014-04, Vol.42 (4), p.948-952
Hauptverfasser: Babich, Leonid P., Loiko, Tat'yana V., Rodigin, Anatolii V.
Format: Artikel
Sprache:eng
Schlagworte:
Air
Atmosphere
Atmospheres
atmospheric density
Atmospheric measurements
Cherenkov's radiation (CR)
Discharges (electric)
electric discharge
Electric discharges
Electrons
Gases
high voltage
Luminescence
Oscilloscopes
Plexiglas
Pulse measurements
Pumping
Radiation
Radiators
runaway electrons (REs)
Spectroscopy
subnanosecond
Thresholds
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Beschreibung
Zusammenfassung:For the first time, Cherenkov's radiation (CR) was detected of runaway electron (RE) pulse generated by electric discharge in open atmosphere. The measured duration of the CR pulse is Δt 0.5 ≈ 0.4 ns, the intrinsic duration does not exceed the measured duration of the pumping RE pulse At 0.5 ≈ 0.15 ns. The observations of CR, executed with Plexiglas radiator, testify that the RE spectrum is stretched above the CR threshold in Plexiglas 176.4 keV.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2014.2308529