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

Author

Babich, Leonid P. ; Loiko, Tat´yana V. ; Rodigin, Anatolii V.

Author_Institution

Russian Fed. Nucl. Center, All-Russian Res. Inst. of Exp. Phys., Nizhny Novgorod, Russia

Volume

42

Issue

4

fYear

2014

fDate

Apr-14

Firstpage

948

Lastpage

952

Abstract

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.

Keywords

Cherenkov radiation; discharges (electric); plasma density; plasma diagnostics; plasma transport processes; CR threshold; Cherenkov´s radiation; Plexiglas radiator; RE spectrum; dense gas; discharges; runaway electron pulse; Atmosphere; Atmospheric measurements; Discharges (electric); Luminescence; Oscilloscopes; Pulse measurements; Spectroscopy; Air; Cherenkov´s radiation (CR); atmospheric density; electric discharge; high voltage; runaway electrons (REs); subnanosecond; subnanosecond.;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/TPS.2014.2308529

Filename

6778029