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Electron energy distribution function in a high-voltage pulsed discharge with an extended hollow cathode
Ashurbekov N. A.
1, Zakaryaeva M. Z.
1, Iminov K.O.
1, Rabadanov K. M.
1, Shakhsinov G. S.
1
1Dagestan State University, Makhachkala, Dagestan Republic, Russia
Email: nashurb@mail.ru
The dynamics of a nanosecond discharge with an extended hollow cathode in argon is studied and the electron energy distribution function (EEDF) in a plasma column is calculated. The issues of the formation of the EEDF in the discharge column and inside the cathode cavity are considered. The conditions of the validity the two-term approximation of the EEDF in the plasma column are analyzed and the appropriate evaluations are given. Keywords: hollow cathode, pulse discharge, argon, electron energy distribution function.
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