Electron Energy Distribution in a High Pressure Gas Discharge Sustained by a High Current Electron Beam
Abstract
The electron energy distribution in a high pressure molecular gas discharge sustained by a high current electron beam is calculated for the electron energies strongly exceeding the ionization energy. The consideration is valid also for the nonuniform local distribution in velocity space. An approximate analytical solution is carried out, and the expression for the integrated distribution function F(ν)= ∫ _{ν} f(ν, r)dθd^{3}r is given. Using this function we calculate the number of ionizations assuming threebody recombination as the main loss mechanism. We also calculate the specific energy deposited in the gas mixture and compare it with experimental results. The agreement is found to be reasonable, which emphasizes the necessity of the kinetic approach.
 Publication:

Physica Scripta
 Pub Date:
 January 1977
 DOI:
 10.1088/00318949/15/1/005
 Bibcode:
 1977PhyS...15...59T
 Keywords:

 Electron Beams;
 Electron Pumping;
 Gas Discharges;
 Gas Lasers;
 Laser Outputs;
 Energy Distribution;
 Gas Ionization;
 High Current;
 High Pressure;
 Kinetic Equations;
 Plasma Physics;
 Plasma Physics