Electron multiplication in a gas discharge at high values of E/p

L. Friedland*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

This paper presents a theoretical study of the electron multiplication in Townsend dis charge in the case of large values of E/p. An equation for the electron current density at different discharge points is found. An analytical expression for the first Townsend's ionization coefficient α/p has been obtained from the solution of this equation for a uniform electric field. The slopes a and k of the curves of ionization and total inelastic collision cross sections as functions of energy for some gases are obtained from the analysis of experimental data for α/p. Using the values of a and k one can solve the equation for the electron current density also for the case of non-uniform electric field. As an example, electron current densities in the discharge in nitrogen between two concentric cylinders as functions of voltages are calculated.

Original languageEnglish
Article number311
Pages (from-to)2246-2253
Number of pages8
JournalJournal of Physics D: Applied Physics
Volume7
Issue number16
DOIs
StatePublished - 1974

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