Electron detachment in oxygen
- 1 December 1970
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 3 (12) , 1724-1731
- https://doi.org/10.1088/0022-3700/3/12/016
Abstract
Using a double ionization chamber in one half of which negative ions are formed and in the other half of which they suffer detachment, experiments on the collisional detachment from O3-and O2-in oxygen at E/p at 20 degrees C equal to 45-50 V cm-1torr-1give values for the detachment coefficient per unit pressure delta /p approximately 0.01. Pressure variations (20-60 torr) are discussed. For Townsend discharges in these circumstances in oxygen detachment is thus relatively unimportant, in that delta << eta (the attachment coefficient).Keywords
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