The excitation mechanism for the C3Πustate of nitrogen in glow discharge
- 1 February 1972
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 5 (2) , 402-407
- https://doi.org/10.1088/0022-3700/5/2/037
Abstract
Intensity measurements on bands of the second positive system of nitrogen have been made over a wide range of conditions in the position column of a nitrogen discharge. The measurements have been used to obtain relative population of the vibrational levels of the C3 Pi u state. Calculated excitation probabilities are examined for some of the possible excitation processes contributing to these populations. As a result of using these in conjunction with the measurements, it is suggested that in a positive column, the main process for populating the C3 Pi u state is direct excitation by electrons from the ground state (x1 Sigma g), the part played by other processes being very small.Keywords
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