| Issue |
J. Phys. Colloques
Volume 40, Number C7, Juillet 1979
XIVe Conférence Internationale sur les Phénomènes d'Ionisation dans les Gaz / XIVth International Conference on Phenomena in Ionized Gases
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| Page(s) | C7-47 - C7-48 | |
| DOI | https://doi.org/10.1051/jphyscol:1979723 | |
J. Phys. Colloques 40 (1979) C7-47-C7-48
DOI: 10.1051/jphyscol:1979723
INFLUENCE OF PERTURBATION ON POPULATION PROCESSES OF 4p ARGON LEVELS
S. Djenize et J.M. Labat.Department of Physics and Meteorology and Institute of Physics, 11000 Beograd, Yugoslavia.
Abstract
Population of argon 4p levels in a decaying plasma was found to be predominantly due to the dissociative recombination of molecular argon ions(1) (2). This selective process of population was suggested by Lorents(3), although no special difference between the various 4p levels has been pointed out. An attempt was made in this study to develop the 4p levels population problem further. For this purpose four spectral lines were selected and their intensities were monitored in a DC regime as well as during the decay of a perturbed argon plasma. Rather interesting behaviour of population densities for the various perturbation energy was found, although the linear dependence of population on the gas pressure was recorded. Highest 4p level (upper level of the 7503,37 Å line) was practicaly under all conditions more populated in decaying plasma, what was not the case for the lower lying upper level of 8115,31 Å line.