INFLUENCE OF PERTURBATION ON POPULATION PROCESSES OF 4p ARGON LEVELSReport as inadecuate




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Abstract : Population of argon 4p levels in a decaying plasma was found to be predominantly due to the dissociative recombination of molecular argon ions1 2. This selective process of population was suggested by Lorents3, 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.





Author: S. Djeniže J.M. Labat

Source: https://hal.archives-ouvertes.fr/



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