Excitation of the 7s2P1/2, 3/2 levels of Xe+ due to charge exchange in the negative glow of a glow discharge in a neon-xenon mixture |
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Authors: | V S Kurov I I Murav'ev |
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Institution: | (1) V. D. Kuznetsov Siberian Physicotechnical Institute, Tomsk State University, USSR |
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Abstract: | It is shown that in the negative glow of a glow discharge in mixtures of neon with xenon (xenon contents of 5.5·10–3 to 2% of the total pressure P of the mixture) with P=15 torr and discharge currents i=40 mA (cathode diameter 30 mm), the 7s2P1/2, 3/2 levels of the Xe+ ion are excited by the charge exchange reaction Xe
m
+ Ne+ Xe+* + Ne.The effective cross section Q3/2 for excitation of the 7s2P3/2 level is estimated to lie between 10–14 and 10–15 cm2 and Q3/2 6.5 × Q1/2, where Q1/2 is the effective cross section for excitation of the 7s2P1/2 level.Translated from Izvestiya Vysshikh Uchebnykh Zavedenii Fizika, No. 3, pp. 96–99, March, 1979. |
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