Absolute cross sections for electron excitation of the second positive bands of nitrogen
- 1 January 1969
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 2 (1) , 52-64
- https://doi.org/10.1088/0022-3700/2/1/309
Abstract
Absolute excitation cross sections for the emission of the second positive bands of nitrogen under electron impact have been obtained. Peak level cross sections for the νprime = 0, 1, 2 levels of the c 3IIu state were found to be, respectively, 235 × 10-18 cm2, 144 × 10-18 cm2 and 49 × 10-18 cm2. Good agreement is found with the theoretical A coefficients for the relative intensities of the different vibrational bands. The results are compared with those of other workers and various secondary effects which were observed are discussed.Keywords
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