Abstract
The forbidden transitions observed in the nitrogen spectrum below 12.5 V have been studied by electron-impact methods. Since the theory indicates that electric quadrupole transitions are preferred to singlet—triplet in electron-impact spectra at intermediate energies, the observed transitions are probably electric quadrupole allowed. This has been demonstrated for the 12.25-V transition by studying its relative intensity as a function of the scattering angle. The data on the 11.86-V transition are also compatible with an electric quadrupole transition. In addition, new data on the Lyman—Birge—Hopfield bands in the 60–400-V energy range indicate that the intensity distribution among vibrational levels is independent of energy.
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Dates
Type | When |
---|---|
Created | 20 years, 7 months ago (Jan. 9, 2005, 4:42 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 8, 2024, 8:28 p.m.) |
Indexed | 3 weeks, 3 days ago (July 30, 2025, 10:09 a.m.) |
Issued | 58 years, 9 months ago (Nov. 1, 1966) |
Published | 58 years, 9 months ago (Nov. 1, 1966) |
Published Print | 58 years, 9 months ago (Nov. 1, 1966) |
@article{Lassettre_1966, title={Quadrupole-Allowed Transitions in the Electron-Impact Spectrum of N2}, volume={45}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1728096}, DOI={10.1063/1.1728096}, number={9}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Lassettre, Edwin N. and Skerbele, Ausma and Meyer, Vincent D.}, year={1966}, month=nov, pages={3214–3226} }