Temperature dependence of the quenching of the Na-D-doublet by nitrogen molecules
β Scribed by P.L. Lijnse
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 348 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
inclusion of an attractive part of the interaction potenti into the ionic curve-crossing model theory for the quenching of the Na-D-doublet by nitrogen molecules, the discrepancy between theory and espcriments may be removed.
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Photoabsorption cross sections were measured for Na,+ , n=9,21, and 41 at two temperatures, a low one at T= 130 K, and a high one with T> 300 K. A large, unexpected temperature effect is observed. The single, broad peaks observed at high temperature become narrower at 130 K for n = 2 1 and 4 1. For
The kinetics of the quenching of metastable 0('S) atoms by a number of chlorofluoromethanes has been studied by a pulsed VUV resonance lamp for the generation of the metastable species and by the forbidden transition at 557 nm for their detection. The rate constants of all investigated quenchers are