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| Titel |
Electronically excited molecular nitrogen and molecular oxygen in the high-latitude upper atmosphere |
| VerfasserIn |
A. S. Kirillov |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 26, no. 5 ; Nr. 26, no. 5 (2008-05-28), S.1159-1169 |
| Datensatznummer |
250016090
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| Publikation (Nr.) |
 copernicus.org/angeo-26-1159-2008.pdf |
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| Zusammenfassung |
| Relative vibrational populations of triplet B3Πg,
W3Δ,sub>u, B'3Σu− states of N2 and
the b1Σg+ state of O2 are calculated for
different altitudes of the high-latitude upper atmosphere during auroral
electron precipitation. It is shown that collisional processes cause a
wavelength shift in the distribution of relative intensities for 1PG Δv=3
sequence of N2. The calculation of relative populations for
vibrational levels v=1–5 of the b1Σg+ state in
the auroral ionosphere has not given an agreement with experimental results.
Preliminary estimation of the contribution of the reaction O2++NO to
the production of O2(b1Σg+) on the basis
of a quantum-chemical approximation does not allow for an explanation of the
observable vibrational population of the b1Σg+ state
in the aurora. |
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