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The excitation of O2(b1Σg+) in the nightglow |
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| Authors: | RGH Greer EJ Llewellyn BH Solheim G Witt |
| Institution: | 1. Department of Physics, The Queens University of Belfast, Belfast BT7 INN, N. Ireland;2. Institute of Space and Atmospheric Studies, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0W0, Canada;3. Department of Meteorology, University of Stockholm, Stockholm, Sweden |
| Abstract: | It is proposed that the available measurements of the O2(b1Σg+ ?X3Σg?) atmospheric bands both in the nightglow and in the laboratory indicate that the excitation mechanism is a two-step process rather than the direct three body recombination of atomic oxygen. It is shown that such a two-step mechanism can explain observations of the atmospheric bands both in altitude and intensity. |
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