Resonant electron scattering by metastable nitrogen |
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| Authors: | Iztok ?ade? |
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| Institution: | Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO 80309, U.S.A. |
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| Abstract: | The resonant electron impact quenching of metastable molecules might be important for understanding the phenomena in the upper atmosphere. In order to obtain information about the relative importance of this scattering event the resonant cross sections for electron scattering by metastable nitrogen in the state were calculated using the “boomerang” model and quenching rates for this state were evaluated for the altitudes of 130,170 and 210km. The obtained quenching rates are small (?5 × 10?3 s?1), even with respect to the radiative transition rate showing that under the considered conditions this process is unimportant for population of nitrogen state in the Earth's thermosphere. |
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