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Nitric oxide production in collisions of hot O(3P) atoms with N2 -: art. no. 1065
被引:8
作者:
Balakrishnan, N
Dalgarno, A
机构:
[1] Univ Nevada, Dept Chem, Las Vegas, NV 89154 USA
[2] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
关键词:
hot oxygen;
nitric oxide;
thermosphere;
shuttle glow;
nonthermal distributions;
vibrational excitation;
D O I:
10.1029/2002JA009566
中图分类号:
P1 [天文学];
学科分类号:
0704 ;
摘要:
[1] Energetic oxygen atoms play a central role in the heat and energy balance of the terrestrial thermosphere. The reaction between hot O(P-3) atoms and N-2 has been suggested as a source of shuttle glow in low-Earth orbits due to the formation of nitric oxide. We report cross sections and rate coefficients for the production of nitric oxide in the reaction between hot O(P-3) atoms and N-2 and show that vibrational excitation of N-2 significantly enhances the reaction rate coefficients. Results are found to be in agreement with shock-tube experiments as well as with crossed molecular beam data.
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