The quenching of N/2D/ by O/3P/

Details The quenching of N/2D/ by O/3P/ The quenching of N/2D/ by O/3P/

Jan 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976jgr....81...12d&link_type=abstract

Journal of Geophysical Research, vol. 81, Jan. 1, 1976, p. 12-16.

Physics

12

Atmospheric Chemistry, Nitric Oxide, Quenching, Reaction Kinetics, Activation Energy, Afterglows, Atmospheric Models, Nitrogen, Ozone, Temperature Effects

Scientific paper

The rate coefficient for the quenching of N(2D) by O(3P) was measured by means of an afterglow source and resonance absorption detection of N(2D). Quenching by known concentrations of O atoms, generated by NO titration of a nitrogen discharge, was compared with the quenching by O2, N2O, and CO2 for which the rate coefficients are known. The derived rate constant for the quenching of N by O is (1.8 plus or minus 0.6) x 10 to the minus twelfth cu cm/molecule/sec at 315 K. This rate constant indicates that the quenching investigated is rapid enough to affect NO production rates and N(4S) - N(2D) 5200 angstrom intensities in the lower thermosphere.

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