Abstract
The wavelength dependence of the quantum yield for O( 1D) production from ozone photolysis has been determined between 297.5 nm and 325 nm in order to resolve serious discrepancies among previous studies. The result of this investigation are compared to earlier work by calculating atmospheric production rate constants for O( 1D). It is found that for the purpose of calculating this rate constant, there is now good agreement among three studies at 298 K. Furthermore, it appears that previous data on the temperature dependence of the O( 1D) quantum yield fall-off is adequate for determining the vertical profile of the O( 1D) production rate constant. Several experimental difficulties associated with using NO* 2 chemiluminescence to monitor O( 1D) have been identified.
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