The photodissociation lifetimes of the OH and OD radicals in comets

Details The photodissociation lifetimes of the OH and OD radicals in comets The photodissociation lifetimes of the OH and OD radicals in comets

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icar...56..184s&link_type=abstract

Icarus (ISSN 0019-1035), vol. 56, Oct. 1983, p. 184-189. Research supported by the Nederlandse Organisatie voor Zuiver-Wetenscha

Computer Science

17

Cometary Atmospheres, Deuterium Compounds, Hydroxyl Radicals, Photodissociation, Radiation Absorption, Solar Radiation, Electron Transitions, Hydrogen Atoms, Reaction Kinetics, Comets, Radicals, Photodissociation, Absorption, Solar Radiation, Data, Calculations, Velocity, Atmosphere, Analysis

Scientific paper

The rates of photodissociation of the OH and OD molecules from absorption of solar radiation in the X2Π-A2Σ+ electronic transition are calculated to lie between 3.5 and 6.7×10-6 sec-1 for OH for heliocentric velocities between -60 and +60 km sec-1 and to be about 4.7×10-7 sec-1 for OD at 1 AU from the Sun. The corresponding lifetimes, which are upper bounds to the actual lifetimes, are generally consistent with the observational cometary data.

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