Physics
Scientific paper
Dec 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jqsrt..50..579b&link_type=abstract
Journal of Quantitative Spectroscopy & Radiative Transfer (ISSN 0022-4073), vol. 50, no. 6, p. 579-583
Physics
5
Absorption Cross Sections, Ground State, Molecular Excitation, Molecular Gases, Oxygen, Photolysis, Upper Atmosphere, Vibrational States, Atmospheric Chemistry, Quantum Mechanics, Schumann-Runge Bands, Spectrum Analysis
Scientific paper
Cross sections for absorption from excited vibrational levels of the ground X(sup 3)sigma(sup - sub g) state of molecular oxygen to the repulsive 1(sup 3)pi(sub u) state are given. The potential energy curve for the 1(sup 3)pi(sub u) state of O2 is constructed to be consistent with predissociation data for the B(sup 3)sigma(sup - sub u) state and with recent ab initio calculations. In the photon wavelength range of 200-320 nm the cross sections are smoothly oscillatory and in no case larger than 1 x 10(exp -21)/sq cm. In the region of the Schumann-Runge bands the cross sections are of order 0.4 x 10(exp -21)/sq cm.
Allison A. C.
Babb James F.
Dalgarno Alexander
Jamieson Michael J.
Sun Yadong
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