# TRANSITION MOMENTS FOR THE $X^{3}\Sigma^{-}_{g}$ - $B^{3}\Sigma^{-}_{u}$ AND $X^{3}\Sigma^{-}_{g}$ - $^{3}\Pi_{u}$ TRANSITIONS IN $O_{2}$

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 Title: TRANSITION MOMENTS FOR THE $X^{3}\Sigma^{-}_{g}$ - $B^{3}\Sigma^{-}_{u}$ AND $X^{3}\Sigma^{-}_{g}$ - $^{3}\Pi_{u}$ TRANSITIONS IN $O_{2}$ Creators: Julienne, P. S.; Neumann, D.; Krauss, M. Issue Date: 1975 Publisher: Ohio State University Abstract: Multiconfiguration self-consistent-field wavefunctions are used to calculate the transition moments for the two lowest allowed transitions in $O_{2}$. The transition matrix element for the X-B transition calculated at $R_{e}$ of the ground state corresponds to an oscillator strength of 0.18, in good agreement with the experimental integrated oscillator strength 0.16 of the Schumann-Runge continuum. The transition matrix element to the repulsive valence $^{3}\Pi_{u}$ state calculated at $R_{e}$ of the ground state corresponds to an oscillator strength of 0.002. Although the weak $^{3}\Pi_{u}$ absorption continuum is masked by the strong Schumann-Runge continuum below 1750 {\AA}, this $^{3}\Pi_{u}$ absorption may contribute to the background continuum in the Schumann-Runge band region at low temperature. Description: This work was supported, in part, by the Air Force Office of Scientific Research."" Author Institution: Physical Chemistry Division, National Bureau of Standards URI: http://hdl.handle.net/1811/9358 Other Identifiers: 1975-RF-05