Abstract
view Abstract Citations (37) References (31) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS On the a 1II-X1sigma+ Band System in CH+ and CD+: Theoretical Spectroscopic Constants and Lifetimes Elander, Nils ; Oddershede, Jens ; Beebe, Nelson H. F. Abstract Polarization propagator calculation of spectroscopic constants and radiative lifetimes for the A `fl-X ` + band system are presented. The spectroscopic constants agree well with experimental and other theoretical values. We have also performed an iterative Rydberg-Klein-Rees (RKR) calculation of Be, We, and WeXe for the experimental X ` + state. The calculated radiative lifetime for the A `H state (v' = 0) is 660 ns and 598 ns, with theoretical and experimental potential energy curves, respectively. This difference (about 60 ns) indicates the inaccuracy in the present calculation. Experimentally the most recent estimate of the A 1H(v = 0) state is 630 + 50 ns and theoretically the Yoshimine et al. transition moment gives T(A `H, v' = 0) = 722ns. The radiative lifetimes calculated for CD + are between 1.3% and 3.9% larger than the corresponding CII + lifetimes. Subject headings: interstellar: molecules - laboratory spectra - molecular processes - transition probabilities Publication: The Astrophysical Journal Pub Date: August 1977 DOI: 10.1086/155457 Bibcode: 1977ApJ...216..165E full text sources ADS |
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