Abstract
Recent work on radiative processes and collisional excitation in molecular Hydrogen and its deuterated isotopic substitute and in molecular Carbon is reviewed. Particular attention is drawn to non-adiabatic coupling effects on the intensities of Lyman and Werner band systems of the vacuum ultraviolet spectrum of H2 and to the role of nuclear spin on ortho-para transitions in H2 due to H+ collisions. The inter-relation between those processes and state to state chemistry is stressed out. We discuss the implications of these new data in a recent comprehensive model of diffuse interstellar clouds (Viala et al., 1987).
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Roueff, E., Abgrall, H., le Bourlot, J., Viala, Y. (1988). Radiative Pumping and Collisional Excitation of Molecules in Diffuse Interstellar Clouds. In: Millar, T.J., Williams, D.A. (eds) Rate Coefficients in Astrochemistry. Astrophysics and Space Science Library, vol 146. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3007-0_5
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DOI: https://doi.org/10.1007/978-94-009-3007-0_5
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