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Studies of Astrophysically Important Molecular Ions with Ultrasensitive Infrared Laser Techniques

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Book cover Molecular Astrophysics

Part of the book series: NATO ASI Series ((ASIC,volume 157))

Abstract

Over the last decade, modeling of the chemistry occurring in interstellar gas clouds has evolved dramatically. The early qualitative versions of Solomon and Klemperer1 and Herbst and Klemperer,2 which first predicted the preeminence of ion-molecular reactions in these cold, diffuse environments, are now supplanted by the modern sophisticated computer models of Mitchell, Ginzberg and Kuntz,3Prasad and Huntress4, Watson,5and others. Quantitative predictions of molecular abundances are now given for an impressive number of species, including some two dozen of the most important molecular ions. In Table 1, the molecular ions expected to be most abundant in cold (50°K), dense (n≈106cm-3) clouds are listed, along with abundances (relative to H2) predicted by Mitchell, Ginzberg, and Kuntz,3appropriate for a cloud density of 106cm-3.

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Author information

Authors and Affiliations

  1. Department of Chemistry, UC Berkeley, Berkeley, CA, 94720, USA

    Richard J. Saykally

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  1. Richard J. Saykally
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Editors and Affiliations

  1. Institut für Astrophysik, Max-Planck-lnstitut für Physik und Astrophysik, Garching-bei-München, Germany

    G. H. F. Diercksen

  2. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico, USA

    W. F. Huebner

  3. Department of Chemistry, Indian University, Bloomington, Indiana, USA

    P. W. Langhoff

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© 1985 D. Reidel Publishing Company

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Saykally, R.J. (1985). Studies of Astrophysically Important Molecular Ions with Ultrasensitive Infrared Laser Techniques. In: Diercksen, G.H.F., Huebner, W.F., Langhoff, P.W. (eds) Molecular Astrophysics. NATO ASI Series, vol 157. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5432-8_15

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  • DOI: https://doi.org/10.1007/978-94-009-5432-8_15

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-8898-5

  • Online ISBN: 978-94-009-5432-8

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