Association reactions of Na(+) and some implications for interstellar chemistry

Details Association reactions of Na(+) and some implications for interstellar chemistry Association reactions of Na(+) and some implications for interstellar chemistry

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...272..365s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 272, Sept. 1, 1983, p. 365-368. Research supported by the Science and Engin

Astronomy and Astrophysics

Astrophysics

31

Association Reactions, Interstellar Chemistry, Interstellar Gas, Metal Ions, Sodium, Abundance, Molecular Gases, Neutral Gases, Reaction Kinetics, Sodium Hydroxides

Scientific paper

Three-body association reactions of Na+ with a variety of neutral gases in the presence of He as third body have been studied in a Selected Ion Flow Tube at 80K. The measured rate coefficients have been utilized to estimate radiative association rate coefficients at 20K. It is shown that Na+-neutral radiative association reactions play a role in the depletion of Na+ in dense interstellar clouds and can produce a sufficient amount of NaOH to explain its observed tentative abundance in Sgr B2.

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