THE EFFECT OF RAPID NEUTRAL-NEUTRAL REACTIONS ON CHEMICAL-MODELS OF DENSE INTERSTELLAR CLOUDS

E. Herbst, H.H. Lee, D.A. Howe, TJ Millar

Research output: Contribution to journalArticle

104 Citations (Scopus)

Abstract

Recent experiments on rapid neutral-neutral reactions involving the radical CN at low temperature and the neutral C atom at room temperature suggest that atom-neutral and radical-neutral reactions may be generally more rapid at low temperature than hitherto thought. We have included a variety of rapid neutral-neutral reactions in our gas-phase chemical models of quiescent, dense interstellar clouds. We find the calculated abundances of many molecules to be greatly changed from previous values. In particular, the peak 'early-time' abundances of organic molecules are reduced.
Original languageEnglish
Pages (from-to)335-344
Number of pages10
JournalMonthly Notices of the Royal Astronomical Society
Volume268
Publication statusPublished - 1994

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