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Gas-Phase Reactions in the ISM: Rate Coefficients, Temperature Dependences, and Reaction Products

Published online by Cambridge University Press:  21 December 2011

Ian W. M. Smith
Ian W. M. Smith*
Affiliation:
Department of Chemistry, University of Cambridge, Lensfeld Road, Cambridge CB2 1EW, UK
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Abstract

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Information about the rate coefficients and products of processes that occur in the interstellar medium are required as input to computer models that seek to reproduce the abundances of the rich variety of molecules that have been observed in different regions of the interstellar medium. In this brief review, I seek to identify the different kinds of gas-phase processes for which information is required and to consider the experimental, theoretical, and semi-empirical methods which are employed to measure or predict rate coefficients, k(T), and how they depend on temperature (T) – and also how the products of reactions can, in favourable cases, be observed.

Information

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S280: The Molecular Universe , June 2011 , pp. 361 - 371
Copyright
Copyright © International Astronomical Union 2011

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