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

被引：2

作者：

Smith, Ian W. M. ^{[1
]}

机构：

[1] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England

来源：

MOLECULAR UNIVERSE | 2011年 / 280期

关键词：

DENSE INTERSTELLAR CLOUDS; ION-NEUTRAL COLLISIONS; VERY-LOW TEMPERATURES; KINETICS; CHEMISTRY; SUPPLEMENT; MOLECULES; ATOMS;

D O I：

10.1017/S1743921311025117

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页码：361 / 371

页数：11

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