Abstract

This review is devoted to the main advances in the investigation of ion/molecule reaction dynamics since the last International Mass Spectrometry Conference. Developments of the experimental techniques to prepare the reactants in selected internal states and well-defined collision energies and to analyse the internal state, the kinetic energy and angular distribution of the products are described. Examples of kinetic and internal energy effects on reaction dynamics are presented for simple systems such as (Ar, N 2) + and (Ar, O 2) + as well as for polyatomics: Ar + + H 2O, He + + N 2O, MH + + MH and (COS, C 2H 2) +, for which state-selected or state-to-state studies have been performed. Complementarity of the various techniques is shown. Recent advances in very low temperature studies are also presented. Theoretical interpretations of the experimental results are described but no detail on the theoretical investigations is given. The need for further developments in the experimental and theoretical methods is underlined and some of the possible trends are mentioned.

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