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Updated: Jun 11, 2026

T-wave Ion Mobility-mass Spectrometry: Basic Experimental Procedures for Protein Complex Analysis
Published on: July 31, 2010
Integral and differential cross sections of reactions relevant to astrochemistry
Michel Costes1, Christian Naulin
1Université de Bordeaux, Institut des Sciences Moléculaires, 351 cours de la Libération, 33405 Talence Cedex, France. m.costes@ism.u-bordeaux1.fr
Abstract:
In recent years, kinetic experiments have shown that, contrary to the Arrhenius concept, many neutral-neutral reactions remain fast at very low temperature. Such behaviour ranks them as important processes to be considered in the chemical networks that model the synthesis and the fate of molecules observed in the interstellar medium. This Perspective Article aims to review complementary crossed beam experiments of relevant neutral-neutral reactions performed in the low collision energy regime. A few selected reactions are considered, with particular emphasis on carbon-atom reactions with unsaturated hydrocarbons. It is shown, with the example of the C + C(2)H(2) system, that the conjunction of kinetic and dynamic experiments can provide a consistent set of detailed rate coefficients for a multichannel reaction, relevant to astrochemical models.
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