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Low-Energy Molecular Collision Processes in Space

Published online by Cambridge University Press:  04 August 2017

Kazuo Takayanagi
Kazuo Takayanagi*
Affiliation:
Institute of Space and Astronautical Science, Komaba 4-6-1, Meguro-ku Tokyo 153 Japan

Abstract

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Among the low-energy nonreactive molecular collisions, the rotational and vibrational transitions are the most important inelastic processes. the collision partner is an electron, an ion, or a neutral particle. Depending on the process and the collision system concerned, the magnitude and the energy dependence of the relevant cross sections are widely different. the present status of our knowledge is briefly summarized and some sample cross section data for H2 and CO are shown. Useful relations among the rotational cross sections are indicated. the importance of the long-range intermolecular forces in determining some chemical reaction rates is also pointed out.

Type
Basic Studies
Information
Symposium - International Astronomical Union , Volume 120: Astrochemistry , 1987 , pp. 31 - 41
Copyright
Copyright © Reidel 1987 

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