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Autre Publication Scientifique Année : 2016

Theory of Gas Phase Scattering and Reactivity for Astrochemistry

Résumé

Because of the very peculiar conditions of chemistry in many astrophysical gases (low densities, mostly low temperatures, kinetics-dominated chemical evolution), great efforts have been devoted to study molecular signatures and chemical evolution. While experiments are being performed in many laboratories, it appears that the efforts directed towards theoretical works are not as strong. This report deals with the present status of chemical physics/physical chemistry theory, for the qualitative and quantitative understanding of kinetics of molecular scattering, being it reactive or inelastic. By gathering several types of expertise, from applied mathematics to physical chemistry, dialog is made possible, as a step towards new and more adapted theoretical frameworks, capable of meeting the theoretical, methodological and numerical challenges of kinetics-dominated gas phase chemistry in astrophysical environments. A state of the art panorama is presented, alongside present-day strengths and shortcomings. However, coverage is not complete, being limited in this report to actual attendance of the workshop. Some paths towards relevant progress are proposed.

Dates et versions

hal-01398140 , version 1 (16-11-2016)

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L. Wiesenfeld, Wing-Fai Thi, Paola Caselli, Alexandre Faure, Luca Bizzocchi, et al.. Theory of Gas Phase Scattering and Reactivity for Astrochemistry. 2016. ⟨hal-01398140⟩
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