Gas-Phase Positive Ion Insights during Laboratory EUV Irradiation of Titan's Relevant Gas Mixtures

Jérémy Bourgalais 1 Nathalie Carrasco 2, 1 Pascal Pernot 3
1 IMPEC - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
2 IUF - Institut Universitaire de France
3 LCPO - Laboratoire de Chimie Physique D'Orsay
Abstract : In the atmosphere of Saturn's moon Titan, the chemical growth is believed to occur through an efficient chemical coupling between radicals and reac-tive charged species. However, the role of positively charged particles in haze formation chemistry is far from being understood. Here, we present a mass spec-trometry investigation with a relatively low pressure interface to chemically characterize the positive ions formed in the pre-haze formation phase starting from the EUV photolysis of N2 /CH4 gas mixtures.
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Jérémy Bourgalais, Nathalie Carrasco, Pascal Pernot. Gas-Phase Positive Ion Insights during Laboratory EUV Irradiation of Titan's Relevant Gas Mixtures. EPSC-DPS Joint Meeting 2019, Sep 2019, Geneva, Switzerland. pp.EPSC-DPS2019-1337-1. ⟨insu-02196260⟩

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