Physics
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1594m&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1594
Physics
Scientific paper
Negative ions can be produced by electron and photon stimulated processes and can be used to probe dissociative electron attachment resonances, transient negative ions, dipolar dissociation and desorption channels from organic adsorbants. Ices of increasingly higher N/C ratios have been used as aerosol surrogates to provide fundamental information regarding prebiotic chemistry and large negative ion formation. Laboratory experiments have been performed to determine cross-sections, kinetic reaction rates, and product distributions of nonthermal irradiation chemistry on N-rich organic ices and tholin aerosols, which can be incorporated into atmospheric models of Titan and possibly the interstellar medium. We seek to determine how nonthermal irradiation of N-rich organic ices contributes to the formation of large negative ions and subsequently prebiotic molecules.
Abbott H.
Grieves G.
McLain J.
Orlando T.
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