Other
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981rspta.303..523b&link_type=abstract
(Royal Society, Discussion on Molecules in Interstellar Space, London, England, May 20, 21, 1981.) Royal Society (London), Philo
Other
14
Deuterium, Interstellar Chemistry, Interstellar Gas, Astronomical Catalogs, Chemical Reactions, Hydrocyanic Acid, Time Response
Scientific paper
Possible improvements of gas-phase chemical models regarding processes in interstellar space are considered. It is pointed out that previous studies have not included deuterium in their reaction schemes. A consideration of deuterium is important in connection with the establishment of the cosmic deuterium abundance as an important indicator of the nature of the universe. Other deficiencies in current models are related to an omission of isomeric forms of molecules. Effects leading to an enrichment of deuterium are investigated, taking into account an overall reaction scheme similar to that listed by Iglesias (1977). The modifications made to his scheme involve adding some reactions which seem necessary in the light of more recent evidence, and deleting others. The present model calculations predict very substantial enrichments for all of those molecular species for which deuterated versions have actually been detected.
Brown David R.
Rice Emily
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