Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005iaus..231..117g&link_type=abstract
Astrochemistry: Recent Successes and Current Challenges, Proceedings of the 231st Symposium of the International Astronomical Un
Astronomy and Astrophysics
Astronomy
6
Scientific paper
The branching ratios of the different reaction pathways and the overall rate of the dissociative recombination of CD_{3}OD_{2}^{+} were measured at the CRYRING storage ring located at the Manne Siegbahn Laboratory in Stockholm, Sweden. A preliminary analysis of the data yielded that formation of methanol accounts for only 6 ± 2% of the total reaction rate. Largely, dissociative recombination of CD_{3}OD_{2}^{+} involves fragmentation of the C-O bond, the major process being the three-body break-up forming CD_{3}, OD and D (branching ratio 0.59). A non-negligible formation of interstellar methanol by the previously proposed mechanism is therefore very unlikely.
Ehlerding Anneli
Geppert Wolf Dietrich
Hamberg Mathias
Hellberg Fredrik
Kaminska Magdalena
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