Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007msl..confe..69d&link_type=abstract
"Molecules in Space and Laboratory, meeting held in Paris, France, May 14-18, 2007. Editors: J.L. Lemaire, F. Combes. ISBN: 9782
Astronomy and Astrophysics
Astrophysics
Laboratory
Scientific paper
We have studied the interaction of atomic deuterium on non porous amorphous water ice (np-ASW) surfaces between 8 and 30 K, in conditions close to those encountered in interstellar clouds. We found that the D2 formation efficiency depends on the hydrogen molecules already present on the surface. The formation occurs at temperature lower than 13 K. Besides, the molecules are released in the gas phase in a ro-vibrational excited state. For the first time, we detected molecules excited up to v = 7 level, although higher excited states may be populated as well.
Amiaud L.
Dulieu Francois
Fillion Jean-Hugues
Lemaire Jean Louis
Momeni Arash
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