AAS 206th Meeting, 29 May - 2 June 2005
Session 32 Highlights in Laboratory Astrophysics
Poster, Wednesday, 10:00am-7:00pm, Thursday, 9:20am-2:00pm, June 1, 2005, Ballroom A

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[32.12] Formation of Molecular Hydrogen on Dust Grains

G. Vidali, J.E. Roser (Syracuse University - USA), E. Congiu (U. Cagliari and DMFCI U.Catania - Italy), L. Li (Syracuse University - USA), G. Manico', V. Pirronello (DMFCI U. Catania - Italy)

We present results of hydrogen recombination reactions on dust grain analogues: measurements of the formation efficiency, kinetics and energetics of diffusion and reaction, and translational energy of ejected molecules. An analysis of the mechanisms of formation and of the effects of the morphology of surfaces of the dust analogues on this reaction is also given. We illustrate the use of laboratory data in modeling ISM chemistry.

We are grateful to NASA (through grant NAG5-11438) and the Italian Ministry for University and Scientific Research (through grant 21043088 CNR) for financial support.

If you would like more information about this abstract, please follow the link to http://physics.syr.edu/research/astro. This link was provided by the author. When you follow it, you will leave the Web site for this meeting; to return, you should use the Back comand on your browser.

The author(s) of this abstract have provided an email address for comments about the abstract: gvidali@syr.edu

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Bulletin of the American Astronomical Society, 37 #2
© 2005. The American Astronomical Soceity.