New York State Section of
the American Physical Society
Fall 2002 Symposium
Astrochemistry
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Outline
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The Interstellar Medium
Carbon in Space
Atoms and Molecules in
Space
Dust Grains in the
Interstellar Medium
Laboratory Astrochemistryl.
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The Molecular Hydrogen
Problem
H2 Formation
Route
Part II: Application of
surface science techniques to astrophysical problems
Our Research Program
Experimental Challenges
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Measurement Methods
Basic processes of atom
-surface interaction applied to astrochemsitry
1.
Prompt reaction” / Eley-Rideal reaction
H adsorption and
measurement of H2 due to the
fast reaction process
Basic processes of atom
-surface interaction applied to astrochemsitry
1. Indirect mechanism(Langmuir-Hinshelwood)
Temperature Programmed
Desorption
Hydrogen recombination
reaction
Hydrogen recombination
reaction
Influence of ice
morphology on Hsurface+DsurfaceàHD reaction
Molecular hydrogen
formation on amorphous water ice
Experiment-ISM
connections
Current Research:
Study of the energetics of H2 formation
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