Nuclear Spin Dependence in Reactions of Hydrogen (3+) Ion in the Laboratory and the Interstellar Medium
Tom, Brian Alan
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https://hdl.handle.net/2142/84348
Description
Title
Nuclear Spin Dependence in Reactions of Hydrogen (3+) Ion in the Laboratory and the Interstellar Medium
Author(s)
Tom, Brian Alan
Issue Date
2009
Doctoral Committee Chair(s)
McCall, Benjamin J.
Department of Study
Chemical Physics
Discipline
Chemical Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Chemistry, Physical
Language
eng
Abstract
A comparison of the experimental results with observational data provides strong evidence that this reaction is the driving mechanism for the steady state enrichment of para- H+3 in diffuse clouds, and predictions from the models imply that it is also responsible for the enrichment of para- H+3 and para-H2 in dense clouds. The results of this work have implications for the use of the H+3 spin modifications as astrophysical probes, for understanding the deuterium chemistry of the interstellar medium, and for the fundamental chemical physics of these very simple molecules.
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