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McCall, Benjamin J. Tom, Brian Alan 2015-09-25T22:14:03Z 2015-09-25T22:14:03Z 10000-01-01 2009 2009 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. Made available in DSpace on 2015-09-25T22:14:03Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3395518.pdf: 7446421 bytes, checksum: c0e9be08a5d7a99c9b511b107a675a7d (MD5) Previous issue date: 2009 Embargo set by: Seth Robbins for item 85629 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 159 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2009. http://hdl.handle.net/2142/84348 (MiAaPQ)AAI3395518 eng Chemistry, Physical Nuclear Spin Dependence in Reactions of Hydrogen (3+) Ion in the Laboratory and the Interstellar Medium text Chemical Physics Chemical Physics University of Illinois at Urbana-Champaign Dissertation Ph.D.