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The dissociative recombination of H-3(+) - a saga coming to an end?
Stockholm University, Faculty of Science, Department of Physics.
2008 (English)In: Chemical Physics Letters, ISSN 0009-2614, E-ISSN 1873-4448, Vol. 462, no 06-apr, 145-151 p.Article in journal (Refereed) Published
Abstract [en]

Major progress has been made in the understanding of how H-3(+) recombines with thermal and sub-thermal electrons, a process of great importance to the chemistry of diffuse interstellar clouds. Two independent ion storage ring experiments with rovibrationally cold H-3(+) ions are in excellent agreement, and quantum mechanical calculations agree with the storage ring results quantitatively for the thermal rate constant, if not in all details concerning the cross section. The recombination mechanism is understood. A direct consequence of this progress is that the cosmic-ray ionization rate in diffuse clouds must be shifted upwards to a value larger than 10 (16)s (1). 

Place, publisher, year, edition, pages
2008. Vol. 462, no 06-apr, 145-151 p.
Keyword [en]
cosmic-ray ionization, diffuse interstellar clouds, storage-ring, zeta-persei, large molecules, h-3+, ions, electrons, d-3(+), states
National Category
Physical Sciences
URN: urn:nbn:se:su:diva-58263DOI: 10.1016/j.cplett.2008.06.069ISI: 000258830900001OAI: diva2:420221
authorCount :3Available from: 2011-05-31 Created: 2011-05-30 Last updated: 2011-05-31Bibliographically approved

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