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Far Wing Asymmetry of Rotational Raman Lines in Hydrogen
Department of Chemistry, University of Gothenburg.ORCID iD: 0000-0002-7629-0169
2010 (English)In: International Journal of Spectroscopy, ISSN 1687-9449, E-ISSN 1687-9457, Vol. 2010, article id 705896Article in journal (Refereed) Published
Abstract [en]

Depolarized Raman spectra of compressed hydrogen gas have been computed rigorously previously for 36 K and 50 K (Gustafsson et al. (2009)). The far wings of the rotational lines show asymmetry that goes beyond that expected from the theory for intracollisional interference and Fano line shapes. Here we analyze the (0) line for pure hydrogen at 36 K in detail. The added asymmetry stems partly from a shape resonance which adds significant intensity to the higher frequency side of the line profile. The influence of the threshold energy for the rotational transition accounts for the remainder.

Place, publisher, year, edition, pages
2010. Vol. 2010, article id 705896
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Other Physics Topics
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Tillämpad fysik
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URN: urn:nbn:se:ltu:diva-11357DOI: 10.1155/2010/705896Local ID: a4e4bbe1-bd59-47b3-bd17-dafa897d44a6OAI: oai:DiVA.org:ltu-11357DiVA, id: diva2:984307
Note
Upprättat; 2010; 20141019 (maggus)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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