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New determination of the core-level life-time broadenings in mercury
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Molecular and condensed matter physics. (UBjL)
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Molecular and condensed matter physics. (UBjL)ORCID iD: 0000-0002-2978-1870
2015 (English)In: Electronic Journal of Information Systems Evaluation, ISSN 1566-6379, E-ISSN 1566-6379, Vol. 202, 33-37 p.Article in journal (Refereed) Published
Abstract [en]

Previously recorded and published photoelectron spectroscopic data for mercury in the gas phase has been reanalyzed. The life-time broadenings have been determined for a large number of core levels. It is then seen that a recent detailed derivation of core-level line-widths based on X-ray emission spectroscopy give life-time widths that are generally too large. The 4d(3/2)4d(5/2)nd Coster-Kronig (CM) transition is also discussed. We find that the additional broadening Of the 4d(3/2) level for mercury metal is indeed due to a CM decay, in contrast to recent claims. In atomic mercury, however, the CM process in energetically forbidden. In spite of this we find that the 4d(3/2) level is broadened also in this case. We propose that this is due to a mixing between the 4d(3/2) hole state and discrete 4d(5/2)nd states.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 202, 33-37 p.
Keyword [en]
Photoelectron spectroscopy, Core level, Life-time, Mercury
National Category
Physical Sciences
Research subject
Physics with spec. in Atomic, Molecular and Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-260639DOI: 10.1016/j.elspec.2015.01.002ISI: 000357904600007OAI: oai:DiVA.org:uu-260639DiVA: diva2:847805
Projects
UBjL
Funder
Swedish Research CouncilEU, European Research Council, 321319Carl Tryggers foundation
Available from: 2015-08-21 Created: 2015-08-21 Last updated: 2017-12-04Bibliographically approved

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Mårtensson, NilsSvensson, Svante

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