Forbidden optical transition in Ti-like Xe, Ba, and Ir

H. Bekker, A. Windberger, O. O. Versolato, M. Binder, R. Klawitter, J. R.Crespo López-Urrutia

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Abstract

We present measurements of the (3d4)5D2-5D3 transitions in the Ti-like ions Xe32+, Ba34+, and Ir55+ produced and trapped in the Heidelberg electron beam ion trap. The obtained wavelengths have a precision at the few ppm-level and are thereby the most precise measurements of these transitions up to date. For Z=60-75 semi-empirical calculations have shown excellent agreement, however our measurements combined with data from other works shows that outside this range predictions quickly deviate. The value obtained for Ir55+ 357.434(2) nm confirms the linear mismatch to ab initio calculations for Z > 70, as hypothesized in Utter et al., Phys. Rev. A 67, 012508 (2003).

Original languageEnglish
Title of host publicationProceedings of the XII International Symposium on Electron Beam Ion Sources and Traps, EBIST 2014
EditorsThomas M. Baumann, Stefan Schwarz, Alain Lapierre
PublisherAmerican Institute of Physics Inc.
Pages109-111
Number of pages3
ISBN (Electronic)9780735412798
DOIs
Publication statusPublished - 1 Jan 2015
Externally publishedYes
Event12th International Symposium on Electron Beam Ion Sources and Traps, EBIST 2014 - East Lansing, United States
Duration: 18 May 201421 May 2014

Publication series

NameAIP Conference Proceedings
Volume1640
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference12th International Symposium on Electron Beam Ion Sources and Traps, EBIST 2014
CountryUnited States
CityEast Lansing
Period18/05/1421/05/14

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