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Isotope shift of the 1s2 p 3P0-1s2s 1S0 level splitting in heavy He-like ions: implications for atomic parity-nonconservation studies

Heavy He-like ions are considered to be promising candidates for atomic parity-nonconservation (PNC) studies, thanks to their relatively simple atomic structure and the significant mixing between the almost degenerate (for the atomic numbers Z~64 and Z~91) opposite-parity levels 1s2s1S0 and 1s2p3P0....

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Bibliographic Details
Main Authors: Ferro, Fabrizio (Author) , Artemyev, Anton (Author) , Stöhlker, Thomas (Author) , Surzhykov, Andrey (Author)
Format: Article (Journal)
Language:English
Published: 7 June 2010
In: Physical review. A, Atomic, molecular, and optical physics
Year: 2010, Volume: 81, Issue: 6, Pages: 1-6
ISSN:1094-1622
DOI:10.1103/PhysRevA.81.062503
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevA.81.062503
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevA.81.062503
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Author Notes:Fabrizio Ferro, Anton Artemyev, Thomas Stöhlker, and Andrey Surzhykov
Description
Summary:Heavy He-like ions are considered to be promising candidates for atomic parity-nonconservation (PNC) studies, thanks to their relatively simple atomic structure and the significant mixing between the almost degenerate (for the atomic numbers Z~64 and Z~91) opposite-parity levels 1s2s1S0 and 1s2p3P0. A number of experiments exploiting this level mixing have been proposed, and their implementation requires a precise knowledge of the 23P0-21S0 energy splitting for different nuclear charges and isotopes. In this paper we performed a theoretical analysis of the level splitting, employing the relativistic many-body perturbation theory and including QED corrections for all isotopes in the intervals 54⩽Z⩽71 and 86⩽Z⩽93. Possible candidates for future experimental PNC studies are discussed.
Item Description:Im Titel ist die Ziffer 3 bei 3P0 und die Ziffer 1 bei 1S0 jeweils hochgestellt, die Ziffer 0 überall tiefgestellt
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Physical Description:Online Resource
ISSN:1094-1622
DOI:10.1103/PhysRevA.81.062503

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