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  g Factor of Lithiumlike Silicon: New Challenge to Bound-State QED

Glazov, D. A., Köhler-Langes, F., Volotka, A. V., Blaum, K., Heiße, F., Plunien, G., et al. (2019). g Factor of Lithiumlike Silicon: New Challenge to Bound-State QED. Physical Review Letters, 123(17): 173001. doi:10.1103/PhysRevLett.123.173001.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-EBC0-A Version Permalink: http://hdl.handle.net/21.11116/0000-0004-EBC1-9
Genre: Journal Article

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https://doi.org/10.1103/PhysRevLett.123.173001 (Publisher version)
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 Creators:
Glazov, D. A., Author
Köhler-Langes, F.1, Author              
Volotka, A. V., Author
Blaum, K.1, Author              
Heiße, F.1, Author              
Plunien, G., Author
Quint, W., Author
Rau, S.1, Author              
Shabaev, V. M., Author
Sturm, S.1, Author              
Werth, G., Author
Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              

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Free keywords: Physics, Atomic Physics, physics.atom-ph
 MPINP: Präzisionsexperimente - Abteilung Blaum
 Abstract: The recently established agreement between experiment and theory for the $g$ factors of lithiumlike silicon and calcium ions manifests the most stringent test of the many-electron bound-state quantum electrodynamics (QED) effects in the presence of a magnetic field. In this Letter, we present a significant simultaneous improvement of both theoretical $g_\text{th} = 2.000\,889\,894\,4\,(34)$ and experimental $g_\text{exp} = 2.000\,889\,888\,45\,(14)$ values of the $g$ factor of lithiumlike silicon $^{28}$Si$^{11+}$. The theoretical precision now is limited by the many-electron two-loop contributions of the bound-state QED. The experimental value is accurate enough to test these contributions on a few percent level.

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 Dates: 2019-10-25
 Publication Status: Published online
 Pages: 5 pages, 1 figure
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: arXiv: 1903.11609
URI: http://arxiv.org/abs/1903.11609
DOI: 10.1103/PhysRevLett.123.173001
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 123 (17) Sequence Number: 173001 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1