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  Precision Test of Many-Body QED in the Be+ 2p Fine Structure Doublet Using Short-Lived Isotopes

Nörtershäuser, W., Geppert, C., Krieger, A., Pachucki, K., Puchalski, M., Blaum, K., et al. (2015). Precision Test of Many-Body QED in the Be+ 2p Fine Structure Doublet Using Short-Lived Isotopes. Physical Review Letters, 115(3): 033002. doi:10.1103/PhysRevLett.115.033002.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-D0B1-4 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-D0B2-2
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http://link.aps.org/doi/10.1103/PhysRevLett.115.033002 (Publisher version)
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 Creators:
Nörtershäuser, Wilfried1, Author
Geppert, Christopher1, 2, Author
Krieger, Andreas1, 2, Author
Pachucki, Krzysztof3, Author
Puchalski, Mariusz3, 4, Author
Blaum, Klaus5, Author           
Bissell, Mark L.6, Author
Frömmgen, Nadja2, Author
Hammen, Michael2, Author
Kowalska, Magdalena7, Author
Krämer, Jörg1, Author
Kreim, Kim Dieter5, Author           
Neugart, Rainer2, Author
Neyens, Gerda6, Author
Sánchez, Rodolfo8, Author
Yordanov, Deyan T.7, Author
Affiliations:
1Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany, ou_persistent22              
2Institut für Kernchemie, Johannes Gutenberg-Universität Mainz, D-55128 Mainz, Germany, ou_persistent22              
3Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warsaw, Poland, ou_persistent22              
4Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznań, Poland, ou_persistent22              
5Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
6Instituut voor Kern- en Stralingsfysica, KU Leuven, B-3001 Leuven, Belgium, ou_persistent22              
7CERN, Physics Department, CH-1211 Geneva 23, Switzerland, ou_persistent22              
8GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany, ou_persistent22              

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 MPINP: Präzisionsexperimente - Abteilung Blaum
 Abstract: Absolute transition frequencies of the 2s2 S1/2→2p2 P1/2,3/2 transitions in Be+ were measured for the isotopes 7,9–12Be. The fine structure splitting of the 2p state and its isotope dependence are extracted and compared to results of ab initio calculations using explicitly correlated basis functions, including relativistic and quantum electrodynamics effects at the order of mα6 and mα7 ln α. Accuracy has been improved in both the theory and experiment by 2 orders of magnitude, and good agreement is observed. This represents one of the most accurate tests of quantum electrodynamics for many-electron systems, being insensitive to nuclear uncertainties.

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Language(s): eng - English
 Dates: 2015-07-13
 Publication Status: Published online
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.115.033002
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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: 115 (3) Sequence Number: 033002 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1