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King SA, Spieß LJ, Micke P, Wilzewski A, Leopold T, Benkler E, Lange R, Huntemann N, Surzhykov A, Yerokhin VA, Crespo López-Urrutia JR, Schmidt PO. An optical atomic clock based on a highly charged ion. Nature 2022; 611:43-47. [DOI: 10.1038/s41586-022-05245-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 08/17/2022] [Indexed: 11/06/2022]
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Arapoglou I, Egl A, Höcker M, Sailer T, Tu B, Weigel A, Wolf R, Cakir H, Yerokhin VA, Oreshkina NS, Agababaev VA, Volotka AV, Zinenko DV, Glazov DA, Harman Z, Keitel CH, Sturm S, Blaum K. g Factor of Boronlike Argon ^{40}Ar^{13+}. PHYSICAL REVIEW LETTERS 2019; 122:253001. [PMID: 31347869 DOI: 10.1103/physrevlett.122.253001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 04/26/2019] [Indexed: 06/10/2023]
Abstract
We have measured the ground-state g factor of boronlike argon ^{40}Ar^{13+} with a fractional uncertainty of 1.4×10^{-9} with a single ion in the newly developed Alphatrap double Penning-trap setup. The value of g=0.663 648 455 32(93) obtained here is in agreement with our theoretical prediction of 0.663 648 12(58). The latter is obtained accounting for quantum electrodynamics, electron correlation, and nuclear effects within the state-of-the-art theoretical methods. Our experimental result distinguishes between existing predictions that are in disagreement, and lays the foundations for an independent determination of the fine-structure constant.
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Affiliation(s)
- I Arapoglou
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - A Egl
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - M Höcker
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - T Sailer
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - B Tu
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - A Weigel
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - R Wolf
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - H Cakir
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - V A Yerokhin
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
- Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia
| | - N S Oreshkina
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - V A Agababaev
- St. Petersburg State University, 199034 St. Petersburg, Russia
- St. Petersburg Electrotechnical University, 197376 St. Petersburg, Russia
| | - A V Volotka
- St. Petersburg State University, 199034 St. Petersburg, Russia
- Helmholtz-Institut Jena, 07743 Jena, Germany
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
| | - D V Zinenko
- St. Petersburg State University, 199034 St. Petersburg, Russia
| | - D A Glazov
- St. Petersburg State University, 199034 St. Petersburg, Russia
| | - Z Harman
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - C H Keitel
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - S Sturm
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
| | - K Blaum
- Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
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