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  Electron g-factor determinations in Penning traps

Sturm, S., Werth, G., & Blaum, K. (2013). Electron g-factor determinations in Penning traps. Annalen der Physik, 525(8-9), 620-635. doi:10.1002/andp.201300052.

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 Creators:
Sturm, Sven1, Author           
Werth, Günter2, Author
Blaum, Klaus1, Author           
Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
2Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, ou_persistent22              

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 Abstract: The magnetic moment of the electron, expressed by the g-factor in units of the Bohr magneton, is a key quantity in the theory of quantum electrodynamics (QED). Experiments using single particles confined in Penning traps have provided very precise values of the g-factor for the free electron as well as the electron bound in hydrogen-like ions. In this paper the status of these experiments is reviewed. The results allow testing calculations of higher order Feynman diagrams. Comparison of experimental and theoretical results for free and bound particles show no discrepancy within the limits of error, thus representing to date the most sensitive test of QED. Moreover, the g-factor provides a unique access to fundamental constants, as e.g. the electron mass or the fine structure constant.

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Language(s): eng - English
 Dates: 2013-06-26
 Publication Status: Published online
 Pages: 16
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/andp.201300052
 Degree: -

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Title: Annalen der Physik
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 525 (8-9) Sequence Number: - Start / End Page: 620 - 635 Identifier: ISSN: 0003-3804
CoNE: https://pure.mpg.de/cone/journals/resource/954925379961