2017
DOI: 10.1103/physreva.96.012502
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Extraction of the electron mass from g -factor measurements on light hydrogenlike ions

Abstract: The determination of the electron mass from Penning-trap measurements with 12 C 5+ ions and from theoretical results for the bound-electron g factor is described in detail. Some recently calculated contributions slightly shift the extracted mass value. Prospects of a further improvement of the electron mass are discussed both from the experimental and from the theoretical point of view. Measurements with 4 He + ions will enable a consistency check of the electron mass value, and in future an improvement of the… Show more

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Cited by 56 publications
(65 citation statements)
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References 53 publications
(98 reference statements)
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“…Effects of O α π 2 α 5 Z are becoming important for the determination of m e . Since g enters linearly in the master formula for m e [15,16], the relative error in g enters directly into the uncertainty of m e . Numerically, α π 2 α 5 Z /(g = 2) is 4 · 10 −13 for carbon and 3 · 10 −11 for silicon.…”
mentioning
confidence: 99%
“…Effects of O α π 2 α 5 Z are becoming important for the determination of m e . Since g enters linearly in the master formula for m e [15,16], the relative error in g enters directly into the uncertainty of m e . Numerically, α π 2 α 5 Z /(g = 2) is 4 · 10 −13 for carbon and 3 · 10 −11 for silicon.…”
mentioning
confidence: 99%
“…These results could be further improved by combining theoretical and experimental values for two different H-like ions (Sturm et al, 2014). This idea of combining precise g-factor measurements and QED calculations (Czarnecki and Szafron, 2016;Sturm et al, 2013a;Yerokhin and Harman, 2013), has recently yielded a 13-fold improvement on the electron mass determination (Köhler et al, 2015;Sturm et al, 2014;Zatorski et al, 2017).…”
Section: Microwave Studies Of the Bound-electron G Factormentioning
confidence: 99%
“…As a result, in Refs. [41,44] the precision of the atomic mass of the electron was further improved by a factor of 13.…”
Section: Bound-electron G Factormentioning
confidence: 99%