Extraction of the electron mass from g-factor measurements on light hydrogenlike ions

Extraction of the electron mass from g-factor measurements on light hydrogenlike ions The determination of the electron mass from Penning-trap measurements with C5+12 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 points of view. Measurements with He+4 ions will enable a consistency check of the electron-mass value, and in the future an improvement of the He4 nuclear mass and a determination of the fine-structure constant. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review A American Physical Society (APS)

Extraction of the electron mass from g-factor measurements on light hydrogenlike ions

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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 C5+12 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 points of view. Measurements with He+4 ions will enable a consistency check of the electron-mass value, and in the future an improvement of the He4 nuclear mass and a determination of the fine-structure constant.
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Publisher
The American Physical Society
Copyright
Copyright © ©2017 American Physical Society
ISSN
1050-2947
eISSN
1094-1622
D.O.I.
10.1103/PhysRevA.96.012502
Publisher site
See Article on Publisher Site

Abstract

The determination of the electron mass from Penning-trap measurements with C5+12 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 points of view. Measurements with He+4 ions will enable a consistency check of the electron-mass value, and in the future an improvement of the He4 nuclear mass and a determination of the fine-structure constant.

Journal

Physical Review AAmerican Physical Society (APS)

Published: Jul 5, 2017

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