New determination of the electron's mass -: art. no. 011603

被引:164
作者
Beier, T [1 ]
Häffner, H
Hermanspahn, N
Karshenboim, SG
Kluge, HJ
Quint, W
Stahl, S
Verdú, J
Werth, G
机构
[1] Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany
[2] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany
[3] DI Mendeleev Inst Metrol, St Petersburg 198005, Russia
[4] Max Planck Inst Quantum Opt, D-85748 Garching, Germany
关键词
D O I
10.1103/PhysRevLett.88.011603
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A new independent value for the electron's mass in units of the atomic mass unit is presented, m(e) = 0.0005485799092(4) u. The value is obtained from our recent measurement of the g factor of the electron in C-12(5+) in combination with the most recent quantum electrodynamical (QED) predictions. In the QED corrections, terms of order alpha(2) were included by a perturbation expansion in Zalpha. Our total precision is three times better than that of the accepted value for the electron's mass.
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页数:4
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