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High-precision calculation of the 4-loop QED contribution to the slope of the Dirac form factor
, 2019 S. Laporta
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High-precision calculation of the 4-loop contribution to the electrong-2 in QED1
, 2018 S. Laporta
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Precise measurements of ionic masses for QED tests
International Journal of Mass Spectrometry, 2006The Penning trap mass spectrometer SMILETRAP is designed for precision mass measurements using the merits of highly charged ions.
T. Fritioff +5 more
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Precision measurement of relativistic and QED effects in heliumlike beryllium
Physical Review Letters, 1993We have used fast-ion-beam laser spectroscopy to measure the 1s2s 3 S-1s2p 3 P o intervals in Be III to an absolute accuracy of 1 part in 10 8 . Our results are (in cm -1 ): σ(1s2s 3 S 1 -1s2p 3 P 0 o )= 26 864.6120(4), σ(1s2s 3 S 1 -1s2p 3 P 1 o )=26 853.0534(3), σ(1s2s 3 S 1 -1s2p 3 P 2 o ) =26 867.9484(3).
, Scholl +6 more
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AIP Conference Proceedings, 1984
The major precision tests of QED are reviewed. At the present time, there are no serious conflicts between theory and experiment. However, there are various possibilities for refining the tests and some of them depend on better information from high energy physics experiments.
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The major precision tests of QED are reviewed. At the present time, there are no serious conflicts between theory and experiment. However, there are various possibilities for refining the tests and some of them depend on better information from high energy physics experiments.
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Precision measurements of relativistic and QED effects in helium-like boron
Physical Review Letters, 1991We have made precision wavelength measurements on the 1s2s $^{3}$${\mathit{S}}_{1}$--1s2p $^{3}$${\mathit{P}}_{0,1,2}$\ifmmode^\circ\else\textdegree\fi{} transitions in heliumlike boron using fast-beam laser excitation. These measurements are accurate to 2 parts in ${10}^{7}$ of the transition energy and test the most recent calculations at a level of ...
, Dinneen +4 more
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