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“Four-loop QED corrections to the electron g-2”, by Dr. Stefano Laporta (INFN Bologna, Italy)
PH 3344 (TUM, Physik-Department)
James-Franck-Str. 1, Garching
The anomalous magnetic moment of the electron is one of the physical quantities measured with the highest precision. Such high precision demands a similar precision in the theoretical evaluations in order to obtain stringent tests of QED. In this talk I will show the results of the twenty-year long project of the evaluation of the mass-independent four-loop QED corrections to the electron g-2. I will show the 1100-digits results and the results of the high-precision analytical fits to the numerical values and I will describe the methods used. The consequences of this result on the QED tests and the determination of the fine structure constant will be also discussed.