The Analytical Contribution of Some Eighth-Order Graphs Containing Vacuum Polarization Insertions to the Muon (G-2) in QED
S. Laporta
Abstract
The contributions to the g-2 of the muon from some eighth-order (four-loop) graphs containing one-loop and two-loop vacuum polarization insertions have been evaluated analytically in QED perturbation theory, expanding the results in the ratio of the electron to muon mass (me / mμ). The results agree with the numerical evaluations and the asymptotic analytical results already existing in the literature.
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