A lattice QED computation gives the five-loop no-lepton-loop g-2 coefficient as 7.0 ± 0.9, consistent with the diagrammatic value of 6.828 ± 0.060.
Fermionic Loops in Numerical Stochastic Perturbation Theory
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We discuss the inclusion of fermionic loops contributions in Numerical Stochastic Perturbation Theory for Lattice Gauge Theories. We show how the algorithm implementation is in principle straightforward and report on the status of the project.
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QED 5-loop on the lattice
A lattice QED computation gives the five-loop no-lepton-loop g-2 coefficient as 7.0 ± 0.9, consistent with the diagrammatic value of 6.828 ± 0.060.