Article ID Journal Published Year Pages File Type
10720635 Nuclear Physics B 2013 22 Pages PDF
Abstract
The running of the effective electromagnetic coupling is for many electroweak observables the dominant correction. It plays an important role for deriving constraints on the Standard Model in the context of electroweak precision measurements. We compute the four-loop QED corrections to the running of the effective electromagnetic coupling and perform a numerical evaluation of the different gauge invariant subsets.
Related Topics
Physical Sciences and Engineering Mathematics Mathematical Physics
Authors
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