We apply a simple prescription derived from the framework of the Pinch Technique formalism to check the calculation of the gauge-invariant one-loop bosonic electroweak corrections to the muon anomalous magnetic moment.
Cabral-Rosetti, L. G., Lopez Castro, G., & Pestieau, J. (2004). Pinch technique prescription to compute the electroweak corrections to the muon anomalous magnetic moment. Revista Mexicana de Fisica, 50, 340-342. https://hdl.handle.net/2078.5/28091 (Original work published 2004)