Two-loop heavy top effects on the MZ-MW interdependence
G. Degrassi, P. Gambino, A. Vicini
Abstract
The O(alpha2 mt2/mw2) correction to the relation between Gμand the vector boson masses is computed in the MSbar scheme, and the results are used to investigate the magnitude of the effect on the theoretical prediction of mw and sin2θ(mz) from alpha, Gμ, and mz.
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