The Muon Decay at the Two Loop Level of the Electroweak Interactions
classification
✦ hep-ph
keywords
decayelectroweakmuonbosonbosoniccontributionscorrectedcorrections
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The progress in the evaluation of the muon decay lifetime is reviewed. The electroweak bosonic corrections are given together with the respective shift of the W boson mass. After inclusion of the recently corrected fermionic contributions, this requires an updated fitting formula for the prediction of MW.
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