The electroweak contributions to (g−2)μ after the Higgs-boson mass measurement
📄 Abstract
The Higgs-boson mass used to be the only unknown input parameter of the electroweak contributions to $(gensuremath{-}2{)}_{ensuremath{mu}}$ in the Standard Model. It enters at the two-loop level in diagrams with, e.g., top loops, $W$, or $Z$ exchange. We reevaluate these contributions, providing analytic expressions and exact numerical results for the Higgs-boson mass recently measured at the LHC. Our final result for the full Standard Model electroweak contributions is $(153.6ifmmodepmelsetextpmfi{}1.0)ifmmodetimeselsetexttimesfi{}{10}^{ensuremath{-}11}$, where the remaining theory error comes from unknown three-loop contributions and hadronic uncertainties.
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