The Z ->anti-b b decay asymmetry: lose-lose for the Standard Model

Abstract

Combining precision measurements and the Higgs boson search limit, the electroweak data has evolved to a point where new physics is favored whether the 3.2 sigma A_{FB}^b anomaly is genuine or not. Such new physics could greatly alter the inferred value of the Higgs boson mass.

This is the published version. The previous version (v4) contains some additional background information

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