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

Michael S. Chanowitz

Published 2001-04-02, updated 2002-01-28Version 5

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.

Comments: This is the published version. The previous version (v4) contains some additional background information
Journal: Phys.Rev.Lett. 87 (2001) 231802
Categories: hep-ph, hep-ex
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