The Higgs Boson Mass from Precision Electroweak Data

Details The Higgs Boson Mass from Precision Electroweak Data The Higgs Boson Mass from Precision Electroweak Data

1995-07-26

arxiv.org/abs/hep-ph/9507424v2

Z.Phys.C69:627-634,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, latex, 8 figures as uu-encoded postscript file

Scientific paper

10.1007/s002880050066

We present a new global fit to precision electroweak data, including new low- and high-energy data and analyzing the radiative corrections arising from the minimal symmetry breaking sectors of the Standard Model (SM) and its supersymmetric extension (MSSM). It is shown that present data favor a Higgs mass of O(M_Z): M_H = 76+152-50 GeV. We confront our analysis with (meta)stability and perturbative bounds on the SM Higgs mass, and the theoretical upper bound on the MSSM Higgs mass. Present data do not discriminate significantly between the SM and MSSM Higgs mass ranges. We comment in passing on the sensitivity of the Higgs mass determination to the values of alpha(M_Z) and alpha_s(M_Z).

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