Higgs boson mass as the discriminator of electroweak Models
Journal Article
·
· Physical Review Letters
- Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235 (United States)
In the standard model (SM), vacuum stability implies a {ital lower} limit on the Higgs boson mass. In supersymmetric (SUSY) extensions, there is an {ital upper} bound on the lightest Higgs boson mass. We show that for a top quark mass {ital m}{sub {ital t}}{approx_lt}165 GeV, a gap exists between the SM and both the minimal (MSSM) and next-to-minimal SUSY model [(M+1)SSM] bounds. Thus, if the new {ital m}{sub {ital t}} measurement by the Collider Detector at Fermilab remains valid, a first measurement of the Higgs boson mass will exclude either the SM or the simplest SUSY Higgs sectors. We further discuss SUSY grand unified models, other extensions of the SM, and the potential for discovery of a light Higgs boson.
- DOE Contract Number:
- FG05-85ER40226
- OSTI ID:
- 44857
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 15 Vol. 74; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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