Abstract
Motivated in part by recent demonstrations that electroweak unification into a simple group may occur at a low scale, we detail the requirements on the Higgs boson mass if the unification is to be perturbative. We do this for the standard model effective theory, minimal supersymmetry, and next-to-minimal supersymmetry with an additional singlet field. Within the standard model framework, we find that perturbative unification with occurs at and requires whereas perturbative unification with requires In supersymmetry, the presentation of the Higgs boson mass predictions can be significantly simplified, yet remain meaningful, by using a single supersymmetry breaking parameter We present Higgs boson mass limits in terms of for the minimal supersymmetric model and the next-to-minimal supersymmetric model. We show that in next-to-minimal supersymmetry, the Higgs boson mass upper limit can be as large as even for moderate supersymmetry masses if the perturbative unification scale is low
- Received 19 April 2002
DOI:https://doi.org/10.1103/PhysRevD.66.013010
©2002 American Physical Society