Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-10-11
Physics
High Energy Physics
High Energy Physics - Phenomenology
Submitted for the SUSY07 proceedings, 4 pages, LaTeX, 3 eps figures. v2 one ref added
Scientific paper
Finite Unified Theories (FUTs) are N=1 supersymmetric Grand Unified Theories that can be made all-loop finite. The requirement of all-loop finiteness leads to a severe reduction of the free parameters of the theory and, in turn, to a large number of predictions. Here SU(5) FUTs are investigated in the context of low-energy phenomenology observables. We present a detailed scanning of these FUTs, including theoretical uncertainties at the unification scale and applying all phenomenological constraints. Taking into account the restrictions from the top and bottom quark masses, we can discriminate between different models. Including further low-energy constraints such as $B$ physics observables, the bound on the lightest Higgs boson mass and the cold dark matter density, we determine the predictions of the allowed parameter space for the Higgs boson sector and the supersymmetric particle spectrum of the model.
Heinemeyer Sven
Mondragon Myriam
Zoupanos George
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