Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-07-22
Nucl.Phys. B511 (1998) 45-68
Physics
High Energy Physics
High Energy Physics - Phenomenology
34 pages
Scientific paper
Requiring the soft supersymmetry-breaking (SSB) parameters in finite gauge-Yukawa unified models to be finite up to and including two-loop order, we derive a two-loop sum rule for the soft scalar-masses. It is shown that this sum rule coincides with that of a certain class of string models in which the massive string states are organized into N=4 supermultiplets. We investigate the SSB sector of two finite SU(5) models. Using the sum rule which allows the non-universality of the SSB terms and requiring that the lightest superparticle particleis neutral, we constrain the parameter space of the SSB sector in each model.
Kobayashi Tatsuo
Kubo Jisuke
Mondragon Myriam
Zoupanos George
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