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Abstract: We study a new class of scenarios with the gaugino mass unification at theweak scale. The general condition is first derived for the unification tooccur. Among the general cases, a particular attention is drawn to the miragegauge mediation where the low-energy mass spectrum is governed by the mirage ofunified gauge coupling which is seen by low-energy observers. The gauginomasses have natural and stable low-scale unification. The mass parameters ofscalar quarks and leptons are given by gauge couplings but exhibit no largemass hierarchy. They are non-universal even when mediated at the gauge couplingunification scale. In addition, the gravitino is rather heavy and not thelightest superparticle. These facts are in contrast to existing gauge andmirage mediation models. We also present several explicit models fordynamically realizing the TeV-scale unification.



Autor: Motoi Endo, Koichi Yoshioka

Fuente: https://arxiv.org/







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