Regular Article - Theoretical Physics
Focus point from direct gauge mediation
Department of Physics, Chongqing University, Chongqing, 401331, People’s Republic of China
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Accepted: 8 December 2014
Published online: 14 January 2015
This paperis devoted to the reconciliation of the tension between the theoretic expectation from naturalness and the present LHC limits on the superpartner mass bounds. We argue that in supersymmetry models of direct gauge mediation the focusing phenomenon appears, which dramatically reduces the fine tuning associated to the 126 GeV Higgs boson. This type of model is highly predictive as regards the mass spectrum, with a multi-TeV third generation, the term of order 1 TeV, gluino mass above LHC mass bound, and the light neutralinos and charginos below 1 TeV.
© SIF and Springer-Verlag Berlin Heidelberg, 2015