Non-universal gaugino masses and semi-natural supersymmetry in view of the Higgs boson discovery

Abstract

I consider models with non-universal gaugino masses at the gauge coupling unification scale, taking into account the Higgs boson discovery. Viable regions of parameter space are mapped and studied in the case of non-universality following from an F-term in a linear combination of singlet and adjoint representations of SU(5). I consider, in particular, "semi-natural" models that have small μ, with gaugino masses dominating the supersymmetry breaking terms at high energies. Higgsino-like particles are then much lighter than all other superpartners, and the prospects for discovery at the Large Hadron Collider can be extremely challenging.

22 pages. v2: references added

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• Seminatural SUSY from $E_7$ Nonlinear Sigma Model
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• Split Sfermion Families, Yukawa Unification and Muon g-2
• Upper Bounds on Gluino, Squark and Higgisino Masses in the Focus Point Gaugino Mediation with a Mild Fine Tuning $\Delta \le 100$
• Quasi-fixed points from scalar sequestering and the little hierarchy problem in supersymmetry
• Low Fine Tuning in Yukawa-deflected Gauge Mediation
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• SU(5) with Non-Universal Gaugino Masses
• Gluino Search with Stop and Top in Nonuniversal Gaugino Mass Models at LHC and Future Colliders
• Focus Point Gauge Mediation without a Severe Fine-tuning
• SUSY Dark Matter in Universal and Nonuniversal Gaugino Mass Models
• TeV scale mirage mediation in NMSSM and precision Higgs measurement
• Revisiting CMSSM with Non-Universal Gaugino Masses under Current Constraints
• Supermassive gauginos in supergravity inflation with high-scale SUSY breaking