Soft Probes of SU(5) Unification

Abstract

We explore the sparticle and Higgs spectroscopy of an SU(5) inspired extension of the constrained minimal supersymmetric standard model (CMSSM). The universal soft parameter m_0 is replaced by m_{\bar 5} and m_{10}, where m_{\bar 5} and m_{10} denote universal soft scalar masses associated with fields in the five and ten dimensional representations of SU(5). The special case m_{\bar 5} << m_{10} yields a rather characteristic sparticle spectroscopy which can be tested at the LHC. We highlight a few benchmark points in which the lightest neutralino saturates the WMAP bound on cold dark matter abundance.

23 pages, 10 figures, 2 tables

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• Supersymmetry at a 28 TeV hadron collider: HE-LHC
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• Expanding the parameter space of natural supersymmetry
• Discrimination of Supersymmetric Grand Unified Models in Gaugino Mediation
• Low Fine-Tuning with Heavy Higgsinos in Yukawa Unified SUSY GUTs
• Discrimination of SUSY breaking models using single-photon processes at future e+e- linear colliders
• A Stronger Case for Superunification Post Higgs Boson Discovery