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The Higgs mass beyond the CMSSM

  • John Ellis
  • Feng Luo
  • Keith A. Olive
  • Pearl SandickEmail author
Regular Article - Theoretical Physics

Abstract

The apparent discovery of a Higgs boson with mass ∼125 GeV has had a significant impact on the constrained minimal supersymmetric extension of the Standard Model (the CMSSM). Much of the low-mass parameter space in the CMSSM has been excluded by supersymmetric particle searches at the LHC as well as by the Higgs mass measurement and the emergent signal for B s μ + μ . Here, we consider the impact of these recent LHC results on several variants of the CMSSM with a primary focus on obtaining a Higgs mass of ∼125 GeV. In particular, we consider the one- and two-parameter extensions of the CMSSM with one or both of the Higgs masses set independently of the common sfermion mass, m 0 (the NUHM1,2). We also consider the one-parameter extension of the CMSSM in which the input universality scale M in is below the GUT scale (the sub-GUT CMSSM). Finally, we reconsider mSUGRA models with sub-GUT universality, which have the same number of parameters as the CMSSM. We find that when M in<M GUT large regions of parameter space open up where the relic density of neutralinos can successfully account for dark matter with a Higgs boson mass ∼125 GeV. Interestingly, we find that the preferred range of the A-term in sub-GUT mSUGRA models straddles that predicted by the simplest Polonyi model.

Keywords

Dark Matter Higgs Boson Light Supersymmetric Particle Cold Dark Matter Dark Matter Density 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The work of J.E. and F.L. was supported in part by the London Centre for Terauniverse Studies (LCTS), using funding from the European Research Council via the Advanced Investigator Grant 267352: this also supported visits by K.A.O. to the CERN TH Division, which he thanks for its hospitality. The work of F.L. and K.A.O. was supported in part by DOE grant DE-FG02-94ER-40823 at the University of Minnesota, and the work of F.L. was also supported in part by a Doctoral Dissertation Fellowship at the University of Minnesota. P.S. gratefully acknowledges support and resources from the Center for High Performance Computing at the University of Utah.

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Copyright information

© Springer-Verlag Berlin Heidelberg and Società Italiana di Fisica 2013

Authors and Affiliations

  • John Ellis
    • 1
    • 2
  • Feng Luo
    • 1
  • Keith A. Olive
    • 3
  • Pearl Sandick
    • 4
    Email author
  1. 1.Theoretical Physics and Cosmology Group, Department of PhysicsKing’s College LondonLondonUK
  2. 2.TH Division, Physics DepartmentCERNGeneva 23Switzerland
  3. 3.William I. Fine Theoretical Physics Institute, School of Physics and AstronomyUniversity of MinnesotaMinneapolisUSA
  4. 4.Department of PhysicsUniversity of UtahSalt Lake CityUSA

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