125 GeV Higgs Boson Mass and Muon g−2 in 5D MSSM

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dc.contributor.authorOkada, Nobuchika
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2019-05-15T13:39:27Z
dc.date.available2019-05-15T13:39:27Z
dc.date.issued2016-10-26
dc.description.abstractIn the minimal supersymmetric standard model (MSSM), the tension between the observed Higgs boson mass and the experimental result of the muon g − 2 measurement requires a large mass splitting between stops and smuons/charginos/neutralinos. We consider a five-dimensional (5D) framework of the MSSM with the Randall-Sundrum warped background metric, and show that such a mass hierarchy is naturally achieved in terms of geometry. In our setup, the supersymmetry is broken at the ultraviolet (UV) brane, while all the MSSM multiplets reside in the 5D bulk. An appropriate choice of the bulk mass parameters for the MSSM matter multiplets can naturally realize the sparticle mass hierarchy desired to resolve the tension. The gravitino is localized at the UV brane and hence becomes very heavy, while the gauginos spreading over the bulk acquire their masses suppressed by the fifth dimensional volume. As a result, the lightest sparticle neutralino is a candidate for the dark matter as usual in the MSSM. In addition to reproducing the SM-like Higgs boson mass of around 125 GeV and the measured value of the muon g − 2, we consider a variety of phenomenological constraints, and present the benchmark particle mass spectra that can be explored at the LHC Run-2 in the near future.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://ir.ua.edu/handle/123456789/5546
dc.languageEnglish
dc.language.isoen_US
dc.subjectEffective field theory
dc.subjectHierarchy problem
dc.subjectParticle dark matter
dc.subjectParticle interactions
dc.subjectPerturbation theory
dc.subjectSupersymmetry
dc.subjectSupersymmetric field theories
dc.subjectSupersymmetric models
dc.subjectHiggs bosons
dc.subjectMuons
dc.subjectSuperpartners
dc.subjectWeakly interacting massive particles
dc.subjectMagnetic moment
dc.subjectMass
dc.subjectSymmetries
dc.subjectHadron colliders
dc.subjectMathematical physics methods
dc.subjectParticle accelerators
dc.subjectPrecision measurements
dc.title125 GeV Higgs Boson Mass and Muon g−2 in 5D MSSMen_US
dc.typetext
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