Planck Scale Unification in a Supersymmetric Standard Model

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dc.creatorHowl, R.
dc.creatorKing, S. F.
dc.date2007-05-02
dc.date2007-05-29
dc.date.accessioned2026-07-07T10:59:54Z
dc.date.available2026-07-07T10:59:54Z
dc.descriptionWe show how gauge coupling unification near the Planck scale $M_P\sim 10^{19}$ GeV can be achieved in the framework of supersymmetry, facilitating a full unification of all forces with gravity. Below the conventional GUT scale $M_{GUT}\sim 10^{16}$ GeV physics is described by a Supersymmetric Standard Model whose particle content is that of three complete $\mathbf{27}$ representations of the gauge group $E_6$. Above the conventional GUT scale the gauge group corresponds to a left-right symmetric Supersymmetric Pati-Salam model, which may be regarded as a ``surrogate SUSY GUT'' with all the nice features of SO(10) but without proton decay or doublet-triplet splitting problems. At the TeV scale the extra exotic states may be discovered at the LHC, providing an observable footprint of an underlying $E_6$ gauge group broken at the Planck scale. Assuming an additional low energy $U(1)_X$ gauge group, identified as a non-trivial combination of diagonal $E_6$ generators, the $μ$ problem of the MSSM can be resolved.
dc.descriptionMinor corrections. 12 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0705.0301
dc.identifierhttp://arxiv.org/abs/0705.0301
dc.identifierPhys.Lett.B652:331-337,2007
dc.identifierdoi:10.1016/j.physletb.2007.07.035
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/187566
dc.subjectHigh Energy Physics - Phenomenology
dc.titlePlanck Scale Unification in a Supersymmetric Standard Model
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