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Probing the Supersymmetry-Mass Scale With F-term Hybrid Inflation

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arxiv 2309.04848 v3 pith:ZCDDSXU4 submitted 2023-09-09 hep-ph astro-ph.COhep-th

G. Lazarides , C. Pallis This is my paper
classification hep-phastro-ph.COhep-th
keywords f-termhybridinflationkaehlermassscalesupersymmetrysymmetry
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We consider F-term hybrid inflation and supersymmetry breaking in the context of a model which largely respects a global U(1) R symmetry. The Kaehler potential parameterizes the Kaehler manifold with an enhanced U(1)x(SU(1,1)/U(1)) symmetry, where the scalar curvature of the second factor is determined by the achievement of a supersymmetry-breaking de Sitter vacuum without ugly tuning. The magnitude of the emergent soft tadpole term for the inflaton can be adjusted in the range (1.2-460) TeV -- increasing with the dimensionality of the representation of the waterfall fields -- so that the inflationary observables are in agreement with the observational requirements. The mass scale of the supersymmetric partners turns out to lie in the region (0.09-253) PeV which is compatible with high-scale supersymmetry and the results of LHC on the Higgs boson mass. The mu parameter can be generated by conveniently applying the Giudice-Masiero mechanism and assures the out-of-equilibrium decay of the R saxion at a low reheat temperature Trh<~163 GeV.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. GUT-Scale Smooth Hybrid Inflation with a Stabilized Modulus in Light of ACT and SPT Data

    hep-ph 2025-10 conditional novelty 6.0 of 10

    A smooth hybrid inflation model, augmented with a stabilized modulus, reproduces the spectral index measured by ACT and SPT while keeping Higgs v.e.v.s at the GUT scale.

  2. F-Term Hybrid Inflation with T-Model K\"ahler Geometry and Beyond

    hep-ph 2026-05 unverdicted novelty 4.0 of 10

    F-term hybrid inflation with SU(1,1)/U(1) or SU(2)/U(1) Kähler geometry in GUTs can be realized without inflationary extrema for broad parameters, matching ACT/SPT data via curvature and tadpole adjustments while pred...

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