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Cosmology with a Master Coupling in Flipped SU(5) $\times$ U(1): The $\lambda_6$ Universe

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arxiv 1906.08483 v1 pith:M6VGFCEF submitted 2019-06-20 hep-ph astro-ph.CO

John Ellis , Marcos A. G. Garcia , Natsumi Nagata , Dimitri V. Nanopoulos , Keith A. Olive This is my paper · ORCID
classification hep-phastro-ph.CO
keywords cosmologicalcouplingflippedlambdamastermattertimesuniverse
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abstract

We propose a complete cosmological scenario based on a flipped SU(5) $\times$ U(1) GUT model that incorporates Starobinsky-like inflation, taking the subsequent cosmological evolution carefully into account. A single master coupling, $\lambda_6$, connects the singlet, GUT Higgs and matter fields, controlling 1) inflaton decays and reheating, 2) the gravitino production rate and therefore the non-thermal abundance of the supersymmetric cold dark matter particle, 3) neutrino masses and 4) the baryon asymmetry of the Universe.

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Cited by 1 Pith paper

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

  1. The Heavy Gluino in Natural No-Scale $\cal{F}$-$SU$(5)

    hep-ph 2019-08 conditional novelty 5.0 of 10

    Relaxing the relic density constraint lets no-scale Flipped SU(5) push the gluino mass up to about 7.5 TeV, with the top quark mass and Higgs mass tradeoff setting the boundary.

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