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Title: Cosmology with a master coupling in flipped SU(5)×U(1): The λ6 universe

Journal Article · · Physics Letters B
 [1];  [2];  [3];  [4];  [5]
  1. King's College, London (United Kingdom). Dept. of Physics. Theoretical Particle Physics and Cosmology Group; European Organization for Nuclear Research (CERN), Geneva (Switzerland). Theoretical Physics Dept.; National Inst. of Chemical Physics and Biophysics, Tallinn (Estonia)
  2. Rice Univ., Houston, TX (United States). Physics and Astronomy Dept.
  3. Univ. of Tokyo (Japan). Dept. of Physics
  4. Texas A & M Univ., College Station, TX (United States). George P. and Cynthia W. Mitchell Inst. for Fundamental Physics and Astronomy; Houston Advanced Research Center (HARC), Woodlands, TX (United States). Astroparticle Physics Group; Academy of Athens (Greece). Division of Natural Sciences
  5. Univ. of Minnesota, Minneapolis, MN (United States). School of Physics and Astronomy. William I. Fine Theoretical Physics Inst.

We propose a complete cosmological scenario based on a flipped SU(5) × U(1) GUT model that incorporates Starobinsky-like inflation, taking the subsequent cosmological evolution carefully into account. A single master coupling, λ6, 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.

Research Organization:
Texas A & M Univ., College Station, TX (United States); Univ. of Minnesota, Minneapolis, MN (United States); Rice Univ., Houston, TX (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0010813; SC0011842; SC0018216; 17K14270; 18H05542; FG02-13ER42020
OSTI ID:
1564308
Alternate ID(s):
OSTI ID: 1802182
Journal Information:
Physics Letters B, Vol. 797, Issue C; ISSN 0370-2693
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Cited By (2)

Inflation and leptogenesis in high-scale supersymmetry journal January 2020
Inflation and Leptogenesis in High-Scale Supersymmetry text January 2019

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