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Reheating in No-Scale Models of Inflation
Ignatios Antoniadis, John Ellis, Dimitri V. Nanopoulos +2
Analogously to the suppression of inflaton decays into conformally-coupled scalar fields in the original Starobinsky model of inflation, inflaton decays to Standard Model…
Deformations of Starobinsky Inflation in No-Scale SU(5) and SO(10) GUTs
John Ellis, Marcos A. G. Garcia, Natsumi Nagata +2
The original Starobinsky model of inflation is consistent with Planck and other measurements of the CMB, but recent results from the ACT and SPT Collaborations hint that…
How Accidental was Inflation?
Ignatios Antoniadis, John Ellis, Wenqi Ke +2
Data on the cosmic microwave background (CMB) are discriminating between different models of inflation, disfavoring simple monomial potentials whilst being consistent with models w…
Light right-handed Smuons at the LHC: Natural dark matter and in an unexplored realm of the pMSSM
Xiangwei Yin, Tianjun Li, James A. Maxin +1
We introduce an in-depth study of an unprobed pMSSM region offering a natural solution to dark matter. Since the 1980s this region has been referred to as the "bulk", consisting of…
The Right-Handed Slepton Bulk Region for Dark Matter in Generalized No-scale - with Effective Super-Natural Supersymmetry
Xiangwei Yin, James A. Maxin, Dimitri V. Nanopoulos +1
We propose Generalized No-Scale Supergravity, the simplest scenario for Effective Super-Natural Supersymmetry, naturally solving the supersymmetry electroweak fine-tuning problem a…
BICEP/Keck Constraints on Attractor Models of Inflation and Reheating
John Ellis, Marcos A. G. Garcia, Dimitri V. Nanopoulos +2
Recent BICEP/Keck data on the cosmic microwave background, in combination with previous WMAP and Planck data, impose strong new constraints on the tilt in the scalar perturbation s…