Cosmological gravitational particle production and its implications for cosmological relics
Cosmological gravitational particle production (CGPP) is the creation of particles in an
expanding universe due solely to their gravitational interaction. These particles can play an …
expanding universe due solely to their gravitational interaction. These particles can play an …
Black holes, gravitational waves and fundamental physics: a roadmap
L Barack, V Cardoso, S Nissanke… - … and quantum gravity, 2019 - iopscience.iop.org
70 AIM, UMR 7158, CEA/DRF, CNRS, Université Paris Diderot, Irfu/Service d'Astrophysique,
Centre de Saclay, FR-91191 Gif-sur-Yvette, France
Centre de Saclay, FR-91191 Gif-sur-Yvette, France
Ultra high energy cosmic rays The intersection of the Cosmic and Energy Frontiers
The present white paper is submitted as part of the “Snowmass” process to help inform the
long-term plans of the United States Department of Energy and the National Science …
long-term plans of the United States Department of Energy and the National Science …
The dawn of FIMP dark matter: a review of models and constraints
N Bernal, M Heikinheimo, T Tenkanen… - … Journal of Modern …, 2017 - World Scientific
We present an overview of scenarios where the observed Dark Matter (DM) abundance
consists of Feebly Interacting Massive Particles (FIMPs), produced nonthermally by the so …
consists of Feebly Interacting Massive Particles (FIMPs), produced nonthermally by the so …
Gravitational portals in the early Universe
S Clery, Y Mambrini, KA Olive, S Verner - Physical Review D, 2022 - APS
We consider the production of matter and radiation during reheating after inflation, restricting
our attention solely to gravitational interactions. Processes considered are the exchange of a …
our attention solely to gravitational interactions. Processes considered are the exchange of a …
Gravitational production of dark matter during reheating
Y Mambrini, KA Olive - Physical Review D, 2021 - APS
We consider the direct s-channel gravitational production of dark matter during the reheating
process. Independent of the identity of the dark matter candidate or its nongravitational …
process. Independent of the identity of the dark matter candidate or its nongravitational …
Constraining the sources of ultra-high-energy cosmic rays across and above the ankle with the spectrum and composition data measured at the Pierre Auger …
AA Halim, P Abreu, M Aglietta, I Allekotte… - … of cosmology and …, 2023 - iopscience.iop.org
In this work we present the interpretation of the energy spectrum and mass composition data
as measured by the Pierre Auger Collaboration above 6× 1017 eV. We use an astrophysical …
as measured by the Pierre Auger Collaboration above 6× 1017 eV. We use an astrophysical …
Completely dark photons from gravitational particle production during the inflationary era
A bstract Starting with the de Broglie-Proca Lagrangian for a massive vector field, we
calculate the number density of particles resulting from gravitational particle production …
calculate the number density of particles resulting from gravitational particle production …
Effects of primordial black holes on dark matter models
We investigate the effects of producing dark matter by the Hawking evaporation of primordial
black holes (PBHs) in scenarios that may have a second well-motivated dark matter …
black holes (PBHs) in scenarios that may have a second well-motivated dark matter …
Cosmological gravitational particle production of massive spin-2 particles
A bstract The phenomenon of cosmological gravitational particle production (CGPP) is
expected to occur during the period of inflation and the transition into a hot big bang …
expected to occur during the period of inflation and the transition into a hot big bang …