56 citations · 63 across the 4 of their papers we have counts for
11 papers
Inflationary Gravitational Leptogenesis
Raymond T. Co, Yann Mambrini, Keith A. Olive
We consider the generation of the baryon asymmetry in models with right-handed neutrinos produced through gravitational scattering of the inflaton during reheating. The right-hande…
New Horizons: Scalar and Vector Ultralight Dark Matter
D. Antypas, A. Banerjee, C. Bartram +123
The last decade has seen unprecedented effort in dark matter model building at all mass scales coupled with the design of numerous new detection strategies. Transformative advances…
New Ideas in Baryogenesis: A Snowmass White Paper
Gilly Elor, Julia Harz, Seyda Ipek +21
The Standard Model of Particle Physics cannot explain the observed baryon asymmetry of the Universe. This observation is a clear sign of new physics beyond the Standard Model. Ther…
Predictions for Axion Couplings from ALP Cogenesis
Raymond T. Co, Lawrence J. Hall, Keisuke Harigaya
Adding an axion-like particle (ALP) to the Standard Model, with a field velocity in the early universe, simultaneously explains the observed baryon and dark matter densities. This…
Common Origin of Warm Dark Matter and Dark Radiation
Manuel A. Buen-Abad, Raymond T. Co, Keisuke Harigaya
We consider a cosmological scenario where a relativistic particle and a stable massive particle are simultaneously produced from the decay of a late-decaying particle after Big-Ban…
Axion Emission Can Explain a New Hard -ray Excess from Nearby Isolated Neutron Stars
Malte Buschmann, Raymond T. Co, Christopher Dessert +1
Axions may be produced thermally inside the cores of neutron stars (NSs), escape the stars due to their feeble interactions with matter, and subsequently convert into X-rays in the…