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astro-ph.CO2020
Constraints on Primordial Black Holes From Big Bang Nucleosynthesis Revisited
Celeste Keith, Dan Hooper, Nikita Blinov +1
As space expands, the energy density in black holes increases relative to that of radiation, providing us with motivation to consider scenarios in which the early universe containe…
astro-ph.CO2020
Warm Decaying Dark Matter and the Hubble Tension
Nikita Blinov, Celeste Keith, Dan Hooper
If a fraction of the dark matter is unstable and decays into dark radiation at around the time of matter-radiation equality, it could impact the expansion history of the universe i…