Non-thermal WIMPy Baryogenesis with Primordial Black Hole
arXiv:2309.16122 · doi:10.1088/1475-7516/2024/02/020
Abstract
We consider the possibility that the weakly interacting massive particles produced from the evaporation of primordial black hole can explain both the relic density of dark matter and the baryon asymmetry of the Universe, through their annihilation which violate B and CP-symmetry. We find that the primordial black hole with mass less than is a good candidate as an source of TeV dark matter with the total annihilation cross section and the B-violating scattering cross section . This large annihilation cross section of dark matter in this model would make it available to search them in the indirect search for dark matter such as gamma-ray or neutrino observations.
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