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Primordial Black Hole Abundance from Reionization

Yin, Ziwen et al.
arXiv (All) · Papers
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cosmology-and-nongalactic-astrophysicshigh-energy-physics-phenomenology
We derive robust constraints on the initial abundance of evaporating primordial black holes (PBHs) using the reionization history of the Universe as a cosmological probe. We focus on PBHs that inject electromagnetic (EM) energy into the intergalactic medium (IGM) after recombination, in the mass ran
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