Constraints on Primordial Black Holes with Extended Mass Functions
arXiv:1701.07223 · doi:10.1103/PhysRevD.95.083508
Abstract
Constraints on primordial black holes in the range to are reevaluated for a general class of extended mass functions. Whereas previous work has assumed that PBHs are produced with one single mass, instead there is expected to be a range of masses even in the case of production from a single mechanism; constraints therefore change from previous literature. Although tightly constrained in the majority of cases, it is shown that, even under conservative assumptions, primordial black holes in the mass range to could still constitute the entirety of the dark matter. This stresses both the importance for a comprehensive reevaluation of all respective constraints that have previously been evaluated only for a monochromatic mass function, and the need to obtain more constraints in the allowed mass range.
5 pages, 2 figures; v2: references added, minor changes
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