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Constraints on primordial black holes with extended mass functions
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC). KTH Royal Institute of Technology, Sweden.
Stockholm University, Faculty of Science, Department of Astronomy. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC). University of Michigan, USA.
Number of Authors: 2
2017 (English)In: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 95, no 8, 083508Article in journal (Refereed) Published
Abstract [en]

Constraints on primordial black holes in the range 10(-18) M circle dot to 10(3) M circle dot 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 10(-10) M circle dot to 10(-8) M circle dot 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.

Place, publisher, year, edition, pages
2017. Vol. 95, no 8, 083508
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-145276DOI: 10.1103/PhysRevD.95.083508ISI: 000403666800002OAI: oai:DiVA.org:su-145276DiVA: diva2:1128440
Available from: 2017-07-25 Created: 2017-07-25 Last updated: 2017-07-25Bibliographically approved

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Kühnel, FlorianFreese, Katherine
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)Department of Astronomy
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