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Constraints on primordial black holes with extended mass functions
KTH, School of Engineering Sciences (SCI), Physics, Theoretical Particle Physics. Stockholm Univ, Sweden. (AlbaNova Univ Ctr.)
2017 (English)In: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 95, no 8, article id 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
AMER PHYSICAL SOC , 2017. Vol. 95, no 8, article id 083508
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Physical Sciences
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URN: urn:nbn:se:kth:diva-210943DOI: 10.1103/PhysRevD.95.083508ISI: 000403666800002OAI: oai:DiVA.org:kth-210943DiVA, id: diva2:1127401
Note

QC 20170714

Available from: 2017-07-14 Created: 2017-07-14 Last updated: 2017-11-29Bibliographically approved

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Kuhnel, Florian

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