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Signatures of compact halos of sterile-neutrino dark matter
KTH, School of Engineering Sciences (SCI), Physics, Theoretical Particle Physics. AlbaNova University Center, Sweden.
KTH, School of Engineering Sciences (SCI), Physics, Theoretical Particle Physics. AlbaNova University Center, Sweden; University of Iceland, Iceland.ORCID iD: 0000-0002-3525-8349
2017 (English)In: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 96, no 10, 103020Article in journal (Refereed) Published
Abstract [en]

We investigate compact halos of sterile-neutrino dark matter and examine observable signatures with respect to neutrino and photon emission. Primarily, we consider two cases: primordial black-hole halos and ultracompact minihalos. In both cases, we find that there exists a broad range of possible parameter choices such that detection in the near future with x-ray and gamma-ray telescopes might be well possible. In fact, for energies above 10 TeV, the neutrino telescope IceCube would be a splendid detection machine for such macroscopic dark-matter candidates.

Place, publisher, year, edition, pages
American Physical Society, 2017. Vol. 96, no 10, 103020
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-220271DOI: 10.1103/PhysRevD.96.103020ISI: 000416315600003Scopus ID: 2-s2.0-85037061947OAI: oai:DiVA.org:kth-220271DiVA: diva2:1172504
Funder
Swedish Research Council, 638-2013-8993
Note

QC 20180110

Available from: 2018-01-10 Created: 2018-01-10 Last updated: 2018-01-10Bibliographically approved

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