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Neutrino portals to dark matter
KTH, School of Engineering Sciences (SCI), Physics. Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain.;Univ Autonoma Madrid, IFT, CSIC, E-28049 Madrid, Spain.ORCID iD: 0000-0001-5948-9152
Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain.;Univ Autonoma Madrid, IFT, CSIC, E-28049 Madrid, Spain..
Univ Durham, Inst Particle Phys Phenomenol, Dept Phys, South Rd, Durham DH1 3LE, England..
Univ Durham, Inst Particle Phys Phenomenol, Dept Phys, South Rd, Durham DH1 3LE, England..
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2019 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 79, no 7, article id 555Article in journal (Refereed) Published
Abstract [en]

We explore the possibility that dark matter interactions with Standard Model particles are dominated by interactions with neutrinos. We examine whether it is possible to construct such a scenario in a gauge invariant manner. We first study the coupling of dark matter to the full lepton doublet and confirm that this generally leads to the dark matter phenomenology being dominated by interactions with charged leptons. We then explore two different implementations of the neutrino portal in which neutrinos mix with a Standard Model singlet fermion that interacts directly with dark matter through either a scalar or vector mediator. In the latter cases we find that the neutrino interactions can dominate the dark matter phenomenology. Present neutrino detectors can probe dark matter annihilations into neutrinos and already set the strongest constraints on these realisations. Future experiments such as Hyper-Kamiokande, MEMPHYS, DUNE, or DARWIN could allow to probe dark matter-neutrino cross sections down to the value required to obtain the correct thermal relic abundance.

Place, publisher, year, edition, pages
Springer, 2019. Vol. 79, no 7, article id 555
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Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-255388DOI: 10.1140/epjc/s10052-019-7060-5ISI: 000474491500003Scopus ID: 2-s2.0-85068837420OAI: oai:DiVA.org:kth-255388DiVA, id: diva2:1339514
Note

QC 20190730

Available from: 2019-07-30 Created: 2019-07-30 Last updated: 2019-07-30Bibliographically approved

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Blennow, Mattias

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