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Search for neutrinos from dark matter self-annihilations in the center of the Milky Way with 3 years of IceCube/DeepCore
Univ Adelaide, Dept Phys, Adelaide, SA 5005, Australia..
DESY, D-15735 Zeuthen, Germany..
Univ Canterbury, Dept Phys & Astron, Private Bag 4800, Christchurch, New Zealand..
Univ Libre Bruxelles, Sci Fac, CP230, B-1050 Brussels, Belgium..
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2017 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 77, no 9, article id 627Article in journal (Refereed) Published
Abstract [en]

We present a search for a neutrino signal from dark matter self-annihilations in the Milky Way using the Ice-Cube Neutrino Observatory (IceCube). In 1005 days of data we found no significant excess of neutrinos over the background of neutrinos produced in atmospheric air showers from cosmic ray interactions. We derive upper limits on the velocity averaged product of the darkmatter self-annihilation cross section and the relative velocity of the dark matter particles <sigma Av >. Upper limits are set for darkmatter particle candidate masses ranging from 10GeV up to 1TeV while considering annihilation through multiple channels. This work sets the most stringent limit on a neutrino signal from dark matter with mass between 10 and 100GeV, with a limit of 1.18 . 10-23 cm(3)s(-1) for 100GeV dark matter particles self-annihilating via iota(+)iota(-) t-to neutrinos (assuming the Navarro-Frenk-White dark matter halo profile).

Place, publisher, year, edition, pages
SPRINGER , 2017. Vol. 77, no 9, article id 627
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-336035DOI: 10.1140/epjc/s10052-017-5213-yISI: 000411223000002OAI: oai:DiVA.org:uu-336035DiVA, id: diva2:1165355
Funder
Swedish Research CouncilSwedish Polar Research SecretariatSwedish National Infrastructure for Computing (SNIC)
Available from: 2017-12-13 Created: 2017-12-13 Last updated: 2017-12-13Bibliographically approved

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Botner, OlgaBurgman, AlexanderHallgren, Allande los Heros, CarlosUnger, E.
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