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The Search For Transient Astrophysical Neutrino Emission With Icecube-Deepcore
Univ Adelaide, Dept Phys, Adelaide, SA 5005, Australia..
Tech Univ Munich, D-85748 Garching, Germany..
DESY, D-15735 Zeuthen, Germany..
Univ Canterbury, Dept Phys & Astron, Christchurch 1, New Zealand..
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2016 (English)In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 816, no 2, 75Article in journal (Refereed) Published
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Abstract [en]

We present the results of a search for astrophysical sources of brief transient neutrino emission using IceCube and DeepCore data acquired between 2012 May 15 and 2013 April 30. While the search methods employed in this analysis are similar to those used in previous IceCube point source searches, the data set being examined consists of a sample of predominantly sub-TeV muon-neutrinos from the Northern Sky (-5 degrees < delta < 90 degrees) obtained through a novel event selection method. This search represents a first attempt by IceCube to identify astrophysical neutrino sources in this relatively unexplored energy range. The reconstructed direction and time of arrival of neutrino events are used to search for any significant self-correlation in the data set. The data revealed no significant source of transient neutrino emission. This result has been used to construct limits at timescales ranging from roughly 1 s to 10 days for generic soft-spectra transients. We also present limits on a specific model of neutrino emission from soft jets in core-collapse supernovae.

Place, publisher, year, edition, pages
2016. Vol. 816, no 2, 75
Keyword [en]
astroparticle physics, gamma-ray burst: general, neutrinos, supernovae: general
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-276815DOI: 10.3847/0004-637X/816/2/75ISI: 000368238500027OAI: oai:DiVA.org:uu-276815DiVA: diva2:903531
Funder
Swedish Research CouncilSwedish Polar Research SecretariatSwedish National Infrastructure for Computing (SNIC)Knut and Alice Wallenberg FoundationGerman Research Foundation (DFG)
Available from: 2016-02-16 Created: 2016-02-16 Last updated: 2017-11-30Bibliographically approved

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Boersma, David J.Botner, OlgaPerez de los Heros, CarlosStröm, RickardTaavola, Henric

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