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Extending the Search for Muon Neutrinos Coincident with Gamma-Ray Bursts in IceCube Data
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: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 843, no 2, 112Article in journal (Refereed) Published
Abstract [en]

We present an all-sky search for muon neutrinos produced during the prompt γ-ray emission of 1172 gamma-ray bursts (GRBs) with the IceCube Neutrino Observatory. The detection of these neutrinos would constitute evidence for ultra-high-energy cosmic-ray (UHECR) production in GRBs, as interactions between accelerated protons and the prompt γ-ray field would yield charged pions, which decay to neutrinos. A previously reported search for muon neutrino tracks from northern hemisphere GRBs has been extended to include three additional years of IceCube data. A search for such tracks from southern hemisphere GRBs in five years of IceCube data has been introduced to enhance our sensitivity to the highest energy neutrinos. No significant correlation between neutrino events and observed GRBs is seen in the new data. Combining this result with previous muon neutrino track searches and a search for cascade signature events from all neutrino flavors, we obtain new constraints for single-zone fireball models of GRB neutrino and UHECR production.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2017. Vol. 843, no 2, 112
Keyword [en]
acceleration of particles, astroparticle physics, gamma-ray burst: general, neutrinos
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-331240DOI: 10.3847/1538-4357/aa7569ISI: 000405278700012OAI: oai:DiVA.org:uu-331240DiVA: diva2:1152221
Funder
Swedish Research CouncilSwedish Polar Research SecretariatSwedish National Infrastructure for Computing (SNIC)Knut and Alice Wallenberg Foundation
Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2017-10-24Bibliographically approved

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Botner, OlgaBurgman, AlexanderEuler, SebastianHallgren, Allande los Heros, CarlosStröm, RickardTaavola, HenricUnger, E.
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