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ANTARES neutrino search for time and space correlations with IceCube high-energy neutrino events

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André, MichelMés informacióMés informacióMés informació
Albert, A.
Anghinolfi, Marco
Anton, Gisela
Document typeArticle
Defense date2019-07-10
PublisherInstitute of Physics (IOP)
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
In the past years, the IceCube Collaboration has reported in several analyses the observation of astrophysical high-energy neutrino events. Despite a compelling evidence for the first identification of a neutrino source, TXS 0506+056, the origin of the majority of these events is still unknown. In this paper, a possible transient origin of the IceCube astrophysical events is searched for using neutrino events detected by the ANTARES telescope. The arrival time and direction of 6894 track-like and 160 shower-like events detected over 2346 days of livetime are examined to search for coincidences with 54 IceCube high-energy track-like neutrino events, by means of a maximum likelihood method. No significant correlation is observed and upper limits on the one-flavour neutrino fluence from the direction of the IceCube candidates are derived. The non-observation of time and space correlation within the time window of 0.1 days with the two most energetic IceCube events constrains the spectral index of a possible point-like transient neutrino source, to be harder than -2.3 and -2.4 for each event, respectively.
CitationAndre, M. [et al.]. ANTARES neutrino search for time and space correlations with IceCube high-energy neutrino events. "Astrophysical journal", 10 Juliol 2019, vol. 879, núm. 2-108, p. 1-14. 
URIhttp://hdl.handle.net/2117/167189
DOI10.3847/1538-4357/ab253c
ISSN0004-637X
Publisher versionhttps://iopscience.iop.org/article/10.3847/1538-4357/ab253c
Other identifiershttps://arxiv.org/abs/1902.09462
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  • LAB - Laboratori d'Aplicacions Bioacústiques - Articles de revista [117]
  • Centre Tecnològic de Vilanova i la Geltrú - Articles de revista [131]
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