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Abbasi, R.; Ackermann, M.; Adams, J.; Aguilar, J.A.; Ahlers, M.; Ahrens, M.; Alispach, C.; Alves, A.A.; Amin, N.M.; Andeen, K.; Anderson, T.; Ansseau, I.; Anton, G.; Argüelles, C.; Axani, S.; Bai, X.; Balagopal V., A.; Barbano, A.; Barwick, S.W.; Bastian, B.; Basu, V.; Baum, V.; Baur, S.; Bay, R.; [...]

First all-flavor search for transient neutrino emission using 3-years of IceCube DeepCore data

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  • Media type: E-Article
  • Title: First all-flavor search for transient neutrino emission using 3-years of IceCube DeepCore data
  • Contributor: Abbasi, R.; Ackermann, M.; Adams, J.; Aguilar, J.A.; Ahlers, M.; Ahrens, M.; Alispach, C.; Alves, A.A.; Amin, N.M.; Andeen, K.; Anderson, T.; Ansseau, I.; Anton, G.; Argüelles, C.; Axani, S.; Bai, X.; Balagopal V., A.; Barbano, A.; Barwick, S.W.; Bastian, B.; Basu, V.; Baum, V.; Baur, S.; Bay, R.; [...]
  • imprint: IOP Publishing, 2022
  • Published in: Journal of Cosmology and Astroparticle Physics
  • Language: Not determined
  • DOI: 10.1088/1475-7516/2022/01/027
  • ISSN: 1475-7516
  • Keywords: Astronomy and Astrophysics
  • Origination:
  • Footnote:
  • Description: <jats:title>Abstract</jats:title> <jats:p>Since the discovery of a flux of high-energy astrophysical neutrinos, searches for their origins have focused primarily at TeV-PeV energies. Compared to sub-TeV searches, high-energy searches benefit from an increase in the neutrino cross section, improved angular resolution on the neutrino direction, and a reduced background from atmospheric neutrinos and muons. However, the focus on high energy does not preclude the existence of sub-TeV neutrino emission where IceCube retains sensitivity. Here we present the first all-flavor search from IceCube for transient emission of low-energy neutrinos, focusing on the energy region of 5.6-100 GeV using three years of data obtained with the IceCube-DeepCore detector. We find no evidence of transient neutrino emission in the data, thus leading to a constraint on the volumetric rate of astrophysical transient sources in the range of ∼ 705-2301 Gpc<jats:sup>-3</jats:sup> yr<jats:sup>-1</jats:sup> for sources following a subphotospheric energy spectrum with a mean energy of 100 GeV and a bolometric energy of 10<jats:sup>52</jats:sup> erg.</jats:p>