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

Abstract 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-3 yr-1 for sources following a subphotospheric energy spectrum with a mean energy of 100 GeV and a bolometric energy of 1052 erg.
- Drexel University United States
- University of Alberta Canada
- University of Adelaide Australia
- Institut für Geschichtliche Landeskunde Rheinland-Pfalz e.V. Germany
- Ghent University Belgium
energy spectrum, FOS: Physical sciences, gamma ray burst experiments; neutrino astronomy; neutrino experiments, GeV, gamma ray burst experiments, 530, Atomic, IceCube, neutrino astronomy, Particle and Plasma Physics, bolometer, neutrino: atmosphere, neutrino experiments, muon, Nuclear, info:eu-repo/classification/ddc/530, astro-ph.HE, High Energy Astrophysical Phenomena (astro-ph.HE), energy: high, neutrino: energy: low, background, Physics, ddc:530, Molecular, Particle and High Energy Physics, Nuclear and Plasma Physics, sensitivity, Nuclear & Particles Physics, flux, angular resolution, Particle and high energy physics, Physical Sciences, Astronomical sciences, Astrophysics - High Energy Astrophysical Phenomena, Astronomical and Space Sciences
energy spectrum, FOS: Physical sciences, gamma ray burst experiments; neutrino astronomy; neutrino experiments, GeV, gamma ray burst experiments, 530, Atomic, IceCube, neutrino astronomy, Particle and Plasma Physics, bolometer, neutrino: atmosphere, neutrino experiments, muon, Nuclear, info:eu-repo/classification/ddc/530, astro-ph.HE, High Energy Astrophysical Phenomena (astro-ph.HE), energy: high, neutrino: energy: low, background, Physics, ddc:530, Molecular, Particle and High Energy Physics, Nuclear and Plasma Physics, sensitivity, Nuclear & Particles Physics, flux, angular resolution, Particle and high energy physics, Physical Sciences, Astronomical sciences, Astrophysics - High Energy Astrophysical Phenomena, Astronomical and Space Sciences
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).7 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Top 10%
