Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 1, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1475-7516/2022/01/027
Keywords
neutrino astronomy; neutrino experiments; gamma ray burst experiments
Funding
- U.S.A. -U.S. National Science Foundation-Office of Polar Programs
- U.S. National Science FoundationPhysics Division
- Wisconsin Alumni Research Foundation
- Center for High Throughput Computing (CHTC) at the University of Wisconsin -Madison
- Open Science Grid (OSG)
- Extreme Science and Engineering Discovery Environment (XSEDE)
- Frontera computing project at the Texas Advanced Computing Center
- U.S. Department of Energy-National Energy Research Scientific Computing Center
- Particle astrophysics research computing center at the University of Maryland
- Institute for Cyber-Enabled Research at Michigan State University
- Astroparticle physics computational facility at Marquette University
- Belgium -Funds for Scientific Research (FRS-FNRS
- Belgium -Funds for Scientific Research (FWO)
- FWO Odysseus and Big Science programmes
- Belgian Federal Science Policy Office (Belspo)
- Germany -Bundesministerium fur Bildung und Forschung (BMBF)
- Deutsche Forschungsgemeinschaft (DFG)
- Helmholtz Alliance for Astroparticle Physics (HAP)
- Initiative and Networking Fund of the Helmholtz Association
- Deutsches Elektronen Synchrotron (DESY)
- High Performance Computing cluster of the RWTH Aachen
- Sweden -Swedish Research Council, Swedish Polar Research Secretariat
- Swedish National Infrastructure for Computing (SNIC)
- Knut and Alice Wallenberg Foundation
- Australia -Australian Research Council
- Canada Natural Sciences and Engineering Research Council of Canada
- Calcul Quebec
- Compute Ontario
- Canada Foundation for Innovation
- WestGrid
- Compute Canada
- Denmark Villum Fonden
- Carlsberg Foundation
- New Zealand -Marsden Fund
- Japan -Japan Society for Promotion of Science (JSPS)
- Institute for Global Prominent Research (IGPR) of Chiba University
- Korea -National Research Foundation of Korea (NRF)
- Switzerland -Swiss National Science Foundation (SNSF)
- United Kingdom -Department of Physics, University of Oxford
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This paper presents the first all-flavor search for transient emission of low-energy neutrinos using three years of data obtained with the IceCube-DeepCore detector. No evidence of transient neutrino emission was found, leading to a constraint on the volumetric rate of astrophysical transient sources.
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 similar to 705- 2301Gpc(-3) yr(-1) for sources following a subphotospheric energy spectrum with a mean energy of 100 GeV and a bolometric energy of 10(52) erg.
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