preprintPhysical review. D/Physical review. D.Jan 20, 2026GREEN OA

Probing neutrino emission at GeV energies from compact binary mergers with the IceCube Neutrino Observatory

RAR. AbbasiMAM. AckermannJSJ. S. AdamsSKS. K. AgarwallaJAJ. A. Aguilar

Loyola University Chicago · Deutsches Elektronen-Synchrotron DESY · +52 more institutions

Indexed inarxivcrossrefdatacite

Abstract

The advent of multi-messenger astronomy has allowed for new types of source searches by neutrino detectors. We present the results of the search for 0.5-100 GeV astrophysical neutrinos detected with IceCube and emitted from compact binary mergers detected by the LIGO, Virgo, and KAGRA interferometers from their first run of observation (O1) to the end of the first part of the fourth (O4a). An innovative approach is used to lower the energy threshold to 0.5 GeV and to search for an excess of GeV neutrinos in time coincidence with astrophysical transient events. Furthermore, we use a statistical combination of all observations, a binomial test, to search for a subpopulation of neutrino emitters. No significant…

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Topics & keywords

Keywords
  • Physics
  • LIGO
  • Neutrino
  • Neutron star
  • Astrophysics
  • Binary black hole
  • Neutrino detector
  • Binary number
UN Sustainable Development Goals
  • Affordable and clean energy
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