First results of low-energy neutrino follow-ups of Run O4 compact binary mergers with the IceCube Neutrino Observatory
(2023)
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- Authors
Lamoureux, Mathieu 
- et. al.
- Abstract
- We present the results of searches for astrophysical neutrinos of few GeV energy from compactbinary mergers detected during the first months of the fourth observing run of the LIGO, Virgo,and KAGRA interferometers. We describe our method, based on a selection of 0.5 − 5 GeVneutrino events in IceCube, where we search for a statistically significant increase in the numberof low-energy candidate events detected around the compact binary merger time. With theseresults, we constrain neutrino-emitting source populations. Finally, we compare our results withconstraints set by neutrino searches at > 10 GeV energies and describe the complementarity ofthese low- and high-energy searches.
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Citations
Kruiswijk, K., Lamoureux, M., de Wasseige, G., IceCube, & et al. (2023). First results of low-energy neutrino follow-ups of Run O4 compact binary mergers with the IceCube Neutrino Observatory. Proceedings of Science, ICRC2023. https://doi.org/10.22323/1.444.1571 (Original work published 2023)