IceCube Search for MeV Neutrinos from Mergers using Gravitational Wave Catalogs
Nora Valtonen-Mattila (for the IceCube Collaboration)

TL;DR
This paper reports a search for MeV neutrinos from gravitational wave-detected mergers using IceCube, setting upper limits on neutrino emissions from neutron star mergers, including GW170817, with no significant detections.
Contribution
First comprehensive search for MeV neutrinos from gravitational wave mergers using IceCube data, establishing upper limits and constraining neutrino emission models.
Findings
No significant neutrino excess detected.
Set upper limits on neutrino flux for each event.
Provided strong constraints on neutrino emission from GW170817.
Abstract
We report on a search using the IceCube Neutrino Observatory for MeV neutrinos from compact binary mergers detected through gravitational waves during the LIGO-Virgo-KAGRA (LVK) O1, O2, and O3 observing runs. The search focuses on events involving at least one candidate neutron star, such as binary neutron star (BNS) and neutron star--black hole (NSBH) mergers, which may produce a burst of thermal neutrinos due to the hot and dense conditions created during the merger. We looked for short-time increases in IceCube's detector activity around each gravitational-wave event, using four time windows centered on the merger time. We also performed a binomial test for two populations, those with and without at least one neutron star. No significant excess of neutrinos was found. We set upper limits on the MeV neutrino flux for each event, and we place constraints on MeV neutrino emission from…
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Gamma-ray bursts and supernovae · Pulsars and Gravitational Waves Research
