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IceCube Search for Neutrinos Coincident with Gravitational Wave Events from LIGO/Virgo Run O3
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IceCube Search for Neutrinos Coincident with Gravitational Wave Events from LIGO/Virgo Run O3

IceCube Collaboration, R. Abbasi, M. Ackermann, J. Adams, N. Aggarwal, J. A. Aguilar, M. Ahlers, M. Ahrens, J. M. Alameddine, A. A. Alves, …
2022
DOI: https://doi.org/10.18154/rwth-2023-05254
url
https://doi.org/10.18154/rwth-2023-05254View
DataOpen Access (License Unspecified),  Open

Abstract

Bayesian energy: emission gravitational radiation IceCube LIGO neutrino: energy: high neutrino: flux neutron star observatory optical VIRGO
Using data from the IceCube Neutrino Observatory, we searched for high-energy neutrino emission from the gravitational-wave events detected by advanced LIGO and Virgo detectors during their third observing run. We did a low-latency follow-up on the public candidate events released during the detectors’ third observing run and an archival search on the 80 confident events reported in GWTC-2.1 and GWTC-3 catalogs. An extended search was also conducted for neutrino emission on longer timescales from neutron star containing mergers. Follow-up searches on the candidate optical counterpart of GW190521 were also conducted. We used two methods; an unbinned maximum likelihood analysis and a Bayesian analysis using astrophysical priors, both of which were previously used to search for high-energy neutrino emission from gravitational-wave events. No significant neutrino emission was observed by any analysis and upper limits were placed on the time-integrated neutrino flux as well as the total isotropic equivalent energy emitted in high-energy neutrinos.

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