Searching for IceCube sub-TeV neutrino counterparts to sub-threshold Gravitational Wave events

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dc.contributor.authorAbbasi, R.
dc.contributor.authorAckermann, M.
dc.contributor.authorAdams, J.
dc.contributor.authorAgarwalla, S.K.
dc.contributor.authorAguilar, J.A.
dc.contributor.authorAhlers, M.
dc.contributor.authorAlameddine, J.M.
dc.contributor.authorAmin, N.M.
dc.contributor.authorAndeen, K.
dc.contributor.authorAnton, G.
dc.contributor.authorArgüelles, C.
dc.contributor.authorAshida, Y.
dc.contributor.authorAthanasiadou, S.
dc.contributor.authorAxani, S.N.
dc.contributor.authorBai, X.
dc.contributor.authorBalagopal, A.V.
dc.contributor.authorBaricevic, M.
dc.contributor.authorBarwick, S.W.
dc.contributor.authorBasu, V.
dc.contributor.authorBay, R.
dc.contributor.authoret al.
dc.contributor.conference38th International Cosmic Ray Conference (ICRC) (26 Jul 2023 - 3 Aug 2023 : Nagoya, Japan)
dc.date.issued2024
dc.descriptionPublished on: September 27, 2024
dc.description.abstractSince the release of the Gravitational Wave Transient Catalogue GWTC-2.1 by the LIGO-Virgo collaboration, sub-threshold gravitational wave (GW) candidates are publicly available. They are expected to be released in real-time as well, in the upcoming O4 run. Using these GWcandidates for multi-messenger studies complement the ongoing efforts to identify neutrino counterparts to GWevents. This in turn, allows us to schedule electromagnetic follow-up searches more efficiently. However, the definition and criteria for sub-threshold candidates are pretty flexible. Finding a multi-messenger counterpart via archival studies for these candidates will help to set up strong bounds on the GWparameters which are useful for defining a GWsignal as sub-threshold, thereby increasing their significance for scheduling follow-up searches. Here, we present the current status of this ongoing work with the IceCube Neutrino Observatory. We perform a selection of the subthreshold GW candidates from GWTC-2.1 and conduct an archival search for sub-TeV neutrino counterparts detected by the dense infill array of the IceCube Neutrino Observatory, known as "DeepCore". For this, an Unbinned Maximum Likelihood (UML) method is used. We report the 90% C.L. sensitivities of this sub-TeV neutrino dataset for each selected sub-threshold GW candidate, considering the spatial and temporal correlation between the GW and neutrino events within a 1000 s time window.
dc.description.statementofresponsibilityThe IceCube Collaboration
dc.identifier.citationProceedings of the 38th International Cosmic Ray Conference (ICRC 2023), as published in Proceedings of Science, 2024, vol.444, pp.1504-1-1504-11
dc.identifier.doi10.22323/1.444.1504
dc.identifier.issn1824-8039
dc.identifier.orcidBurley, R.T. [0000-0002-6712-787X]
dc.identifier.orcidCarnie-Bronca, E.G. [0000-0002-8195-5698]
dc.identifier.urihttps://hdl.handle.net/2440/148384
dc.language.isoen
dc.publisherSissa Medialab Srl
dc.relation.grantARC
dc.relation.ispartofseriesProceedings of Science; 444
dc.rights© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0).
dc.source.urihttps://pos.sissa.it/444/
dc.titleSearching for IceCube sub-TeV neutrino counterparts to sub-threshold Gravitational Wave events
dc.typeConference paper
pubs.publication-statusPublished

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