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Title
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Looking for Core-Collapse Supernovae with Gravitational Waves and Low-energy Neutrinos
Author(s)
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Core-collapse supernovae are fascinating astrophysical objects for multimessenger studies. Gravitational waves (GWs) are expected to play a role in the supernova explosion mechanism, however their complex modelling makes the detection very challenging. Low-energy neutrinos will be emitted enormously during the core-collapse explosion and can help for the gravitational wave counterpart search. In this work we develop a multi-messengers strategy to search for such astrophysical objects by exploiting a global network of both low-energy neutrino and gravitational wave detectors. We also improve the detection potential of the neutrino sub-network by exploiting the temporal behaviour of a neutrino burst from a core-collapse supernova. We show that with the proposed approach neutrino detectors can gain at least 10% of detection efficiency at the distance where their efficiency drops. Then, we combine the information provided by GW and neutrino in a multi-messenger strategy. In particular, we obtain an increase of the probability to detect the GW signal from a CCSN at 60 kpc from zero when using only GW analysis to ∼33% with our combined GW-ν approach.
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Presentation
Code
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VIR-0760A-21
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Date Code requested
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11:01, Tuesday, 29 June, 2021
Code creator
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pagliaro
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https://tds.virgo-gw.eu/ql/?c=17008
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2 hours - The Wait Time will only begin counting down once a file has been attached to this Code.

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