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Astrophysics > High Energy Astrophysical Phenomena

arXiv:2108.07062 (astro-ph)
[Submitted on 16 Aug 2021]

Title:KM3NeT sensitivity to low energy astrophysical neutrinos

Authors:Gwenhaël de Wasseige (on behalf of the KM3NeT Collaboration)
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Abstract:KM3NeT, a new generation of neutrino telescope, is currently being deployed in the Mediterranean Sea. While its two sites, ORCA and ARCA, were respectively designed for the determination of neutrino mass hierarchy and high-energy neutrino astronomy, this contribution presents a study of the detection potential of KM3NeT in the MeV-GeV energy range. At these low energies, the data rate is dominated by low-energy atmospheric muons and environmental noise due to bioluminescence and K-40 decay. The goal of this study is to characterize the environmental noise in order to optimize the selection of low-energy neutrino interactions and increase the sensitivity of KM3NeT to transient astrophysical phenomena, such as close-by core-collapse Supernovae, solar flares, and extragalactic transients. In this contribution, we will study how using data science tools might improve the sensitivity of KM3NeT in these low-energy neutrino searches. We will first introduce the data sets and the different variables used to characterize KM3NeT's response to the environmental noise. We will then compare the efficiency of various tools in identifying different components in the environmental noise and in disentangling low-energy neutrino interactions from the background events. We will conclude with the implication of low-energy neutrinos for future astrophysical transient searches.
Comments: 5 pages, 1 figure, VLVnT2021 conference proceedings
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)
Cite as: arXiv:2108.07062 [astro-ph.HE]
  (or arXiv:2108.07062v1 [astro-ph.HE] for this version)
  https://doi.org/10.48550/arXiv.2108.07062
Related DOI: https://doi.org/10.1088/1748-0221/16/12/C12003

Submission history

From: Gwenhaël de Wasseige [view email]
[v1] Mon, 16 Aug 2021 12:56:39 UTC (2,445 KB)
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