Towards neutrino astronomy with tracks at the Baikal-GVD

Baikal-GVD is a gigaton-scale neutrino telescope being constructed in Lake Baikal. The detector presently includes 14 independent detector sub-arrays (clusters), each consisting of 8 or 9 strings, each of which holds 36 optical modules. High-energy muon neutrino interaction through the W-boson exchange results in the production of muons with range of propagation reaching many kilometers. Reconstructing the neutrino-induced muon tracks in the detector provides a measurement of the neutrino direction with precision up to 0.2$^{^\circ}$ and beyond, enabling the use of the neutrino data for astronomy. The Baikal-GVD data from data-taking seasons 2019-2023 have been processed with a dedicated track reconstruction algorithm, yielding a sample of few thousand neutrino candidate events. The data sample have been employed to search for astrophysical neutrino diffuse flux and for neutrino emission from point-like sources. In this report we briefly discuss the data reduction algorithms and present the preliminary analysis results.

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Publication Details

Published
2025-10-15
DOI
https://doi.org/10.22323/1.501.1162
Citations
1
Primary Topic
Astrophysics and Cosmic Phenomena
Type
article
Field-Weighted Citation Impact
1.87

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article

Towards neutrino astronomy with tracks at the Baikal-GVD

Э. А. Бондарев, Dmitry Zaborov, G. Safronov
1 citations
Astrophysics and Cosmic Phenomena
1.87
article

Towards neutrino astronomy with tracks at the Baikal-GVD

Э. А. Бондарев, Dmitry Zaborov, G. Safronov
article en
1 citations

Abstract

Baikal-GVD is a gigaton-scale neutrino telescope being constructed in Lake Baikal. The detector presently includes 14 independent detector sub-arrays (clusters), each consisting of 8 or 9 strings, each of which holds 36 optical modules. High-energy muon neutrino interaction through the W-boson exchange results in the production of muons with range of propagation reaching many kilometers. Reconstructing the neutrino-induced muon tracks in the detector provides a measurement of the neutrino direction with precision up to 0.2$^{^\circ}$ and beyond, enabling the use of the neutrino data for astronomy. The Baikal-GVD data from data-taking seasons 2019-2023 have been processed with a dedicated track reconstruction algorithm, yielding a sample of few thousand neutrino candidate events. The data sample have been employed to search for astrophysical neutrino diffuse flux and for neutrino emission from point-like sources. In this report we briefly discuss the data reduction algorithms and present the preliminary analysis results.

Ministry of Science and Higher Education of the Russian Federation, Russian Academy of Sciences
Openalex Percentile: Top 11%
Astrophysics and Cosmic Phenomena
1.87
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