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High-Energy Neutrino Astronomy and the Baikal-GVD Neutrino Telescope


Neutrino astronomy offers a novel view of the non-thermal Universe and is complementary to other astronomical disciplines. The field has seen rapid progress in recent years, including the first detection of astrophysical neutrinos in the TeV–PeV energy range by IceCube and the first identified extragalactic neutrino source (TXS 0506+056). Further discoveries are aimed for with new cubic-kilometer telescopes in the Northern Hemisphere: Baikal-GVD, in Lake Baikal, and KM3NeT-ARCA, in the Mediterranean sea. The construction of Baikal-GVD proceeds as planned; the detector currently includes over 2000 optical modules arranged on 56 strings, providing an effective volume of 0.35 km\({}^{3}\). We review the scientific case for Baikal-GVD, the construction plan, and first results from the partially built array.

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This work is supported by the Ministry of Science and Higher Education of Russian Federation under the contract 075-15-2020-778 in the framework of the Large scientific projects program within the national project ‘‘Science’’ and under the contract FZZE-2020-0017. We acknowledge support from Russian Foundation for Basic Research grant nos. 20-02-00400 and 19-29-11029, as well as support by the JINR young scientist and specialist grant no. 20-202-09. We also acknowledge the technical support of JINR staff for the computing facilities (JINR cloud).

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Correspondence to D. N. Zaborov.

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Avrorin, A.D., Avrorin, A.V., Aynutdinov, V.M. et al. High-Energy Neutrino Astronomy and the Baikal-GVD Neutrino Telescope. Phys. Atom. Nuclei 84, 513–518 (2021).

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