Large neutrino telescope Baikal-GVD: recent status

V. M. Aynutdinov,V. A. Allakhverdyan,A. D. Avrorin,A. V. Avrorin,Z. Bardačová,I. A. Belolaptikov,E. A. Bondarev,I. V. Borina,N. M. Budnev,V. A. Chadymov,A. S. Chepurnov,V. Y. Dik,G. V. Domogatsky,A. A. Doroshenko,R. Dvornický,A. N. Dyachok,Zh. -A. M. Dzhilkibaev,E. Eckerová,T. V. Elzhov,L. Fajt,V. N. Fomin,A. R. Gafarov,K. V. Golubkov,N. S. Gorshkov,T. I. Gress,K. G. Kebkal,I. V. Kharuk,E. V. Khramov,M. M. Kolbin,S. O. Koligaev,K. V. Konischev,A. V. Korobchenko,A. P. Koshechkin,V. A. Kozhin,M. V. Kruglov,V. F. Kulepov,Y. E. Lemeshev,M. B. Milenin,R. R. Mirgazov,D. V. Naumov,A. S. Nikolaev,D. P. Petukhov,E. N. Pliskovsky,M. I. Rozanov,E. V. Ryabov,G. B. Safronov,D. Seitova,B. A. Shaybonov,M. D. Shelepov,S. D. Shilkin,E. V. Shirokov,F. Šimkovic,A. E. Sirenko,A. V. Skurikhin,A. G. Solovjev,M. N. Sorokovikov,I. Štekl,A. P. Stromakov,O. V. Suvorova,V. A. Tabolenko,B. B. Ulzutuev,Y. V. Yablokova,D. N. Zaborov,S. I. Zavyalov,D. Y. Zvezdov

arxiv（2023）

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Abstract

The Baikal-GVD is a deep-underwater neutrino telescope being constructed in Lake Baikal. After the winter 2023 deployment campaign the detector consists of 3456 optical modules installed on 96 vertical strings. The status of the detector and progress in data analysis are discussed in present report. The Baikal-GVD data collected in 2018-2022 indicate the presence of cosmic neutrino flux in high-energy cascade events consistent with observations by the IceCube neutrino telescope. Analysis of track-like events results in identification of first high-energy muon neutrino candidates. These and other results from 2018-2022 data samples are reviewed in this report.

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