Observations of track-like neutrino events with Baikal-GVD

Zaborov, Dmitry; Allakhverdyan, V.A.; Avrorin, A.D.; Avrorin, A.V.; Aynutdinov, V.M.; Bannasch, R.; Bardačová, Zuzana; Belolaptikov, I.A.; Borina, I.V.; Brudanin, V.B.; Budnev, N.M.; Dik, V.Y.; Domogatsky, G.V.; Doroshenko, A.A.; Dvornicky, Rastislav; Dyachok, A.N.; Dzhilkibaev, Zh.-A.M.; Eckerová, Eliška; Elzhov, T.V.; Fajt, L.; Fialkovsky, Stanislav Vasilevich; Gafarov, A.R.; Golubkov, K.V.; Gorshkov, N.S.; Gress, T.I.; Katulin, M.S.; Kebkal, K.G.; Kebkal, O.G.; Khramov, E.V.; Kolbin, M.M.; Konischev, K.V.; Kopański, K.A.; Korobchenko, A.V.; Koshechkin, A.P.; Kozhin, V.A.; Kruglov, M.V.; Kryukov, M.K.; Kulepov, V.F.; Malecki, Pa.; Malyshkin, Y.M.; Milenin, M.B.; Mirgazov, R.R.; Naumov, D.V.; Nazari, V.; Noga, W.; Petukhov, D.P.; Pliskovsky, E.N.; Rozanov, M.I.; Rushay, V.D.; Ryabov, E.V.; Safronov, G.B.; Shaybonov, B.A.; Shelepov, M.D.; Šimkovic, Fedor; Sirenko, A.E.; Skurikhin, A.V.; Solovjev, A.G.; Sorokovikov, M.N.; Štekl, Ivan; Stromakov, A.P.; Sushenok, E.O.; Suvorova, O.V.; Tabolenko, V.A.; Tarashansky, B.A.; Yablokova, Y.V.; Yakovlev, S.A.

doi:10.22323/1.395.1177

Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - NU - Neutrinos & Muons

Observations of track-like neutrino events with Baikal-GVD

D. Zaborov*, V.A. Allakhverdyan, A.D. Avrorin, A.V. Avrorin, V.M. Aynutdinov, R. Bannasch, Z. Bardačová, I.A. Belolaptikov, I.V. Borina, V.B. Brudanin, N.M. Budnev, V.Y. Dik, G.V. Domogatsky, A.A. Doroshenko, R. Dvornicky, A.N. Dyachok, Z.A.M. Dzhilkibaev, E. Eckerová, T.V. Elzhov, L. Fajt, S.V. Fialkovsky, A.R. Gafarov, K.V. Golubkov, N.S. Gorshkov, T.I. Gress, M.S. Katulin, K.G. Kebkal, O.G. Kebkal, E.V. Khramov, M.M. Kolbin, K.V. Konischev, K.A. Kopański, A.V. Korobchenko, A.P. Koshechkin, V.A. Kozhin, M.V. Kruglov, M.K. Kryukov, V.F. Kulepov, P. Malecki, Y.M. Malyshkin, M.B. Milenin, R.R. Mirgazov, D.V. Naumov, V. Nazari, W. Noga, D.P. Petukhov, E.N. Pliskovsky, M.I. Rozanov, V.D. Rushay, E.V. Ryabov, G.B. Safronov, B.A. Shaybonov, M.D. Shelepov, F. Šimkovic, A.E. Sirenko, A.V. Skurikhin, A.G. Solovjev, M.N. Sorokovikov, I. Štekl, A.P. Stromakov, E.O. Sushenok, O.V. Suvorova, V.A. Tabolenko, B.A. Tarashansky, Y.V. Yablokova and S.A. Yakovlevet al. (click to show)

*: corresponding author

Full text: pdf

Pre-published on: July 02, 2021

Published on: March 18, 2022

Abstract

The Baikal Gigaton Volume Detector (Baikal-GVD) is a km3-scale neutrino detector currently under construction in Lake Baikal, Russia. The detector currently consists of 2304 optical modules arranged on 64 vertical strings. Further extension of the array is planned for March 2022. The data from the partially complete array have been analyzed using a χ2-based track reconstruction algorithm. After suppression of the downward-going atmospheric muon background, a flux of upward-going neutrino events is observed, dominated by the atmospheric neutrinos. The observed flux is in good agreement with Monte Carlo predictions.

DOI: https://doi.org/10.22323/1.395.1177

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