Constraints on the diffuse flux of multi-PeV astrophysical neutrinos obtained with the Baikal Gigaton Volume Detector
Allakhverdyan V.A. Avrorin A.D. Avrorin A.V. Aynutdinov V.M. Beňušová Z. Belolaptikov I.A. Bondarev E.A. Borina I.V. Budnev N.M. Chadymov V.A. Chepurnov A.S. Dik V.Y. Dmitrieva A.N. Domogatsky G.V. Doroshenko A.A. Dvornický R. Dyachok A.N. Dzhilkibaev Zh.-A.M. Eckerová E. Elzhov T.V. Fomin V.N. Gafarov A.R. Golubkov K.V. Gress T.I. Kebkal K.G. Kebkal V.K. Kharuk I.V. Khokhlov S.S. Khramov E.V. Kolbin M.M. Koligaev S.O. Konischev K.V. Korobchenko A.V. Koshechkin A.P. Kozhin V.A. Kruglov M.V. Kulepov V.F. Kulikov A.A. Lemeshev Y.E. Lisitsin M.V. Lovtsov S.V. Mirgazov R.R. Naumov D.V. Nikolaev A.S. Perevalova I.A. Petrukhin A.A. Petukhov D.P. Pliskovsky E.N. Rozanov M.I. Ryabov E.V. Safronov G.B. Shaybonov B.A. Shishkin V.Y. Shirokov E.V. Šimkovic F. Sirenko A.E. Skurikhin A.V. Solovjev A.G. Sorokovikov M.N. Štekl I. Stromakov A.P. Suvorova O.V. Tabolenko V.A. Tretjak V.I. Ulzutuev B.B. Yablokova Y.V. Zaborov D.N. Zavjalov S.I. Zvezdov D.Y. Plavin A.V. Semikoz D.V. Troitsky S.V.
14 October 2025American Physical Society
Physical Review D
2025#112Issue 81 - 7 pp.
Various theoretical models predict cosmic neutrinos with multi-PeV energies. The recent detection of a ∼1017 eV neutrino in the KM3NeT experiment suggests that these energetic particles can be studied with present-day installations. Here, we present upper limits on the flux of astrophysical neutrinos with energies (1015.5–1020) eV obtained with the largest liquid-water neutrino telescope, the Baikal Gigaton Volume Detector (GVD), operation using cascadelike events.We discuss astrophysical implications of these results and constrain several cosmogenic neutrino scenarios using a combination of Baikal-GVD, KM3NeT, IceCube, and Auger data.
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Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, 117312, Russian Federation
Comenius University, Bratislava, 81499, Slovakia
Czech Technical University, Institute of Experimental and Applied Physics, Prague, CZ-11000, Czech Republic
Irkutsk State University, Irkutsk, 664003, Russian Federation
Skobeltsyn Research Institute of Nuclear Physics, Moscow State University, Moscow, 119991, Russian Federation
Institute of Nuclear Physics ME RK, Almaty, 050032, Kazakhstan
National Research Nuclear University MEPHI, Moscow, 115409, Russian Federation
Physics Department, Lomonosov Moscow State University, Moscow, 119991, Russian Federation
LATENA, St. Petersburg, 199106, Russian Federation
INFRAD, Dubna, 141981, Russian Federation
Nizhny Novgorod State Technical University, Nizhny Novgorod, 603950, Russian Federation
St. Petersburg State Marine Technical University, St. Petersburg, 190008, Russian Federation
Skobeltsyn Institute of Nuclear Physics MSU, Moscow, 119991, Russian Federation
Black Hole Initiative at Harvard University, Cambridge, 02138, MA, United States
APC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Sorbonne Paris Cité, 119, Paris, 75205, France
Joint Institute for Nuclear Research
Institute for Nuclear Research of the Russian Academy of Sciences
Comenius University
Czech Technical University
Irkutsk State University
Skobeltsyn Research Institute of Nuclear Physics
Institute of Nuclear Physics ME RK
National Research Nuclear University MEPHI
Physics Department
LATENA
INFRAD
Nizhny Novgorod State Technical University
St. Petersburg State Marine Technical University
Skobeltsyn Institute of Nuclear Physics MSU
Black Hole Initiative at Harvard University
APC
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