Status and perspectives of the BAIKAL-GVD project

Avrorin, А.D.; Avrorin, A.V.; Aynutdinov, V. M.; Баннаш, Р.; Белолаптиков, И. А.; Bogorodsky, D.Yu.; Brudanin, V.; Буднев, Н.; Danilchenko, I. A.; Domogatsky, G. V.; Дорошенко, А. А.; Dyachok, A. N.; Dzhilkibaev, Zh.-A.M.; Fialkovsky, S.V.; Гафаров, А. Р.; Гапоненко, O. Н.; Golubkov, K.V.; Гресс, Т.; Honz, Z.; Кебкал, К.Г.; Kebkal, O.G.; Konischev, K. V.; Konstantinov, E.; Коробченко, А. В.; Кошечкин, А. П.; Koshel, F.K.; Kozhin, A.V.; Kulepov, V.F.; Kuleshov, D.; Ljashuk, V.I.; Milenin, M.B.; Mirgazov, R.; Osipova, E.R.; Панфилов, А. И.; Pankov, L.; Перевалов, А. А.; Pliskovsky, E. N.; Rozanov, M.I.; Rubtzov, V.; Rjabov, E.V.; Shaybonov, B. A.; Sheifler, A.; Skurihin, Aleksandr Vasilevich; Smagina, A.A.; Suvorova, O. V.; Таболенко, В. А.; Tarashansky, B.; Yakovlev, S. A.; Загородников, А.; Жуков, В.; Зурбанов, В. Л.

doi:10.1051/epjconf/201612105003

Cited by 11 publications

(5 citation statements)

References 15 publications

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“…Progress should move on three fronts. First, more statistics, gathered either by IceCube or future detectors [95][96][97][98], will reduce mainly the height of the contours. Second, detection of events at a few PeV may reveal flavor-specific signatures.…”

Section: B Managing Uncertainties In Flavor Ratios At Earthmentioning

confidence: 99%

Testing decay of astrophysical neutrinos with incomplete information

2017

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Neutrinos mix and have mass differences, so decays from one to another must occur. But how fast? The best direct limits on non-radiative decays, based on solar and atmospheric neutrinos, are weak, τ 10 −3 s (m/eV) or much worse. Greatly improved sensitivity, τ ∼ 10 3 s (m/eV), will eventually be obtained using neutrinos from distant astrophysical sources, but large uncertaintiesin neutrino properties, source properties, and detection aspects -do not allow this yet. However, there is a way forward now. We show that IceCube diffuse neutrino measurements, supplemented by improvements expected in the near term, can increase sensitivity to τ ∼ 10 s (m/eV) for all neutrino mass eigenstates. We provide a roadmap for the necessary analyses and show how to manage the many uncertainties. If limits are set, this would definitively rule out the long-considered possibility that neutrino decay affects solar, atmospheric, or terrestrial neutrino experiments.

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Section: B Managing Uncertainties In Flavor Ratios At Earthmentioning

confidence: 99%

Testing decay of astrophysical neutrinos with incomplete information

2017

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“…Here the, non-exhaustive, list includes the Pierre Auger Observatory [18], Telescope Array [19], JEM-EUSO [20,21], HAWC [22], MAGIC [23], H.E.S.S. [24], VERITAS [25,26], IceCube [27], Baikal-GVD [28], ANTARES Telescope [29], European Southern Observatory [30], other astronomical and underground/underwater observatories, and also accelerator experiments in off-beam mode. Therefore, it is not only desirable, but also feasible to put the CRE research into a routine implementation.…”

Section: Introductionmentioning

confidence: 99%

Cosmic-Ray Extremely Distributed Observatory

et al. 2020

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The Cosmic-Ray Extremely Distributed Observatory (CREDO) is a newly formed, global collaboration dedicated to observing and studying cosmic rays (CR) and cosmic-ray ensembles (CRE): groups of at least two CR with a common primary interaction vertex or the same parent particle. The CREDO program embraces testing known CR and CRE scenarios, and preparing to observe unexpected physics, it is also suitable for multi-messenger and multi-mission applications. Perfectly matched to CREDO capabilities, CRE could be formed both within classical models (e.g., as products of photon–photon interactions), and exotic scenarios (e.g., as results of decay of Super-Heavy Dark Matter particles). Their fronts might be significantly extended in space and time, and they might include cosmic rays of energies spanning the whole cosmic-ray energy spectrum, with a footprint composed of at least two extensive air showers with correlated arrival directions and arrival times. As the CRE are predominantly expected to be spread over large areas and, due to the expected wide energy range of the contributing particles, such a CRE detection might only be feasible when using all available cosmic-ray infrastructure collectively, i.e., as a globally extended network of detectors. Thus, with this review article, the CREDO Collaboration invites the astroparticle physics community to actively join or to contribute to the research dedicated to CRE and, in particular, to pool together cosmic-ray data to support specific CRE detection strategies.

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“…The availability and reliability of all three systems ensures the facility of a time calibration in full range, which is confirmed by the data obtained. Also, these systems can be easily scaled in conditions of project development [7].…”

Section: Resultsmentioning

confidence: 99%