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The SPHERE-2 detector for observation of extensive air showers in 1 PeV -- 1 EeV energy range
R. A. Antonov, E. A. Bonvech, D. V. Chernov +6
The SPHERE-2 balloon-borne detector designed for extensive air shower (EAS) observations using EAS optical Vavilov-Cherenkov radiation (``Cherenkov light''), reflected from the sno…
First observation of a tau neutrino charged current interaction with charm production in the Opera experiment
N. Agafonova, A. Alexandrov, A. Anokhina +124
An event topology with two secondary vertices compatible with the decay of short-lived particles was found in the analysis of neutrino interactions in the Opera target. The observe…
Observable spectral and angular distributions of -rays from extragalactic ultrahigh energy cosmic ray accelerators: the case of extreme TeV blazars
E. V. Khalikov, T. A. Dzhatdoev
Ultrahigh energy protons and nuclei from extragalactic cosmic ray sources initiate intergalactic electromagnetic cascades, resulting in observable fluxes of -rays in the GeV-TeV…
Final results on neutrino oscillation parameters from the OPERA experiment in the CNGS beam
OPERA Collaboration, N. Agafonova, A. Alexandrov +124
The OPERA experiment has conclusively observed the appearance of tau neutrinos in the muon neutrino CNGS beam. Exploiting the OPERA detector capabilities, it was possible to isolat…
Massive Argon Space Telescope (MAST): a concept of heavy time projection chamber for gamma-ray astronomy in the 100 MeV --- 1 TeV energy range
Timur Dzhatdoev, Egor Podlesnyi
We explore the concept of liquid Argon time projection chamber (TPC) for gamma-ray astronomy in the 100 MeV --- 1 TeV energy range. We propose a basic layout for such a telescope c…
Spatial and temporal structure of EAS reflected Cherenkov light signal
R. A. Antonov, E. A. Bonvech, D. V. Chernov +4
A compact device lifted over the ground surface might be used to observe optical radiation of extensive air showers (EAS). Here we consider spatial and temporal characteristics of…