А. Л. Пахоруков

Energy spectrum and mass composition of cosmic rays according to the data of the TAIGA-HiSCORE installation

N. M. Budnev, M. Ternovoy, L. A. Kuzmichev, Э. А. Осипова et autres

Since 2022, the TAIGA-HiSCORE installation, part of the TAIGA astrophysical complex, has been operational with 120 Cherenkov stations covering an area of 1 $km^2$. The energy of Extensive Air Showers (EAS) is determined by the flux density of Cherenkov light at a …

Energy Spectrum of primary Cosmic Rays according to the data of the Tunka-Grande scintillation array.

N. M. Budnev, Ivanova La, И. И. Астапов, P. A. Bezyazeekov et autres

The Tunka-Grande experiment is a scintillation array with about 0.5 square kilometer sensitive area at Tunka Valley, Siberia. Its scientific program is to study cosmic rays and search for astrophysical gamma rays by detecting charged particles (electrons and muons) of extensive air …

Evaluation of Angular Resolution and Effective Area of the TAIGA-HiSCORE Installation Using Peripheral Stations

V. Samoliga, И. И. Астапов, P. Bezyazeekov, А. В. Блинов et autres

Abstract We presented the results of a computer modeling of the TAIGA-HiSCORE installation in an extended configuration. TAIGA-HiSCORE is a 1 km2 grid of 120 optical stations designed for EAS detection with angular resolution of ∼0.1°. High angular resolution is necessary for …

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The Optical Throughput Calibration of the TAIGA-IACT Facility

П. А. Волчугов, И. И. Астапов, P. A. Bezyazykov, А. В. Блинов et autres

Abstract The optical throughput of Imaging Atmospheric Cherenkov Telescopes (IACTs) is an important detector characteristic used to reconstruct the parameters of detected events. The TAIGA astrophysical complex includes TAIGA-IACT facility—an array of three IACTs and 120 TAIGA-HiSCORE wide-angle Cherenkov detectors on an …

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TAIGA-1 Hybrid Complex: The Progress from Cosmic Ray Physics to Gamma Astronomy

N. M. Budnev, И. И. Астапов, P. A. Bezyazykov, А. В. Блинов et autres

Abstract The research project reveals the advantages and capabilities of the hybrid complex of TAIGA-1 installations used to study comic ray fluxes having energies ranging from 0.1 to 1000 PeV and gamma quanta with energies from 3 TeV to a hundred TeV. …

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Hadron Rejection in an Imaging Air Cherenkov Telescope Depending on the Mirror Diameter and Camera Pixel Size

Evgeny Postnikov, И. И. Астапов, P. A. Bezyazykov, А. В. Блинов et autres

Abstract The astrophysical experiment TAIGA-10 (Tunka Advanced Instrument for cosmic ray physics and Gamma-ray Astronomy) is planned to extend by mounting new telescopes with improved parameters: a smaller camera pixel size of a larger mirror diameter. The simulation of new and already …

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Potential Locations for Deploying the Full-Scale TAIGA-100 Gamma Ray Observatory

A. L. Ivanova, Mikhail Lopatin, И. И. Астапов, P. A. Bezyazeekov et autres

Abstract Possible locations for deploying the TAIGA-100 on an area of ∼100 km2 are discussed. This astrophysical complex with a hybrid system of detectors will make a significant contribution to solving many fundamental problems of cosmic ray physics and gamma-ray astronomy.

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Estimation of the Light Component Spectrum of Cosmic Rays in the Energy Range of 200–10 000 TeV by the Hybrid Method

Л. Г. Свешникова, E. Okuneva, И. И. Астапов, P. A. Bezyazeekov et autres

Abstract New results on measuring the spectrum of the light component (protons + helium) of cosmic rays in the classical knee region in the primary cosmic ray spectrum at energies of ∼200–20 000 are presented. The results were obtained from hybrid data …

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Spectrum and Composition of Primary Cosmic Rays, According to Data from the TAIGA-HiSCORE Array

В. В. Просин, И. И. Астапов, P. A. Bezyazeekov, А. В. Блинов et autres

Abstract Results are presented from operating the TAIGA-HiSCORE array after raising the number of stations to 114 and directing all stations to the zenith. The conversion from the measured Cherenkov light flux of an extensive air shower (EAS) to the primary energy …

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Differential Sensitivity of the TAIGA–IACT Facility in the Stereo Mode of Observations

П. А. Волчугов, И. И. Астапов, P. A. Bezyazeekov, А. В. Блинов et autres

Abstract This work is devoted to the evaluation of the differential sensitivity of the 5 Imaging Atmospheric Cherenkov Telescopes (IACTs) under construction as part of the TAIGA astrophysical complex. The procedure for simulating detected gamma rays with energies from 2 to 200 …

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Investigation of the Spatiotemporal Structure of Extensive Atmospheric Showers According to Data from the Tunka-Grande Array

Ivanova La, И. И. Астапов, P. A. Bezyazeekov, А. В. Блинов et autres

Abstract Extensive atmospheric showers with a complex spatiotemporal structure are studied by data of the Tunka-Grande scintillation array. During the considered events registered in detectors of the Tunka-Grande facility, pulses with a multipeak structure and multipulse signals are observed.

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Four Years of Wide-Field Search for Nanosecond Optical Transients with the TAIGA-HiSCORE Cherenkov Array

Alexander D Panov, И. И. Астапов, G. Beskin, P. A. Bezyazykov et autres

It has been previously demonstrated by Panov et al. (2021) that the TAIGA-HiSCORE Cherenkov array, originally built for cosmic ray physics and ultrahigh-energy gamma-ray astronomy studies using the extensive air shower method, can be used in conventional optical astronomy for wide-field searches …

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