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1. Four years of wide-field search for nanosecond optical transients with the TAIGA-HiSCORE Cherenkov array

Author

Panov, A. D., Astapov, I. I., Beskin, G. M., Bezyazykov, P. A., Blinov, A. V., Bonvech, E. A., Borodin, A. N., Budnev, N. M., Bulan, A. V., Chernov, P. Busygina D. V., Chiavassa, A., Dyachok, A. N., Gafarov, A. R., Garmash, A. Yu., Grebenyuk, V. M., Gress, E. O., Gress, O. A., Gress, T. I., Grinyuk, A. A., Grishin, O. G., Ivanova, A. L., Ivanova, A. D., Ilyushin, M. A., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kokoulin, R. P., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kuzmichev, L. A., Kryukov, A. P., Lagutin, A. A., Lavrova, M. V., Lemeshev, Yu., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Lukanov, A. D., Malakhov, S. D., Mirgazov, R. R., Monkhoev, R. D., Okyneva, E. A., Osipova, E. A., Pakhorukov, A. L., Pan, A., Pankov, L. V., Petrukhin, A. A., Podgrudkov, D. A., Poddubny, I. A., Popova, E. G., Postnikov, E. B., Prosin, V. V., Pushnin, A. A., Raikin, R. I., Razumov, A. Yu., Rjabov, E., Rubtsov, G. I., Samoliga, V. S., Shaikovsky, A. V., Sidorenkov, A. Yu., Silaev, A. A., Skurikhin, A. V., Satyshev, I., Sokolov, A. V., Sveshnikova, L. G., Tabolenko, V. A., Tanaev, A. B., Ternovoy, M., Tkachev, L. G., Ushakov, N., Volchugov, P. A., Volkov, N. V., Voronin, D. M., Yashin, I. I., Zagorodnikov, A. V., Zhurov, D. P., and Zirakashvili, V. N.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract

It has been previously demonstrated [Panov et al. Physics of Atomic Nuclei 84(2021)1037] 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 for rare nanosecond optical transients of astrophysical origin. The FOV of the facility is on the scale of 1~ster, and it is capable of detecting very rare transients in the visible light range with fluxes greater than approximately 3000~quanta/m$^2$/10~ns (10~ns is the apparatus integration time) and pulse durations of 10\,ns. Among the potential sources of distant nanosecond optical transients are the evaporation of primary black holes, magnetic reconnection in the accretion disks of black holes, and signals from distant lasers of extraterrestrial civilizations. The paper describes the methods and results of the search for optical transients using the TAIGA-HiSCORE Cherenkov array from 2018 to 2022 (four winter seasons of data collection). No reliable astrophysical candidates for optical transients were found. We set an upper bound on the flux of the searched events as $\sim 1\times10^{-3}$\,events/ster/h., Comment: 20 figures, 46 pages

Published
2024

2. Search for High-Energy Gamma Quanta from the Cygnus Cocoon Source in October–November 2020

Author

Okuneva, E., Sveshnikova, L., Astapov, I., Bezyazykov, P., Blinov, A., Borodin, A., Bonvech, E., Budnev, N., Bulan, A., Busygin, P., Vaidyanatan, A., Volkov, N., Volchugov, P., Voronin, D., Gafarov, A., Gres, E., Gres, O., Gres, T., Grishin, O., Garmash, A., Grebenyuk, V., Grinyuk, A., Dyachok, A., Zhurov, D., Zagorodnikov, A., Ivanova, A., Ivanova, A., Ilyushin, M., Kalmykov, N., Kindin, V., Kiryukhin, V., Kokoulin, R., Kolosov, N., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Chiavassa, A., Lavrova, M., Lagutin, A., Lemeshev, Y., Lubsandorzhiev, B., Lubsandorzhiev, N., Malakhov, S., Mirgazov, R., Monkhoev, R., Osipova, E., Pakhorukov, A., Pan, A., Panov, A., Pankov, L., Petrukhin, A., Podgrudkov, D., Poddubny, I., Popova, E., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Razumov, A., Raikin, R., Rubtsov, G., Ryabov, E., Samoliga, V., Satyshev, I., Silaev, A., Silaev, Jr., A., Sidorenkov, A., Skurikhin, A., Sokolov, A., Tabolenko, V., Tanaev, A., Ternovoy, M., Tkachev, L., Ushakov, N., Chernov, D., and Yashin, I.

Published
2024
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3. γ-Ray Detection with the TAIGA-IACT Installation in the Stereo Mode of Observation

Author

Volchugov, P. A., Astapov, I. I., Bez’’yazykov, P. A., Bonvech, E. A., Borodin, A. N., Budnev, N. M., Bulan, A. V., Vaidyanatan, A., Volkov, N. V., Voronin, D. M., Gafarov, A. R., Gres’, E. O., Gres’, O. A., Gres’, T. I., Grishin, O. G., Garmash, A. Yu., Grebenyuk, V. M., Grinyuk, A. A., Dyachok, A. N., Zhurov, D. P., Zagorodnikov, A. V., Ivanova, A. D., Ivanova, A. L., Ilyushin, M. A., Kalmykov, N. N., Kindin, V. V., Kiryukhin, S. N., Kokoulin, R. P., Kolosov, N. I., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kryukov, A. P., Kuz’michev, L. A., K’yavassa, A., Lagutin, A. A., Lavrova, M. V., Lemeshev, Yu. E., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Malakhov, S. D., Mirgazov, R. R., Monkhoev, R. D., Okuneva, E. A., Osipova, E. A., Panov, A. D., Pakhorukov, A. L., Pan, A., Pan’kov, L. V., Petrukhin, A. A., Podgrudkov, D. A., Popova, E. G., Postnikov, E. B., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Razumov, A. Yu., Raikin, R. I., Rubtsov, G. I., Ryabov, E. V., Samoliga, V. S., Satyshev, I., Sveshnikova, L. G., Silaev, A. A., Silaev (Jr.), A. A., Sidorenkov, A. Yu., Skurikhin, A. V., Sokolov, A. V., Tabolenko, V. A., Tanaev, A. B., Ternovoi, M. Yu., Tkachev, L. G., Ushakov, N. A., Chernov, D. V., and Yashin, I. I.

Published
2024
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4. TAIGA -- an advanced hybrid detector complex for astroparticle physics and high energy gamma-ray astronomy

Author

Budnev, N. M., Astapov, I., Bezyazeekov, P., Bonvech, E., Borodin, A., Bulan, A., Chernov, D., Chiavassa, A., Dyachok, A., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, E., Gress, O., Gress, T., Grinyuk, A., Grishin, O., Ivanova, A. D., Ivanova, A. L., Kalmykov, N., Kindin, V., Kiryuhin, S., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lavrova, M., Lemeshev, Y., Lubsandorzhiev, B., Lubsandorzhiev, N., Lukanov, A., Lukyantsev, D., Malakhov, S., Mirgazov, R., Monkhoev, R., Osipova, E., Pakhorukov, A., Pankov, L., Pan, A., Panov, A., Petrukhin, A., Poddubnyi, I., Podgrudkov, D., Ponomareva, V., Popova, E., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Razumov, A., Rubtsov, G., Ryabov, E., Samoliga, V., Satyshev, A., Silaev, A., Sidorenkov, A., Skurikhin, A., Sokolov, A., Sveshnikova, L., Tabolenko, V., Tkachev, L., Tanaev, A., Ternovoy, M., Togoo, R., Ushakov, N., Vaidyanathan, A., Volchugov, P., Volkov, N., Voronin, D., Zagorodnikov, A., Zhurov, D., and Yashin, I.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The physical motivations, present status, main results in study of cosmic rays and in the field of gamma-ray astronomy as well future plans of the TAIGA-1 (Tunka Advanced Instrument for cosmic ray physics and Gamma Astronomy) project are presented. The TAIGA observatory addresses ground-based gamma-ray astronomy and astroparticle physics at energies from a few TeV to several PeV, as well as cosmic ray physics from 100 TeV to several EeV. The pilot TAIGA-1 complex is located in the Tunka valley, ~50 km west from the southern tip of the lake Baikal., Comment: Submission to SciPost Phys. Proc., 10 pages, 2 figures

Published
2022

5. Primary Cosmic Rays Energy Spectrum and Mean Mass Composition by the Data of the TAIGA Astrophysical Complex

Author

Prosin, V., Astapov, I., Bezyazeekov, P., Bonvech, E., Borodin, A., Bulan, A., Chiavassa, A., Chernov, D., Dyachok, A., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, O., Gress, E., Gress, T., Grinyuk, A., Grishin, O., Ivanova, A. D., Ivanova, A. L., Kalmykov, N., Kindin, V., Kiryuhin, S., Kokoulin, R., Komponiets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lavrova, M., Lemeshev, Y., Lubsandorzhiev, B., Lubsandorzhiev, N., Lukanov, A., Lukyantsev, D., Malakhov, S., Mirgazov, R., Monkhoev, R., Okuneva, E., Osipova, E., Pakhorukov, A., Pan, A., Panasenko, L., Pankov, L., Panov, A. D., Petrukhin, A., Poddubny, I., Podgrudkov, D., Poleschuk, V., Ponomareva, V., Popova, E., Postnikov, E., Ptuskin, V., Pushnin, A., Raikin, R., Razumov, A., Rubtsov, G., Ryabov, E., Sagan, Y., Samoliga, V., Silaev, A., Silaev Jr, A., Sidorenkov, A., Skurikhin, A., Sokolov, A., Sveshnikova, L., Tabolenko, V., Tanaev, A., Tarashchansky, B., Ternovoy, M. Y., Tkachev, L., Togoo, R., Ushakov, N., Vaidyanathan, A., Volchugov, P., Volkov, N., Voronin, D., Zagorodnikov, A., Zhaglova, A., Zhurov, D., and Yashin, I.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

The corrected dependence of the mean depth of the EAS maximum $X_{max}$ on the energy was obtained from the data of the Tunka-133 array for 7 years and the TAIGA-HiSCORE array for 2 years. The parameter $\langle\ln A\rangle$, characterizing the mean mass compositon was derived from these results. The differential energy spectrum of primary cosmic rays in the energy range of $2\cdot 10^{14}$ - $2\cdot 10^{16}$\,eV was reconstructed using the new parameter $Q_{100}$ the Cherenkov light flux at the core distance 100 m.}, Comment: 6 pages, 3 figures, Submitted to SciPost Phys.Proc

Published
2022

6. The Tunka-Grande scintillation array: current results

Author

Ivanova, A. L., Astapov, I., Bezyazeekov, P., Bonvech, E., Borodin, A., Budnev, N., Bulan, A., Chernov, D., Chiavassa, A., Dyachok, A., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, E., Gress, O., Gress, T., Grinyuk, A., Grishin, O., Ivanova, A. D., Kalmykov, N., Kindin, V., Kiryuhin, S., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lavrova, M., Lemeshev, Y., Lubsandorzhiev, B., Lubsandorzhiev, N., Lukanov, A., Lukyantsev, D., Malakhov, S., Mirgazov, R., Monkhoev, R., Osipova, E., Pakhorukov, A., Pankov, L., Pan, A., Panov, A., Petrukhin, A., Poddubnyi, I., Podgrudkov, D., Poleschuk, V., Ponomareva, V., Popova, E., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Razumov, A., Rubtsov, G., Ryabov, E., Sagan, Y., Samoliga, V., Satyshev, A., Silaev, A., Sidorenkov, A., Skurikhin, A., Sokolov, A., Sveshnikova, L., Tabolenko, V., Tkachev, L., Tanaev, A., Ternovoy, M., Togoo, R., Ushakov, N., Vaidyanathan, A., Volchugov, P., Volkov, N., Voronin, D., Zagorodnikov, A., Zhurov, D., and Yashin, I.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract

The Tunka-Grande experiment is a scintillation array with about 0.5 sq.km sensitive area at Tunka Valley, Siberia, for measuring charged particles and muons in extensive air showers (EASs). Tunka-Grande is optimized for cosmic ray studies in the energy range 10 PeV to about 1 EeV, where exploring the composition is of fundamental importance for understanding the transition from galactic to extragalactic origin of cosmic rays. This paper attempts to provide a synopsis of the current results of the experiment. In particular, the reconstruction of the all-particle energy spectrum in the range of 10 PeV to 1 EeV based on experimental data from four observation seasons is presented., Comment: 7 pages, 3 figures, submission to SciPost Phys. Proc

Published
2022

7. Status of the TAIGA Experiment: Gamma Astronomy

Author

Sveshnikova, L., Astapov, I., Bezyazykov, P., Blinov, A., Bonvech, E., Borodin, A., Budnev, N., Bulan, A., Vaidyanathan, A., Volkov, N., Volchugov, P., Voronin, D., Garmash, A., Gafarov, A., Grebenyuk, V., Gress, E., Gress, O., Gress, T., Grinyuk, A., Grishin, O., Dyachok, A., Zhurov, D., Zagorodnikov, A., Ivanova, A. L., Ilyushin, M., Kalmykov, N., Kindin, V., Kiryukhin, S., Kozhin, V., Kokoulin, R., Kolosov, N., Kompaniets, K., Korosteleva, E., Kravchenko, E., Kryukov, A., Kuzmichev, L., Chiavassa, A., Lavrova, M., Lagutin, A., Lemeshev, Yu., Lubsandorzhiev, B., Lubsandorzhiev, N., Mirgazov, R., Monkhoev, R., Okuneva, E., Osipova, E., Pan, A., Panov, A., Pankov, L., Pakhorukov, A., Petrukhin, A., Podgrudkov, D., Popova, E., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Razumov, A., Raikin, R., Rubtsov, G., Ryabov, E., Samoliga, V., Satyshev, I., Sidorenkov, A., Silaev, A., Silaev, Jr., A., Skurikhin, A., Sokolov, A., Tabolenko, V., Tanaev, A., Ternovoy, M., Tkachev, L., Ushakov, N., Chernov, D., Shipilov, D., and Yashin, I.

Published
2023
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8. Search for Astrophysical Nanosecond Optical Transients with TAIGA-HiSCORE Array

Author

Panov, A. D., Astapov, I. I., Awad, A. K., Beskin, G. M., Bezyazeekov, P. A., Blank, M., Bonvech, E. A., Borodin, A. N., Bruckner, M., Budnev, N. M., Bulan, A. V., Chernov, D. V., Chiavassa, A., Dyachok, A. N., Gafarov, A. R., Garmash, A. Yu., Grebenyuk, V. M., Gress, O. A., Gress, T. I., Grinyuk, A. A., Grishin, O. G., Horns, D., Ivanova, A. L., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kokoulin, R. P., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Krivopalova, A. A., Kuzmichev, L. A., Kryukov, A. P., Lagutin, A. A., Lavrova, M. V., Lemeshev, Yu., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Lukanov, A. D., Mirgazov, R. R., Mirzoyan, R., Monkhoev, R. D., Osipova, E. A., Pakhorukov, A. L., Pan, A., Pankov, L. V., Petrukhin, A. A., Podgrudkov, D. A., Poleschuk, V. A., Popova, E. G., Porelli, A., Postnikov, E. B., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Raikin, R. I., Razumov, A., Rjabov, E., Rubtsov, G. I., Sagan, Y. I., Samoliga, V. S., Sidorenkov, A. Yu., Silaev, A. A., Skurikhin, A. V., Satyshev, I., Sokolov, A. V., Suvorkin, Y., Sveshnikova, L. G., Tabolenko, V. A., Tanaev, A. B., Tarashansky, B. A., Ternovoy, M., Tkachev, L. G., Tluczykont, M., Ushakov, N., Vaidyanathan, A., Volchugov, P. A., Volkov, N. V., Voronin, D., Wischnewski, R., Yashin, I. I., Zagorodnikov, A. V., and Zhurov, D. P.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

A wide-angle Cerenkov array TAIGA-HiSCORE (FOV $\sim$0.6 sr), was originally created as a part of TAIGA installation for high-energy gamma-ray astronomy and cosmic ray physics. Array now consist on nearly 100 optical stations on the area of 1 km$^2$. Due to high accuracy and stability ($\sim$1 ns) of time synchronization of the optical stations the accuracy of EAS arrival direction reconstruction is reached 0.1$^\mathrm{o}$. It was proven that the array can also be used to search for nanosecond events of the optical range. The report discusses the method of searching for optical transients using the HiSCORE array and demonstrates its performance on a real example of detecting signals from an artificial Earth satellite. The search for this short flares in the HiSCORE data of the winter season 2018--2019 is carried out. One candidate for double repeater has been detected, but the estimated probability of random simulation of such a transient by background EAS events is not less than 10%, which does not allow us to say that the detected candidate corresponds to a real astrophysical transient. An upper bound on the frequency of optical spikes with flux density of more than $10^{-4} \mathrm{erg/s/cm}^2$ and a duration of more than 5\,ns is established as $\sim 2 \times 10^{-3}$ events/sr/hour., Comment: 15 pages, 6 figures, reported at the conference ISCRA-2021, Accepted for publication in Physics of Atomic Nuclei

Published
2021
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9. Detection of TeV Emission from the Crab Nebula Using the First Two IACTs in TAIGA in Stereo Mode of Observation

Author

Volchugov, P. A., Astapov, I. I., Bezyazeekov, P. A., Bonvech, E. A., Borodin, A., Budnev, N., Bulan, A. V., Chiavassa, A., Chernov, D. V., Dyachok, A., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, O., Gress, E., Gress, T., Grinyuk, A., Grishin, O., Ivanova, A. D., Ivanova, A. L., Ilushin, M., Kalmykov, N., Kindin, V., Kiryuhin, S., Kokoulin, R., Kolosov, N., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lavrova, M., Lemeshev, Y. E., Lubsandorzhiev, B., Lubsandorzhiev, N., Malakhov, S. D., Mirgazov, R., Monkhoev, R., Osipova, E., Okuneva, E., Pakhorukov, A., Pan, A., Pankov, L., Panov, A. D., Petrukhin, A., Podgrudkov, D. A., Popova, E., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Razumov, A. Y., Rubtsov, G., Ryabov, E., Samoliga, V., Satyshev, I., Silaev, A., Silaev (junior), A., Sidorenkov, A., Skurikhin, A., Sokolov, A., Sveshnikova, L., Tabolenko, V., Tanaev, A. A., Ternovoy, M. Y., Tkachev, L., Ushakov, N., Vaidyanathan, A., Volkov, N. V., Voronin, D., Zagorodnikov, A., Yashin, I., and Zhurov, D.

Published
2023
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10. The TAIGA—a Hybrid Detector Complex in Tunka Valley for Astroparticle Physics, Cosmic Ray Physics and Gamma-Ray Astronomy

Author

Astapov, I., Bezyazeekov, P., Bonvech, E., Borodin, A., Budnev, N., Bulan, A., Chernov, D., Chiavassa, A., Dyachok, A., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, E., Gress, O., Gress, T., Grinyuk, A., Grishin, O., Ivanova, A. D., Ivanova, A. L., Iliushin, M., Kalmykov, N., Kindin, V., Kiryuhin, S., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lavrova, M., Lemeshev, Y., Lubsandorzhiev, B., Lubsandorzhiev, N., Malakhov, S., Mirgazov, R., Monkhoev, R., Okuneva, E., Osipova, E., Pakhorukov, A., Pankov, L., Pan, A., Panov, A., Petrukhin, A., Podgrudkov, D., Popova, E., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Razumov, A., Rubtsov, G., Ryabov, E., Samoliga, V., Satyshev, I., Silaev, A., Silaev (junior), A., Sidorenkov, A., Skurikhin, A., Sokolov, A., Sveshnikova, L., Tabolenko, V., Tarashchansky, B., Tkachev, L., Tanaev, A., Ternovoy, M., Ushakov, N., Vaidyanathan, A., Volchugov, P., Volkov, N., Voronin, D., Zagorodnikov, A., Zhurov, D., and Yashin, I.

Published
2023
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11. Scintillation Experiment on the Study of Cosmic Rays and Gamma Fluxes in the Tunka Valley

Author

Ivanova, A. L., Astapov, I., Bezyazeekov, P., Bonvech, E., Borodin, A., Budnev, N., Bulan, A., Chernov, D., Chiavassa, A., Dyachok, A., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, E., Gress, O., Gress, T., Grinyuk, A., Grishin, O., Ivanova, A. D., Iliushin, M., Kalmykov, N., Kindin, V., Kiryuhin, S., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lavrova, M., Lagutin, A., Lemeshev, Y., Lubsandorzhiev, B., Lubsandorzhiev, N., Malakhov, S., Mirgazov, R., Monkhoev, R., Okuneva, E., Osipova, E., Pakhorukov, A., Pankov, L., Pan, A., Panov, A., Petrukhin, A., Podgrudkov, D., Popova, E., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Razumov, A., Rubtsov, G., Ryabov, E., Samoliga, V., Satyshev, I., Silaev (junior), A., Sidorenkov, A., Skurikhin, A., Sokolov, A., Sveshnikova, L., Tabolenko, V., Tarashchansky, B., Tkachev, L., Tanaev, A., Ternovoy, M., Ushakov, N., Vaidyanathan, A., Volchugov, P., Volkov, N., Voronin, D., Zagorodnikov, A., Zhurov, D., and Yashin, I.

Published
2023
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12. Energy Spectrum of Gamma Rays from the Crab Nebula, According to Data from the TAIGA Astrophysical Complex

Author

Sveshnikova, L. G., Volchugov, P. A., Postnikov, E. B., Astapov, I. I., Bezyazeekov, P. A., Bonvech, E. A., Borodin, A. N., Budnev, N. M., Bulan, A. V., Vaidyanathan, A. A., Volkov, N. V., Voronin, D. M., Gafarov, A. R., Gress, E. O., Gress, O. A., Gress, T. I., Grishin, O. G., Garmash, A. Yu., Grebenyuk, V. M., Grinyuk, A. A., Dyachok, A. N., Zhurov, D. P., Zagorodnikov, A. V., Ivanova, A. D., Ivanova, A. L., Iliushin, M. A., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kokoulin, R. P., Kolosov, N. I., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kryukov, A. P., Kuzmichev, L. A., Chiavassa, A., Lagutin, A. A., Lavrova, M. V., Lemeshev, Yu. E., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Malakhov, S. D., Mirgazov, R. R., Monkhoev, R. D., Okuneva, E. A., Osipova, E. A., Panov, A. D., Pakhorukov, A. L., Pan, A., Pankov, L. V., Petrukhin, A. A., Podgrudkov, D. A., Popova, E. G., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Razumov, A. V., Raikin, R. I., Rubtsov, G. I., Ryabov, E. V., Samoliga, V. S., Satyshev, I., Silaev, A. A., Silaev, Jr., A. A., Sidorenkov, A. Yu., Skurikhin, A. V., Sokolov, A. V., Tabolenko, V. A., Tanaev, A. B., Tarashansky, B. A., Ternovoy, M. Yu., Tkachev, L. G., Ushakov, N. A., Chernov, D. V., and Yashin, I. I.

Published
2023
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13. Main Results from the TUNKA-GRANDE Experiment

Author

Monkhoev, R. D., Astapov, I. I., Bezyazeekov, P. A., Bonvech, E. A., Borodin, A. N., Budnev, N. M., Bulan, A. V., Vaidyanathan, A., Volkov, N. V., Volchugov, P. A., Voronin, D. M., Gafarov, A. R., Garmash, A. Yu., Grebenyuk, V. M., Gress, E. O., Gress, O. A., Gress, T. I., Grinyuk, A. A., Grishin, O. G., Dyachok, A. N., Zhurov, D. P., Zagorodnikov, A. V., Ivanova, A. D., Ivanova, A. L., Iliushin, M. A., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kokoulin, R. P., Kolosov, N. I., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kryukov, A. P., Kuzmichev, L. A., Chiavassa, A., Lagutin, A. A., Lavrova, M. V., Lemeshev, Yu. E., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Malakhov, S. D., Mirgazov, R. R., Okuneva, E. A., Osipova, E. A., Pakhorukov, A. L., Pan, A., Panov, A. D., Pankov, L. V., Petrukhin, A. A., Podgrudkov, D. A., Popova, E. G., Postnikov, E. B., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Razumov, A. Yu., Raikin, R. I., Rubtsov, G. I., Rjabov, E. V., Samoliga, V. S., Satyshev, I., Silaev, A. A., Silaev Jr., A. A., Sidorenkov, A. Yu., Skurikhin, A. V., Sokolov, A. V., Sveshnikova, L. G., Tabolenko, V. A., Tanaev, A. B., Tarashansky, B. A., Ternovoy, M. Yu., Tkachev, L. G., Ushakov, N. A., Chernov, D. V., and Yashin, I. I.

Published
2023
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14. Energy Spectrum of Primary Cosmic Rays According to the Data of the TAIGA Astrophysical Complex

Author

Prosin, V. V., Astapov, I. I., Bezyazeekov, P. A., Bonvech, E. A., Borodin, A. N., Budnev, N. M., Bulan, A. V., Chernov, D. V., Chiavassa, A., Dyachok, A. N., Gafarov, A. R., Garmash, A. Yu., Grebenyuk, V. M., Gress, E. O., Gress, O. A., Gress, T. I., Grinyuk, A. A., Grishin, O. G., Iliushin, M. A., Ivanova, A. D., Ivanova, A. L., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kokoulin, R. P., Kolosov, N. I., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kryukov, A. P., Kuzmichev, L. A., Lagutin, A. A., Lavrova, M. V., Lemeshev, Yu. E., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Malakhov, S. D., Mirgazov, R. R., Monkhoev, R. A., Okuneva, E. A., Osipova, E. A., Pakhorukov, A. L., Pan, A., Panov, A. D., Pankov, L. V., Petrukhin, A. A., Podgrudkov, D. A., Popova, E. G., Postnikov, E. B., Ptuskin, V. S., Pushnin, A. A., Raikin, R. I., Razumov, A. V., Rjabov, E. V., Rubtsov, G. I., Samoliga, V. S., Satyshev, I., Sidorenkov, A. Yu., Silaev, A. A., Silaev, Jr., A. A., Skurikhin, A. V., Sokolov, A. V., Sveshnikova, L. G., Tabolenko, V. A., Tanaev, A. B., Tarashansky, B. A., Ternovoy, M. Yu., Tkachev, L. G., Ushakov, N. A., Vaidyanathan, A., Volkov, N. V., Volchugov, P. A., Voronin, D. M., Yashin, I. I., Zagorodnikov, A. V., and Zhurov, D. P.

Published
2023
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15. An extensive-air-shower-like event registered with the TUS orbital detector

Author

Khrenov, B. A., Garipov, G. K., Kaznacheeva, M. A., Klimov, P. A., Panasyuk, M. I., Petrov, V. L., Sharakin, S. A., Shirokov, A. V., Yashin, I. V., Zotov, M. Yu., Grinyuk, A. A., Grebenyuk, V. M., Lavrova, M. V., Tkachev, L. G., Tkachenko, A. V., Saprykin, O. A., Botvinko, A. A., Senkovsky, A. N., Puchkov, A. E., and Bertaina, M.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

TUS (Tracking Ultraviolet Set-up) is the world's first orbital detector of ultra-high-energy cosmic rays (UHECRs). It was launched into orbit on 28th April 2016 as a part of the scientific payload of the Lomonosov satellite. The main aim of the mission was to test the technique of measuring the ultraviolet fluorescence and Cherenkov radiation of extensive air showers generated by primary cosmic rays with energies above ~100 EeV in the Earth atmosphere from space. During its operation for 1.5 years, TUS registered almost 80,000 events with a few of them satisfying conditions anticipated for extensive air showers (EASs) initiated by UHECRs. Here we discuss an event registered on 3rd October 2016. The event was measured in perfect observation conditions as an ultraviolet track in the nocturnal atmosphere of the Earth, with the kinematics and the light curve similar to those expected from an EAS. A reconstruction of parameters of a primary particle gave the zenith angle around 44$^\circ$ but an extreme energy not compatible with the cosmic ray energy spectrum obtained with ground-based experiments. We discuss in details all conditions of registering the event, explain the reconstruction procedure and its limitations and comment on possible sources of the signal, both of anthropogenic and astrophysical origin. We believe this detection represents a significant milestone in the space-based observation of UHECRs because it proves the capability of an orbital telescope to detect light signals with the apparent motion and light shape similar to what are expected from EASs. This is important for the on-going development of the future missions KLYPVE-EUSO and POEMMA, aimed for studying UHECRs from space., Comment: 24 pages; v2: important changes to address comments by the anonymous referee; main conclusions unchanged

Published
2019
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16. Tunka Advanced Instrument for cosmic rays and Gamma Astronomy

Author

Kostunin, D., Astapov, I., Bezyazeekov, P., Borodin, A., Budnev, N., Brückner, M., Chiavassa, A., Dyachok, A., Fedorov, O., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, O., Gress, T., Grishin, O., Grinyuk, A., Haungs, A., Horns, D., Huege, T., Ivanova, A., Kalmykov, N., Kazarina, Y., Kindin, V., Kirilenko, P., Kiryuhin, S., Kleifges, M., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kuzmichev, A. Kryukov L., Lemeshev, Yu., Lagutin, A., Lenok, V., Lubsandorzhiev, B., Lubsandorzhiev, N., Marshalkina, T., Mirgazov, R., Mirzoyan, R., Monkhoev, R., Osipova, E., Pakhorukov, A., Pan, A., Panasyuk, M., Pankov, L., Petrukhin, A., Poleschuk, V., Popescu, M., Popova, E., Porelli, A., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Ryabov, E., Rubtsov, G., Sagan, Y., Sabirov, B., Samoliga, V., Semeney, Yu., Schröder, F. G., Silaev, A., Sidorenkov, A., Skurikhin, A., Slunecka, V., Sokolov, A., Spiering, C., Sveshnikova, L., Tabolenko, V., Tarashansky, B., Tkachev, L., Tluczykont, M., Ushakov, N., Volchugov, A. Vaidyanathan P., Voronin, D., Wischnewski, R., Zagorodnikov, A., Zhurov, D., Zurbanov, V., and Yashin, I.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The paper is a script of a lecture given at the ISAPP-Baikal summer school in 2018. The lecture gives an overview of the Tunka Advanced Instrument for cosmic rays and Gamma Astronomy (TAIGA) facility including historical introduction, description of existing and future setups, and outreach and open data activities., Comment: Lectures given at the ISAPP-Baikal Summer School 2018: Exploring the Universe through multiple messengers, 12-21 July 2018, Bol'shie Koty, Russia

Published
2019
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17. Secondary cosmic rays in the NUCLEON space experiment

Author

Grebenyuk, V., Karmanov, D., Kovalev, I., Kudryashov, I., Kurganov, A., Panov, A., Podorozhny, D., Tkachenko, A., Tkachev, L., Turundaevskiy, A., Vasiliev, O., and Voronin, A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

The NUCLEON space observatory is a direct cosmic ray spectrometer designed to study cosmic ray nuclei with $Z=1-30$ at energies $10^{12}-10^{15}$ eV. It was launched as an additional payload onboard the Russian Resource-P No. 2 satellite. In this work B/C, N/O and subFe/Fe ratios are presented. The experiment has worked for half of its expected time, so the data have preliminary status, but they already give clear indications of several astrophysical phenomena, which are briefly discussed in this paper.

Published
2018
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18. Cosmic ray Nickel nuclei spectrum by the NUCLEON experiment

Author

Grebenyuk, V., Karmanov, D., Kovalev, I., Kudryashov, I., Kurganov, A., Panov, A., Podorozhny, D., Tkachenko, A., Tkachev, L., Turundaevskiy, A., Vasiliev, O., and Voronin, A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The NUCLEON experiment is designed to measure chemical composition of cosmic rays with charges from Z=1 to 30 in an energy region from 5*10^11 to 10^15 eV. In this article the data analysis algorithm and spectra of Ni and Fe nuclei, measured in the NUCLEON experiment, are presented.

Published
2018

19. A new universal cosmic-ray knee near the magnetic rigidity 10 TV with the NUCLEON space observatory

Author

Atkin, E., Bulatov, V., Dorokhov, V., Gorbunov, N., Filippov, S., Grebenyuk, V., Karmanov, D., Kovalev, I., Kudryashov, I., Kurganov, A., Merkin, M., Panov, A., Podorozhny, D., Polkov, D., Porokhovoy, S., Shumikhin, V., Tkachenko, A., Tkachev, L., Turundaevskiy, A., Vasiliev, O., and Voronin, A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

Data from the NUCLEON space observatory give a strong indication of the existence of a new universal cosmic ray "knee", which is observed in all groups of nuclei, including heavy nuclei, near a magnetic rigidity of about 10\,TV. Universality means the same position of the knee in the magnetic rigidity scale for all groups of nuclei. The knee is observed by both methods of measurement of particles energy implemented in the NUCLEON observatory---the calorimetric method and the kinematic method KLEM. This new cosmic ray "knee" is probably connected with the limit of acceleration of cosmic rays by some generic or nearby source of cosmic rays., Comment: 12 pages, 4 figures, 4 pages of Supplemental material (pictures). References improved

Published
2018
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20. TAIGA—A hybrid array for high energy gamma-ray astronomy and cosmic-ray physics

Author

Budnev, N., Astapov, I., Bezyazeekov, P., Bonvech, E., Borodin, A., Bulan, A., Chiavassa, A., Chernov, D., Dyachok, A., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, O., Gress, E., Gress, T., Grinyuk, A., Grishin, O., Ivanova, A.D., Ivanova, A.L., Kalmykov, N., Kindin, V., Kiryuhin, S., Kokoulin, R., Komponiets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lavrova, M., Lemeshev, Y., Lubsandorzhiev, B., Lubsandorzhiev, N., Lukanov, A., Lukyantsev, D., Malakhov, S., Mirgazov, R., Monkhoev, R., Okuneva, E., Osipova, E., Pakhorukov, A., Pan, A., Panasenko, L., Pankov, L., Panov, A.D., Petrukhin, A., Poddubny, I., Podgrudkov, D., Poleschuk, V., Ponomareva, V., Popova, E., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Razumov, A., Rubtsov, G., Ryabov, E., Sagan, Y., Samoliga, V., Silaev, A., Silaev, A., Junior, Sidorenkov, A., Skurikhin, A., Sokolov, A., Sveshnikova, L., Tabolenko, V., Tanaev, A., Tarashchansky, B., Ternovoy, M.Y., Tkachev, L., Togoo, R., Ushakov, N., Vaidyanathan, A., Volchugov, P., Volkov, N., Voronin, D., Zagorodnikov, A., Zhaglova, A., Zhurov, D., and Yashin, I.

Published
2022
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22. Cosmic-Ray Research at the TAIGA Astrophysical Facility: Results and Plans

Author

Astapov, I. I., Bezyazeekov, P. A., Blank, M., Bonvech, E. A., Borodin, A. N., Brückner, M., Budnev, N. M., Bulan, A. V., Vaidyanathan, A., Vishnevsky, R., Volkov, N. V., Volchugov, P. A., Voronin, D. M., Gafarov, A. R., Gress, O. A., Gress, T. I., Grishin, O. G., Garmash, A. Yu., Grebenyuk, V. M., Grinyuk, A. A., Dyachok, A. N., Zhurov, D. P., Zagorodnikov, A. V., Ivanova, A. L., Kalmykov, N. N., Kindin, V. V., Kiryukhin, S. N., Kokoulin, R. P., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kryukov, A. P., Kuzmichev, L. A., Chiavassa, A., Lagutin, A. A., Lavrova, M. V., Lemeshev, Yu. E., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Mirgazov, R. R., Mirzoyan, R., Monkhoev, R. D., Osipova, E. A., Pakhorukov, A. L., Pan, A., Panasyuk, M. I., Pankov, L. V., Petrukhin, A. A., Podgrudkov, D. A., Poleshchuk, V. A., Popova, E. G., Porelli, A., Postnikov, E. B., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Razumov, A. V., Raikin, R. I., Rubtsov, G. I., Ryabov, E. V., Sagan, Ya. I., Samoliga, V. S., Satyshev, I., Silaev, A. A., Silayev, Jr., A. A., Sidorenkov, A. Yu., Skurikhin, A. V., Sokolov, A. V., Sveshnikova, L. G., Suvorkin, Ya. V., Tabolenko, V. A., Tanaev, A. B., Tarashchansky, B. A., Ternovoi, M. Yu., Tkachev, L. G., Tluczykont, M., Ushakov, N. A., Horns, D., Chernov, D. V., and Yashin, I. I.

Published
2022
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23. Search for extreme energy cosmic ray candidates in the TUS orbital experiment data

Author

Biktemerova, S. V., Botvinko, A. A., Chirskaya, N. P., Eremeev, V. E., Garipov, G. K., Grebenyuk, V. M., Grinyuk, A. A., Jeong, S., Kalmykov, N. N., Kaznacheeva, M. A., Khrenov, B. A., Kim, M., Klimov, P. A., Lavrova, M. V., Lee, J., Martinez, O., Panasyuk, M. I., Park, I. H., Petrov, V. L., Ponce, E., Puchkov, A. E., Salazar, H., Saprykin, O. A., Senkovsky, A. N., Sharakin, S. A., Shirokov, A. V., Tkachenko, A. V., Tkachev, L. G., Yashin, I. V., and Zotov, M. Yu.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract

TUS (Track Ultraviolet Setup) is the first space experiment aimed to check the possibility of registering extreme energy cosmic rays (EECRs) at E>50 EeV by measuring the fluorescence signal of extensive air showers in the atmosphere. The detector operates as a part of the scientific payload of the Lomonosov satellite for more than a year. We describe an algorithm of searching for EECR events in the TUS data and briefly discuss a number of candidates selected by formal criteria., Comment: 13 pages

Published
2017

24. The TUS detector of extreme energy cosmic rays on board the Lomonosov satellite

Author

Klimov, P. A., Panasyuk, M. I., Khrenov, B. A., Garipov, G. K., Kalmykov, N. N., Petrov, V. L., Sharakin, S. A., Shirokov, A. V., Yashin, I. V., Zotov, M. Yu., Biktemerova, S. V., Grinyuk, A. A., Grebenyuk, V. M., Lavrova, M. V., Tkachev, L. G., Tkachenko, A. V., Park, I. H., Lee, J., Jeong, S., Martinez, O., Salazar, H., Ponce, E., Saprykin, O. A., Botvinko, A. A., Senkovsky, A. N., and Puchkov, A. E.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The origin and nature of extreme energy cosmic rays (EECRs), which have energies above the 50 EeV, the Greisen-Zatsepin-Kuzmin (GZK) energy limit, is one of the most interesting and complicated problems in modern cosmic-ray physics. Existing ground-based detectors have helped to obtain remarkable results in studying cosmic rays before and after the GZK limit, but have also produced some contradictions in our understanding of cosmic ray mass composition. Moreover, each of these detectors covers only a part of the celestial sphere, which poses problems for studying the arrival directions of EECRs and identifying their sources. As a new generation of EECR space detectors, TUS (Tracking Ultraviolet Set-up), KLYPVE and JEM-EUSO, are intended to study the most energetic cosmic-ray particles, providing larger, uniform exposures of the entire celestial sphere. The TUS detector, launched on board the Lomonosov satellite on April 28, 2016, from Vostochny Cosmodrome in Russia, is the first of these. It employs a single-mirror optical system and a photomultiplier tube matrix as a photo-detector and will test the fluorescent method of measuring EECRs from space. Utilizing the Earth's atmosphere as a huge calorimeter, it is expected to detect EECRs with energies above 100 EeV. It will also be able to register slower atmospheric transient events: atmospheric fluorescence in electrical discharges of various types including precipitating electrons escaping the magnetosphere and from the radiation of meteors passing through the atmosphere. We describe the design of the TUS detector and present results of different ground-based tests and simulations., Comment: 19 pages; v2: figures 6 and 9 replaced to match the published version

Published
2017
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25. First results from the TUS orbital detector in the extensive air shower mode

Author

Khrenov, B. A., Klimov, P. A., Panasyuk, M. I., Sharakin, S. A., Tkachev, L. G., Zotov, M. Yu., Biktemerova, S. V., Botvinko, A. A., Chirskaya, N. P., Eremeev, V. E., Garipov, G. K., Grebenyuk, V. M., Grinyuk, A. A., Jeong, S., Kalmykov, N. N., Kim, M., Lavrova, M. V., Lee, J., Martinez, O., Park, I. H., Petrov, V. L., Ponce, E., Puchkov, A. E., Salazar, H., Saprykin, O. A., Senkovsky, A. N., Shirokov, A. V., Tkachenko, A. V., and Yashin, I. V.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

TUS (Tracking Ultraviolet Set-up), the first orbital detector of extreme energy cosmic rays (EECRs), those with energies above 50 EeV, was launched into orbit on April 28, 2016, as a part of the Lomonosov satellite scientific payload. The main aim of the mission is to test a technique of registering fluorescent and Cherenkov radiation of extensive air showers generated by EECRs in the atmosphere with a space telescope. We present preliminary results of its operation in a mode dedicated to registering extensive air showers in the period from August 16, 2016, to November 4, 2016. No EECRs have been conclusively identified in the data yet, but the diversity of ultraviolet emission in the atmosphere was found to be unexpectedly rich. We discuss typical examples of data obtained with TUS and their possible origin. The data is important for obtaining more accurate estimates of the nocturnal ultraviolet glow of the atmosphere, necessary for successful development of more advanced orbital EECR detectors including those of the KLYPVE (K-EUSO) and JEM-EUSO missions., Comment: 18 pages; v2: references fixed; v3: minor changes to address referee's comments

Published
2017
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26. First results of the Lomonosov TUS and GRB experiments

Author

Biktemerova, S. V., Bogomolov, A. V., Bogomolov, V. V., Botvinko, A. A., Castro-Tirado, A. J., Gorbovskoy, E. S., Chirskaya, N. P., Eremeev, V. E., Garipov, G. K., Grebenyuk, V. M., Grinyuk, A. A., Iyudin, A. F., Jeong, S., Jeong, H. M., Jioeva, N. L., Kazarjan, P. S., Kalmykov, N. N., Kaznacheeva, M. A., Khrenov, B. A., Kim, M. B., Klimov, P. A., Kuznetsova, E. A., Lavrova, M. V., Lee, J., Lipunov, V. M., Martinez, O., Mjagkova, I. N., Panasyuk, M. I., Park, I. H., Petrov, V. L., Ponce, E., Puchkov, A. E., Salazar, H., Saprykin, O. A., Senkovsky, A. N., Sharakin, S. A., Shirokov, A. V., Svertilov, S. I., Tkachenko, A. V., Tkachev, L. G., Yashin, I. V., and Zotov, M. Yu.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

On April 28, 2016, the Lomonosov satellite, equipped with a number of scientific instruments, was launched into orbit. Here we present briefly some of the results obtained with the first orbital telescope of extreme energy cosmic rays TUS and by a group of detectors aimed at multi-messenger observations of gamma-ray bursts., Comment: XXV ECRS 2016 Proceedings - eConf C16-09-04.3

Published
2017

27. First results of the cosmic ray NUCLEON experiment

Author

Atkin, E., Bulatov, V., Dorokhov, V., Gorbunov, N., Filippov, S., Grebenyuk, V., Karmanov, D., Kovalev, I., Kudryashov, I., Kurganov, A., Merkin, M., Panov, A., Podorozhny, D., Polkov, D., Porokhovoy, S., Shumikhin, V., Sveshnikova, L., Tkachenko, A., Tkachev, L., Turundaevskiy, A., Vasiliev, O., and Voronin, A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The NUCLEON experiment was designed to study the chemical composition and energy spectra of galactic cosmic ray nuclei from protons to zinc at energies of $\sim10^{11}$--$10^{15}$\,eV per particle. The research was carried out with the NUCLEON scientific equipment installed on the Russian satellite "Resurs-P" No.\,2 as an additional payload. This article presents the results for the measured nuclei spectra related to the first approximately 250 days of the scientific data collection during 2015 and 2016. The all-particle spectrum and the spectra of p, He, C, O, Ne, Mg, Si and Fe are presented. Some interesting ratios of the spectra are also presented and discussed. The experiment is now in its beginning stage and the data still have a preliminary character, but they already give numerous indications of the existence of various non-canonical phenomena in the physics of cosmic rays, which are expressed in the violation of a simple universal power law of the energy spectra. These features of the the data are briefly discussed., Comment: 14 pages, 16 figures, preprint for JCAP. V2 mathces the published version of the paper

Published
2017
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28. Astroclimate of the High Mountain Plains of the Greater Altai, According to Satellite Remote Sensing Data: Potential for Deploying a Full-Scale Gamma Astronomy Experiment

Author

Mordvin, E. Yu., Volkov, N. V., Revyakin, A. I., Togoo, R., Astapov, I. I., Bezyazeekov, P. A., Blank, M., Bonvech, E. A., Borodin, A. N., Bruchner, M., Budnev, N. M., Bulan, A., Vaidyanathan, A., Wischnewski, R., Volchugov, P. A., Voronin, D. M., Garmash, A. Yu., Gafarov, A. R., Grebenyuk, V. M., Gress, O. A., Gress, T. I., Grinyuk, A. A., Grishin, O. G., Dyachok, A. N., Zhurov, D. P., Zagorodnikov, A. V., Ivanova, A. L., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kokoulin, R. P., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kryukov, A. P., Kuzmichev, L. A., Chiavassa, A., Lagutin, A. A., Lemeshev, Yu. E., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Mirgazov, R. R., Mirzoyan, R., Monkhoev, R. D., Osipova, E. A., Pakhorukov, A. L., Pan, A., Panasyuk, M. I., Pankov, L. V., Petrukhin, A. A., Podgrudkov, D. A., Poleschuk, V. A., Popescu, M., Popova, E. G., Porelli, A., Postnikov, E. B., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Raikin, R. I., Rubtsov, G. I., Ryabov, E. V., Sagan, Y. I., Samoliga, V. S., Sveshnikova, L. G., Silaev, A. A., Silaev, Jr., A. A., Sidorenkov, A. Yu., Skurikhin, A. V., Slunecka, M., Sokolov, A. V., Suvorkin, Ya. V., Tabolenko, V. A., Tanaev, A. B., Tarashansky, B. A., Ternovoy, M. Yu., Tkachev, L. G., Tluczykont, M., Ushakov, N. A., Horns, D., Chernov, D. V., and Yashin, I. I.

Published
2022
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29. Energy Spectrum and Mass Composition of Cosmic Rays from the Data of the Astrophysical Complex TAIGA

Author

Prosin, V., Astapov, I., Bezyazeekov, P., Borodin, A., Brückner, M., Budnev, N., Bulan, A., Chiavassa, A., Dyachok, A., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, O., Gress, T., Grinyuk, A., Grishin, O., Horns, D., Ivanova, A., Kalmykov, N., Kindin, V., Kiryuhin, S., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lavrova, M., Lemeshev, Yu., Lubsandorzhiev, B., Lubsandorzhiev, N., Mirgazov, R., Mirzoyan, R., Monkhoev, R., Osipova, E., Pakhorukov, A., Pan, A., Pankov, L., Poleschuk, V., Popesku, M., Popova, E., Porelli, A., Postnikov, E., Ptuskin, V., Petrukhin, A., Pushnin, A., Raikin, R., Rjabov, E., Rubtsov, G., Sagan, Y., Samoliga, V., Sidorenkov, A., Silaev, A., Silaev, Jr., A., Skurikhin, A., Slunecka, M., Sokolov, A., Sveshnikova, L., Suvorkin, Y., Tabolenko, V., Tanaev, A., Tarashansky, B., Ternovoy, M., Tkachev, L., Tluczykont, M., Ushakov, N., Vaidyanathan, A., Volchugov, P., Voronin, D., Wischnewski, R., Yashin, I., Zagorodnikov, A., and Zhurov, D.

Published
2021
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31. Status and First Results of TAIGA

Author

Tluczykont, M., Astapov, I. I., Awad, A. K., Bezyazeekov, P. A., Blank, M., Bonvech, E. A., Borodin, A. N., Bulan, A. V., Brückner, M., Budnev, N. M., Chiavassa, A., Chernov, D. V., Dyachok, A. N., Gafarov, A. R., Garmash, A. Yu., Grebenyuk, V. M., Gress, O. A., Gress, E., Gress, T. I., Grishin, O. G., Grinyuk, A. A., Horns, D., Ivanova, A. L., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kokoulin, R. P., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kryukov, A. P., Kuzmichev, L. A., Lagutin, A. A., Lavrova, M., Lemeshev, Yu. E., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Lukanov, A. D., Lukyantsev, D. S., Mirgazov, R. R., Mirzoyan, R., Monkhoev, R. D., Osipova, E. A., Pakhorukov, A. L., Pan, A., Panasenko, L. A., Pankov, L. V., Panov, A. D., Petrukhin, A. A., Podgrudkov, D. A., Poleschuk, V. A., Popova, E. G., Porelli, A., Postnikov, E. B., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Raikin, R. I., Razumov, A. Y., Rubtsov, G. I., Ryabov, E. V., Sagan, Y. I., Samoliga, V. S., Semeney, Yu. A., Silaev, A. A., Silaev, Jr., A. A., Sidorenkov, A. Yu., Skurikhin, A. V., Slunecka, M., Sokolov, A. V., Suvorkin, Y., Sveshnikova, L. G., Tabolenko, V. A., Tanaev, A. B., Tarashansky, B. A., Ternovoy, M., Tkachev, L. G., Ushakov, N., Vaidyanathan, A., Volchugov, P. A., Volkov, N. V., Voronin, D., Wischnewski, R., Yashin, I. I., Zagorodnikov, A. V., and Zhurov, D. P.

Published
2021
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32. Cosmic Ray Study at the Astrophysical Complex TAIGA: Results and Plans

Author

Kuzmichev, L. A., Astapov, I. I., Bezyazeekov, P. A., Blank, M., Bonvech, E. A., Borodin, A. N., Brueckner, M., Budnev, N. M., Bulan, A. V., Chernov, D. V., Chiavassa, A., Dyachok, A. N., Gafarov, A. R., Garmash, A. Yu., Grebenyuk, V. M., Gress, O. A., Gress, T. I., Grinyuk, A. A., Grishin, O. G., Horns, D., Ivanova, A. L., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kokoulin, R. P., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kryukov, A. P., Lagutin, A. A., Lavrova, M. V., Lemeshev, Yu., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Lukanov, A. D., Lukyantsev, D., Mirgazov, R. R., Mirzoyan, R., Monkhoev, R. D., Osipova, E. A., Pakhorukov, A. L., Pan, A., Pankov, L. V., Panov, A. D., Petrukhin, A. A., Podgrudkov, D. A., Poleschuk, V. A., Popova, E. G., Porelli, A., Postnikov, E. B., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Raikin, R. I., Razumov, A., Rjabov, E., Rubtsov, G. I., Sagan, Y. I., Samoliga, V. S., Sidorenkov, A. Yu., Silaev, A. A., Silaev, Jr., A. A., Skurikhin, A. V., Slunecka, M., Sokolov, A. V., Suvorkin, Y., Sveshnikova, L. G., Tabolenko, V. A., Tanaev, A. B., Tarashansky, B. A., Ternovoy, M., Tkachev, L. G., Tluczykont, M., Ushakov, N., Vaidyanathan, A., Volchugov, P. A., Volkov, N. V., Voronin, D., Wischnewski, R., Yashin, I. I., Zagorodnikov, A. V., and Zhurov, D. P.

Published
2021
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33. TAIGA—An Innovative Hybrid Array for High Energy Gamma Astronomy, Cosmic Ray Physics and Astroparticle Physics

Author

Budnev, N., Astapov, I., Bezyazeekov, P., Bonvech, E., Borodin, A., Brückner, M., Bulan, A., Chernov, D., Chiavassa, A., Dyachok, A., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, O., Gress, T., Grinyuk, A., Grishin, O., Horns, D., Ivanova, Al., Ivanova, A., Kalmykov, N., Kindin, V., Kiryuhin, S., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kotovschikov, I., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lemeshev, Yu., Lubsandorzhiev, B., Lubsandorzhiev, N., Lukyantsev, D., Mirgazov, R., Mirzoyan, R., Monkhoev, R., Osipova, E., Pakhorukov, A., Pan, A., Panasyuk, M., Pankov, L., Podgrudkov, D., Poleschuk, V., Popova, E., Porelli, A., Postnikov, E., Prosin, V., Ptuskin, V., Petrukhin, A., Pushnin, A., Raikin, R., Rjabov, E., Rubtsov, G., Sagan, Y., Samoliga, V., Sidorenkov, A., Silaev, A., Silaev, Jr., A., Skurikhin, A., Slunecka, M., Sokolov, A., Sveshnikova, L., Suvorkin, Y., Tabolenko, V., Tanaev, A., Tarashansky, B., Ternovoy, M., Tkachev, L., Tluczykont, M., Togoo, R., Ushakov, N., Volchugov, P., Voronin, D., Wischnewski, R., Yashin, I., Zagorodnikov, A., Zhaglova, A., and Zhurov, D.

Published
2021
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34. Detecting Gamma Rays with Energies Greater than 3–4 ТeV from the Crab Nebula and Blazar Markarian 421 by Imaging Atmospheric Cherenkov Telescopes in the TAIGA Experiment

Author

Sveshnikova, L. G., Astapov, I. I., Bezyazeekov, P. A., Blank, M., Borodin, A. N., Brückner, M., Budnev, N. M., Bulan, A., Vaidyanathan, A., Wischnewski, R., Volchugov, P., Voronin, D., Gafarov, A. R., Garmash, A. Yu., Grebenyuk, V. M., Gress, O. A., Gress, T. I., Grinyuk, A. A., Grishin, O. G., Dyachok, A. N., Zhurov, D. P., Zagorodnikov, A. V., Ivanova, A. L., Kalmykov, N. N., Kindin, V. V., Kiryukhin, S. N., Kozhin, V. A., Kokoulin, R. P., Kompaniets, K. G., Korosteleva, E. E., Kravchenko, E. A., Kryukov, A. P., Kuzmichev, L. A., Chiavassa, A., Lavrova, M., Lagutin, A. A., Lemeshev, Yu., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Mirgazov, R. R., Mirzoyan, R., Monkhoev, R. D., Osipova, E. A., Pan, A., Panasyuk, M. I., Pankov, L. V., Pakhorukov, A. L., Petrukhin, A. A., Poleschuk, V. A., Popesku, M., Popova, E. G., Porelli, A., Postnikov, E. B., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Raikin, R. I., Rubtsov, G. I., Rjabov, E. V., Sagan, Ya. I., Samoliga, V. S., Sidorenkov, A. Yu., Silaev, A. A., Silaev, Jr., A. A., Skurikhin, A. V., Slunecka, M., Sokolov, A. V., Suvorkin, Ya., Tabolenko, V. A., Tanaev, A., Tarashansky, B. A., Ternovoy, M., Tkachev, L. G., Tluczykont, M., Ushakov, N., Horns, D., and Yashin, I. I.

Published
2021
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35. First Results from Operating a Prototype Wide-Angle Telescope for the TAIGA Installation

Author

Podgrudkov, D. A., Bonvech, E. A., Vaiman, I. V., Chernov, D. V., Astapov, I. I., Bezyazeekov, P. A., Blank, M., Borodin, A. N., Brückner, M., Budnev, N. M., Bulan, A. V., Vaidyanathan, A., Wischnewski, R., Volchugov, P. A., Voronin, D. M., Gafarov, A. R., Gress, O. A., Gress, T. I., Grishin, O. G., Garmashi, A. Yu., Grebenyuk, V. M., Grinyuk, A. V., Dyachok, A. N., Zhurov, D. P., Zagorodnikov, A. V., Ivanova, A. L., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kokoulin, R. L., Kompaniets, K. G., Korosteleva, E. E., Kozhin, V. A., Kravchenko, E. A., Kryukov, A. P., Kuzmichev, L. A., Chiavassa, A., Lavrova, M., Lagutin, A. A., Lemeshev, Yu. E., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Mirgazov, R. R., Mirzoyan, R., Monkhoev, R. D., Osipova, E. A., Pakhorukov, A. L., Pan, A., Panasyuk, M. I., Pankov, L. V., Petrukhin, A. A., Poleschuk, V. A., Popesku, M., Popova, E. G., Porelli, A., Postnikov, E. B., Prosin, V. V., Ptuskin, V. S., Pushnin, A. A., Raikin, R. I., Rubtsov, G. I., Ryabov, E. V., Sagan, Ya. I., Samoliga, V. S., Silaev, A. A., Silaev, Jr., A. A., Sidorenkov, A. Yu., Skurikhin, A. V., Slunecka, M., Sokolov, A. V., Sveshnikova, L. G., Suvorkin, Ya. V., Tabolenko, V. A., Tanaev, A. V., Tarashansky, B. A., Ternovoy, M. Yu., Tkachev, L. G., Tluczykont, M., Ushakov, N. A., Horns, D., and Yashin, I. V.

Published
2021
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36. TAIGA—A hybrid array for high-energy gamma astronomy and cosmic-ray physics

Author

Budnev, N., Astapov, I.I., Bezyazeekov, P.A., Borodin, A., Brückner, M., Chernykh, D., Chiavassa, A., Dyachok, A., Fedorov, O., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, O., Gress, T., Grinyuk, A., Grishin, O., Horns, D., Ivanova, A., Kalmykov, N., Kazarina, Yu., Kindin, V., Kiryuhin, S., Kokoulin, R., Komponiets, K., Korosteleva, E., Kostunin, D., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lubsandorzhiev, B., Lubsandorzhiev, N., Mirgazov, R., Mirzoyan, R., Monkhoev, R., Osipova, E., Pakhorukov, A., Pan, A., Panasyuk, M., Pankov, L., Petrukhin, A., Poleschuk, V., Popesku, M., Popova, E., Porelli, A., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Rubtsov, G., Ryabov, E., Sagan, Y., Samoliga, V., Silaev, A., Silaev, A., junior, Sidorenkov, A., Skurikhin, A., Slunecka, M., Sokolov, A., Spiering, C., Sveshnikova, L., Suvorkin, Y., Tabolenko, V., Tarashchansky, B., Tkachev, L., Tluczykont, M., Ushakov, N., Ustinov, K., Vaidyanathan, A., Voronin, D., Wischnewski, R., Zagorodnikov, A., Zurbanov, V., Zhurov, D., and Yashin, I.

Published
2020
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37. Cherenkov EAS arrays in the Tunka astrophysical center: From Tunka-133 to the TAIGA gamma and cosmic ray hybrid detector

Author

Kuzmichev, L., Astapov, I., Bezyazeekov, P., Borodin, A., Brückner, M., Budnev, N., Chiavassa, A., Gress, O., Gress, T., Grishin, O., Dyachok, A., Fedorov, O., Gafarov, A., Garmash, A., Grebenyuk, V., Grinyuk, A., Horns, D., Kalmykov, N., Kazarina, Y., Kindin, V., Kiryuhin, V., Kirilenko, P., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Lagutin, A., Lenok, V., Lubsandorzhiev, B., Lubsandorzhiev, N., Mirgazov, R., Mirzoyan, R., Monkhoev, R., Osipova, E., Pakharukov, A., Pan, A., Panasyuk, M., Pankov, L., Petrukhin, A., Poleschuk, V., Popesku, M., Popova, E., Porelli, A., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Rubtsov, G., Ryabov, E., Sagan, Y., Samoliga, V., Semeney, Yu., Silaev, A., Silaev, A., Jr., Sidorenkov, A., Skurikhin, A., Slunecka, M., Sokolov, A., Spiering, C., Sveshnikova, L., Tabolenko, V., Tarashansky, B., Tkachenko, A., Tkachev, L., Tluczykont, M., Ushakov, N., Voronin, D., Wischnewski, R., Zagorodnikov, A., Zhurov, D., Zurbanov, V., and Yashin, I.

Published
2020
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38. Optimization of electromagnetic and hadronic extensive air shower identification using the muon detectors of the TAIGA experiment

Author

Astapov, I., Bezyazeekov, P., Boreyko, V., Borodin, A., Brueckner, M., Budnev, N., Chiavassa, A., Dyachok, A., Fedorov, O., Gafarov, A., Garmash, A., Gorbunov, N., Grebenyuk, V., Gress, O., Gress, T., Grishin, O., Grinyuk, A., Horns, D., Ivanova, A., Kalmykov, N., Kazarina, Y., Kindin, V., Kirilenko, P., Kiryuhin, S., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Krykov, A., Kunnas, M., Kuzmichev, L., Lagutin, A.A., Lemeshev, Yu., Lenok, V., Lubsandorzhiev, B., Lubsandorzhiev, N., Mirgazov, R., Mirzoyan, R., Monkhoev, R., Nachtigall, R., Osipova, E., Pakhorukov, A., Panasyuk, M., Pankov, L., Petrukhin, A., Poleschuk, V., Popescu, M., Popova, E., Porelli, A., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Rjabov, E., Rubtsov, G., Raikin, R.I., Sagan, Y., Sabirov, B., Samoliga, V., Semeney, Yu., Sidorenkov, A., Silaev, A., Silaev, A., Junior, Skurikhin, A., Slunecka, V., Sokolov, A., Spiering, C., Sveshnikova, L., Tabolenko, V., Tarashansky, B., Tkachenko, A., Tkachev, L., Tluczykont, M., Ushakov, N., Vaidyanathan, A., Voronin, D., Wischnewski, R., Zagorodnikov, A., Zhurov, D., Zurbanov, V., and Yashin, I.

Published
2020
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39. Experimental Complex TAIGA

Author

Kuzmichev, L., Astapov, I., Bezyazykov, P., Blank, M., Borodin, A., Bonvech, A., Brückner, M., Bulan, A., Vaidyanathan, A., Wischnewski, R., Volchugov, P., Voronin, D., Gafarov, A., Gress, O., Gress, T., Grishin, O., Garmash, A., Grebenyuk, V., Grinyuk, A., Dyachok, A., Zhurov, D., Zagorodnikov, A., Ivanova, A., Kalmykov, N., Kazarina, Yu., Kindin, V., Kiryukhin, V., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kryukov, A., Chiavassa, A., Lagutin, A., Lemeshev, Yu., Lubsandorzhiev, B, Lubsandorzhiev, N., Mirgazov, R., Mirzoyan, R., Monkhoev, R., Osipova, E., Pakhorukov, A., Pan, A., Panasyuk, M., Pankov, L., Petrukhin, A., Podgrudkov, D., Poleshchuk, V., Popesku, M., Popova, E., Porelli, A., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Rubtsov, G., Rjabov, E., Sagan, Ya., Samoliga, V., Silaev, A., Silaev, Jr., A., Sidorenkov, A., Skurikhin, A., Slunechka, M., Sokolov, A., Sveshnikova, L., Suvorkin, Ya., Tabolenko, V., Tanaev, A., Tarashchansky, B., Ternovoy, M., Tkachev, L., Tluczykont, M., Ushakov, N., Fedorov, O., Horns, D., Chernov, D., Chernykh, D., Shipilov, D., and Yashin, I.

Published
2020
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40. Status of the TAIGA Experiment: From Cosmic-Ray Physics to Gamma Astronomy in Tunka Valley

Author

Budnev, N., Astapov, I., Bezyazeekov, P., Bonvech, A., Borodin, A., Brueckner, M., Bulan, A., Chernov, D., Chernykh, D., Chiavassa, A., Dyachok, A., Fedorov, O., Gafarov, A., Garmash, A., Grebenyuk, V., Gress, O., Gress, T., Grinyuk, A., Grishin, O., Haungs, A., Horns, D., Huege, T., Ivanova, A., Kalmykov, N., Kazarina, Y., Kindin, V., Kiryuhin, V., Kleifges, M., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kostyunin, D., Kozhin, V., Kravchenko, E., Kryukov, A., Kuzmichev, L., Lagutin, A., Lemeshev, Yu., Lenok, V., Lubsandorzhiev, B., Lubsandorzhiev, N., Malakhov, S., Marshalkina, T., Mirgazov, R., Mirzoyan, R., Monkhoev, R., Osipova, E., Pakhorukov, A., Pan, A., Panasyuk, M., Pankov, L., Petrukhin, A., Podgrudkov, D., Poleschuk, V., Popova, E., Porelli, A., Postnikov, E., Prosin, V., Ptuskin, V., Pushnin, A., Raikin, R., Rubtsov, G., Ryabov, E., Sagan, Y., Samoliga, V., Schroder, F. G., Shipilov, D., Sidorenkov, A., Silaev, A., Silaev, Jr., A., Skurikhin, A., Slunecka, M., Sokolov, A., Sveshnikova, L., Suvorkin, Y., Tabolenko, V., Tanaev, A., Tarashchansky, B., Ternovoy, M., Tkachev, L., Tluczykont, M., Togoo, R., Ushakov, N., Vaidyanathan, A., Volchugov, P., Voronin, D., Wischnewski, R., Zagorodnikov, A., Zhurov, D., and Yashin, Ig.

Published
2020
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44. Depth of the Maximum of Extensive Air Showers (EASes) and the Mean Mass Composition of Primary Cosmic Rays in the 1015–1018 eV Range of Energies, According to Data from the TUNKA-133 and TAIGA-HiSCORE Arrays for Detecting EAS Cherenkov Light in the Tunkinsk Valley

Author

Prosin, V. V., Astapov, I. I., Bezyazeekov, P. A., Borodin, A. N., Brückner, M., Budnev, N. M., Bulan, A., Vaidyanathan, A., Wischnewski, R., Volchugov, P., Voronin, D., Gafarov, A. R., Garmash, A. Yu., Grebenyuk, V. M., Gress, O. A., Gress, T. I., Grinyuk, A. A., Grishin, O. G., Dyachok, A. N., Zhurov, D. P., Zagorodnikov, A. V., Ivanova, A. L., Kalmykov, N. N., Kindin, V. V., Kiryuhin, S. N., Kozhin, V. A., Kokoulin, R. P., Kompaniets, K. G., Korosteleva, E. E., Kravchenko, E. A., Kryukov, A. P., Kuzmichev, L. A., Chiavassa, A., Lavrova, M., Lagutin, A. A., Lemeshev, Yu., Lubsandorzhiev, B. K., Lubsandorzhiev, N. B., Mirgazov, R. R., Mirzoyan, R., Monkhoev, R. D., Osipova, E. A., Pan, A., Panasyuk, M. I., Pankov, L. V., Pakhorukov, A. L., Petrukhin, A. A., Poleschuk, V. A., Popesku, M., Popova, E. G., Porelli, A., Postnikov, E. B., Ptuskin, V. S., Pushnin, A. A., Raikin, R. I., Rubtsov, G. I., Ryabov, E. V., Sagan, Ya. I., Samoliga, V. S., Sveshnikova, L. G., Sidorenkov, A. Yu., Silaev, A. A., Silaev, Jr., A. A., Skurikhin, A. V., Slunecka, M., Sokolov, A. V., Suvorkin, Y., Tabolenko, V. A., Tanaev, A., Tarashansky, B. A., Ternovoy, M., Tkachev, L. G., Tluczykont, M., Ushakov, N., Horns, D., and Yashin, I. I.

Published
2021
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47. Scintillation detectors for the TAIGA experiment

Author

Astapov, I., Bezyazeekov, P., Borodin, A., Brueckner, M., Budnev, N., Chiavassa, A., Dyachok, A., Fedorov, O., Gafarov, A., Garmash, A., Gorbunov, N., Grebenyuk, V., Gress, O., Gress, T., Grishin, O., Grinyuk, A., Horns, D., Ivanova, A., Kalmykov, N., Kazarina, Y., Kindin, V., Kirilenko, P., Kiryuhin, S., Kokoulin, R., Kompaniets, K., Korosteleva, E., Kozhin, V., Kravchenko, E., Kunnas, M., Kuzmichev, L., Lavrova, M., Lemeshev, Yu., Lenok, V., Lubsandorzhiev, B., Lubsandorzhiev, N., Mirgazov, R., Mirzoyan, R., Monkhoev, R., Nachtigall, R., Osipova, E., Pakhorukov, A., Panasyuk, M., Pankov, L., Petrukhin, A., Poleschuk, V., Popesku, M., Popova, E., Porelli, A., Postnikov, E., Prosin, V., Ptuskin, V., Rjabov, E., Rubtsov, G., Pushnin, A., Sagan, Y., Sabirov, B., Samoliga, V., Semeney, Yu., Silaev, A., Silaev, Jr., A., Sidorenkov, A., Skurikhin, A., Slunecka, V., Sokolov, A., Spiering, C., Sveshnikova, L., Tabolenko, V., Tarashansky, B., Tkachev, L., Tluczykont, M., Vaidyanathan, A., Wischnewski, R., Zagorodnikov, A., Zhurov, D., Zurbanov, V., and Yashin, I.

Published
2019
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48. Simulation of the Avalanche Process in the G-APD and Circuitry Analysis of the SiPM

Author

Grebenyuk, V. M., Kalinin, A. I., Shat, Nguyen Manh, Zhanusov, A. K., and Bednyakov, V. A.

Subjects
Physics - Instrumentation and Detectors
Abstract

The discrete modeling of the Geiger-mode APD is considered. Results of modeling and experimental measurements with the SiPM show that the known formula for the charge of the avalanche pulse Q=dU*Cd underestimates its value. In addition, it is seen from the dynamic of the avalanche multiplication that the resistor Rq in photodiode, usually called a quenching resistor, in reality fulfills only the restoring function. The SiPM restoring time, taken into account the number of pixel N and the load resistance R, is T=Cd*(Rq+NR)., Comment: 9 pages, 5 figures, pdf

Published
2009

49. Measurement of air fluorescence light yield induced by an electromagnetic shower

Author

Colin, P., Chukanov, A., Grebenyuk, V., Naumov, D., Nedelec, P., Nefedov, Yu., Onofre, A., Porokhovoi, S., Sabirov, B., and Tkatchev, L.

Subjects
Astrophysics
Abstract

For most of the Ultra-High-Energy-Cosmic-Ray (UHECR) experiments and projects (HiRes, AUGER, TA, JEM-EUSO, TUS,...), the detection technique of Extensive Air Showers is based, at least, on the measurement of the air-fluorescence-induced signal. The knowledge of the Fluorescence-Light Yield (FLY) is of paramount importance for the UHECR energy reconstruction. The MACFLY experiment was designed to perform absolute measurements of the air FLY and to study its properties. Here, we report the result of measurement of dry-air FLY induced by 50 GeV electromagnetic showers as a function of the shower age and as a function of the pressure. The experiment was performed at CERN using a SPS-electron-test-beam line. The result shows the air FLY is proportional to the energy deposited in air (E_d). The ratio FLY/E_d and its pressure dependence remain constant independently of shower age, and more generally, independently of the excitation source used (single-electron track or air shower)., Comment: 12 pages, 6 figures, accepted for publication in Astropart. phys

Published
2007
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50. Measurement of air and nitrogen fluorescence light yields induced by electron beam for UHECR experiments

Author

Colin, P., Chukanov, A., Grebenyuk, V., Naumov, D., Nedelec, P., Nefedov, Y., Onofre, A., Porokhovoi, S., Sabirov, B., and Tkatchev, L.

Subjects
Astrophysics
Abstract

Most of the Ultra High Energy Cosmic Ray (UHECR) experiments and projects (HiRes, AUGER, TA, EUSO, TUS,...) use air fluorescence to detect and measure extensive air showers (EAS). The precise knowledge of the Fluorescence Light Yield (FLY) is of paramount importance for the reconstruction of UHECR. The MACFLY - Measurement of Air Cherenkov and Fluorescence Light Yield - experiment has been designed to perform such FLY measurements. In this paper we will present the results of FLY in the 290-440 nm wavelength range for dry air and pure nitrogen, both excited by electrons with energy of 1.5 MeV, 20 GeV and 50 GeV. The experiment uses a 90Sr radioactive source for low energy measurement and a CERN SPS electron beam for high energy. We find that the FLY is proportional to the deposited energy (E_d) in the gas and we show that the air fluorescence properties remain constant independently of the electron energy. At the reference point: atmospheric dry air at 1013 hPa and 23C, the ratio FLY/E_d=17.6 photon/MeV with a systematic error of 13.2%., Comment: 19 pages, 8 figures. Accepted for publication in Astroparticle Physics

Published
2006
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