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5 results on '"L.G. Sveshnikova"'

1. The primary cosmic-ray energy spectrum measured with the Tunka-133 array

Author

N.M. Budnev, A. Chiavassa, O.A. Gress, T.I. Gress, A.N. Dyachok, N.I. Karpov, N.N. Kalmykov, E.E. Korosteleva, V.A. Kozhin, L.A. Kuzmichev, B.K. Lubsandorzhiev, N.B. Lubsandorzhiev, R.R. Mirgazov, E.A. Osipova, M.I. Panasyuk, L.V. Pankov, E.G. Popova, V.V. Prosin, V.S. Ptuskin, Yu.A. Semeney, A.A. Silaev, A.A. Silaev(junior), A.V. Skurikhin, C. Spiering, L.G. Sveshnikova, and A.V. Zagorodnikov

Subjects
Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Range (particle radiation), Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Astronomy and Astrophysics, Cosmic ray, Computational physics, Amplitude, Air shower, Calibration, Ultra-high-energy cosmic ray, Astrophysics - High Energy Astrophysical Phenomena, Cherenkov radiation, Energy (signal processing)
Abstract

The EAS Cherenkov light array Tunka-133, with $\sim$ 3 km$^2$ geometric area, is taking data since 2009.The array permits a detailed study of energy spectrum and mass composition of cosmic rays in the energy range from $6\cdot 10^{15}$ to $10^{18}$ eV. We describe the methods of time and amplitude calibration of the array and the methods of EAS parameters reconstruction. We present the all-particle energy spectrum, based on 7 seasons of operation., Comment: 12 pages,18 figures

Published
2021
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2. Tunka-133: Results of 3 year operation

Author

V.V. Prosin, S.F. Berezhnev, N.M. Budnev, A. Chiavassa, O.A. Chvalaev, O.A. Gress, A.N. Dyachok, S.N. Epimakhov, N.I. Karpov, N.N. Kalmykov, E.N. Konstantinov, A.V. Korobchenko, E.E. Korosteleva, V.A. Kozhin, L.A. Kuzmichev, B.K. Lubsandorzhiev, N.B. Lubsandorzhiev, R.R. Mirgazov, M.I. Panasyuk, L.V. Pan'kov, E.G. Popova, V.S. Ptuskin, Yu.A. Semeney, A.A. Silaev, A.V. Skurikhin, C. Spiering, L.G. Sveshnikova, I.V. Yashin, and A.V. Zagorodnikov

Subjects
Physics, Nuclear and High Energy Physics, Astrophysics::High Energy Astrophysical Phenomena, Cosmic ray, Astrophysics, Mass composition, Electromagnetic radiation, Spectral line, Computational physics, Data acquisition, Range (statistics), ddc:530, Instrumentation, Energy (signal processing), Cherenkov radiation
Abstract

The EAS Cherenkov light array Tunka-133, with ~3 km2 geometric area, is taking data since 2009. The array permits a detailed study of cosmic ray energy spectrum and mass composition in the PeV energy range. After a short description of the methods of EAS parameter reconstruction, we present the all-particle energy spectrum and results of studying CR composition, based on 3 seasons of array operation. In the last part of the paper, we discuss possible interpretations of the obtained results.

Published
2014
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3. The Tunka – Multi-component EAS detector for high energy cosmic ray studies

Author

S.F. Berezhnev, D. Besson, N.M. Budnev, M. Büker, M. Brüeckner, A. Chiavassa, O.A. Chvalaev, O.A. Gress, A.N. Dyachok, S.N. Epimakhov, D. Hampf, A. Haungs, R. Hiller, D. Horns, A. Ivanova, N.I. Karpov, N.N. Kalmykov, Yu. Kazarina, E.N. Konstantinov, D. Kostunin, A.V. Korobchenko, E.E. Korosteleva, V.A. Kozhin, M. Kunnas, L.A. Kuzmichev, B.K. Lubsandorzhiev, N.B. Lubsandorzhiev, R.R. Mirgazov, R. Monhoev, R. Nachtigall, M.I. Panasyuk, L.V. Pankov, A.L. Pankov, A. Pokhorukov, E.G. Popova, A. Porelli, V.V. Prosin, V.S. Ptuskin, G.P. Rowell, F.G. Schröder, Yu.A. Semeney, B.A. Shaibonov, A.A. Silaev, A.V. Skurikhin, C. Spiering, D. Spitschan, L.G. Sveshnikova, R. Wischnewski, I.V. Yashin, and A.V. Zagorodnikov

Subjects
Physics, Nuclear and High Energy Physics, Scintillation, High energy, Range (particle radiation), Detector, Astronomy, Cosmic ray, law.invention, Telescope, law, Instrumentation, Cherenkov radiation, Energy (signal processing), Remote sensing
Abstract

The EAS Cherenkov array Tunka-133, with about 3 km 2 sensitive area, has been installed in the Tunka Valley, Siberia. The accessible energy range is 10 15 –10 18 eV. In this contribution, a description of the array and main results obtained so far are presented. A current update of the array includes the deployment of scintillation stations, radio antennas, as well as optical stations. The deployments of these optical stations are the first step towards Tunka-HiSCORE, a wide-angle, large field-of-view gamma-ray telescope.

Published
2013
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4. The Tunka-Grande experiment

Author

R.D. Monkhoev, N.M. Budnev, A. Chiavassa, A.N. Dyachok, A.R. Gafarov, O.A. Gress, T.I. Gress, O.G. Grishin, A.L. Ivanova, N.N. Kalmykov, Yu.A. Kazarina, E.E. Korosteleva, V.A. Kozhin, L.A. Kuzmichev, V.V. Lenok, B.K. Lubsandorzhiev, N.B. Lubsandorzhiev, R.R. Mirgazov, R. Mirzoyan, E.A. Osipova, A.L. Pakhorukov, M.I. Panasyuk, L.V. Pankov, V.A. Poleschuk, E.G. Popova, E.B. Postnikov, V.V. Prosin, V.S. Ptuskin, A.A. Pushnin, V.S. Samoliga, Y.A. Semeney, L.G. Sveshnikova, A.A. Silaev, A.A. Silaev Jr., A.V. Skurikhin, V.P. Sulakov, V.A. Tabolenko, D.M. Voronin, O.L. Fedorov, C. Spiering, A.V. Zagorodnikov, D.P. Zhurov, and V.L. Zurbanov

Subjects
Physics, Photon, COSMIC cancer database, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics, Gamma ray, Astronomy, Cosmic ray, Scintillator, 01 natural sciences, Electromagnetic radiation, Spectral line, Massless particle, 0103 physical sciences, 010306 general physics, Instrumentation, Mathematical Physics
Abstract

The investigation of energy spectrum and mass composition of primary cosmic rays in the energy range 10(16)–10(18) eV and the search for diffuse cosmic gamma rays are of the great interest for understanding mechanisms and nature of high-energy particle sources, the problem of great importance in modern astrophysics. Tunka-Grande scintillator array is a part of the experimental complex TAIGA (Tunka Advanced Instrument for Cosmic Ray and Gamma Astronomy) which is located in the Tunka Valley, about 50 km from Lake Baikal. The purpose of this array is the study of diffuse gamma rays and cosmic rays of ultra-high energies by detecting extensive air showers. We describe the design, specifications of the read-out, data acquisition (DAQ) and control systems of the array.

Published
2017
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5. Observation of very high energy cosmic-ray families in emulsion chambers at high mountain altitudes (I)

Author

L.T. Baradzei, A.S. Borisov, K.V. Cherdyntseva, Z.M. Guseva, V.G. Denisova, N.A. Dobrotin, A.M. Dunaevsky, E.A. Kanevskaya, S.A. Karpova, V.M. Maximenko, R.A. Nam, V.S. Puchkov, S.A. Slavatinsky, M.D. Smirnova, Yu.A. Smorodin, A.V. Uryson, N.G. Zelevinskaya, M.V. Zimin, G.B. Zhdanov, I.A. Mikhailova, R.A. Mukhamedshin, O.E. Doroshenko, L.P. Nikolaeva, L.V. Sukhov, G.T. Zatsepin, T.P. Amineva, G.F. Fedorova, I.P. Ivanenko, N.P. Iljina, V.V. Kopenkin, A.K. Managadze, E.G. Popova, I.V. Rakobolskaya, T.M. Roganova, O.P. Strogova, L.G. Sveshnikova, L.Kh. Chadranyan, L.A. Khisanishvili, N.N. Roinishvili, M.S. Svanidze, Z.A. Azimov, I.B. Bobodjanov, N.E. Gubar, Yu.A. Gulov, F. Normuradov, D.A. Khalilov, Sh. Myrtojieva, E.G. Mullajanov, A.N. Nosov, Kh. Nuritdinov, T.S. Yuldashbaev, Yu.A. Emelyanov, H. Bielawska, J. Malinowski, J. Maciaszczyk, A. Krys, M. Pluta, A. Tomaszewski, Z. Wlodarczyk, J.A. Chinellato, C. Dobrigkeit, J. Bellandi Filho, A.C. Fauth, C.M.G. Lattes, M.J. Menon, C.E. Navia O, K. Sawayanagi, E.H. Shibuya, A. Turtelli, N.M. Amato, N. Arata, F.M.Oliveira Castro, R.H.C. Maldonado, H. Aoki, Y. Fujimoto, Y. Funayama, S. Hasegawa, H. Kumano, H. Semba, M. Tamada, S. Yamashita, T. Shibata, K. Yokoi, and A. Ohsawa

Subjects
Physics, Nuclear and High Energy Physics, High energy, Range (particle radiation), Astrophysics::High Energy Astrophysical Phenomena, Hadron, Flux, Cosmic ray, Collision, Nuclear physics, lcsh:QC770-798, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, Halo, Sea level
Abstract

Characteristics of cosmic-ray hadronic interactions in the 1015 − 1017 eV range are studied by observing a total of 429 cosmic-ray families of visible energy greater than 100 TeV found in emulsion chamber experiments at high mountain altitudes, Chacaltaya (5200 m above sea level) and the Pamirs (4300 m above sea level). Extensive comparisons were made with simulated families based on models so far proposed, concentrating on the relation between the observed family flux and the behaviour of high-energy showers in the families, hadronic and electromagnetic components. It is concluded that there must be global change in characteristics of hadronic interactions at around 1016 eV deviating from thise known in the accelerator energy range, specially in the forwardmost angular region of the collision. A detailed study of a new shower phenomenon of small-pT particle emissions, pT being of the order of 10 MeV/c, is carried out and its relation to the origin of huge “halo” phenomena associated with extremely high energy families is discussed as one of the possibilities. General characteristics of such super-families are surveyed.

Published
1992
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