PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Cosmic-Ray Physics (Indirect, CRI)
The TAIGA-1 - A hybrid complex for gamma-ray astronomy, cosmic ray physics and astroparticle physics
A. Vaidyanathan*, I. Astapov, P. Bezyazeekov, E. Bonvech, A. Borodin, N.M. Budnev, A. Bulan, D. Chernov, A. Chiavassa, A.N. Dyachok, A.R. Gafarov, A. Garmash, V. Grebenyuk, E. Gress, O. Gress, T.I. Gress, A. Grinyuk, O. Grishin, A. Ivanova, A. Ivanova, M. Iliushin, N.N. Kalmykov, V. Kindin, S. Kiryuhin, R. Kokoulin, N. Kolosov, K. Kompaniets, E. Korosteleva, V. Kozhin, E. Kravchenko, A. Kryukov, L. Kuzmichev, A. Lagutin, M.V. Lavrova, Y. Lemeshev, B. Lubsandorzhiev, N. Lubsandorzhiev, S. Malakhov, R.A. Mirgazov, R. Monkhoev, E. Okuneva, E. Osipova, A. Pakhorukov, L. Pankov, A. Pan, A. Panov, A. Petrukhin, D. Podgrudkov, E. Popova, E. Postnikov, V. Prosin, V. Ptuskin, A. Pushnin, R. Raikin, A. Razumov, G. Rubtsov, E. Ryabov, V. Samoliga, I. Satyshev, A. Silaev, A.S. Junior, A. Sidorenkov, A.V. Skurikhin, A. Sokolov, L. Sveshnikova, V.A. Tabolenko, L.G. Tkachev, A. Tanaev, M. Ternovoy, N. Ushakov, A. Vaidyanathan, P. Volchugov, N. Volkov, D. Voronin, A. Zagorodnikov, D. Zhurov and I. Yashinet al. (click to show)
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Pre-published on: August 25, 2023
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The physical motivations and performance of the TAIGA (Tunka Advanced Instrument for cosmic ray physics and Gamma Astronomy) project are presented. The TAIGA astrophysical complex addresses ground-based gamma-ray astronomy at energies from a few TeV to several PeV and cosmic ray physics from 100 TeV to several EeV and astroparticle physics. The pilot TAIGA-1 complex is located in the Tunka valley, ~50 km west of the southern tip of lake Baikal. It includes a timing Cherenkov TAIGA-HiSCORE array with 120 wide-angle optical stations distributed over an area of about 1 square kilometer and three 4-m class Imaging Atmospheric Cherenkov Telescopes of the TAIGA-IACT array. The latter array has a shape of a triangle with side lengths of about 300m, 400m and 500m. There are three approaches to selecting gamma quanta from the hadron background in the TAIGA experiment: (1) IACT operation in standalone mode; (2) Stereo mode operation of two or more IACTs; (3) Hybrid mode operation -joint operation of TAIGA-HiSCORE and IACTs. The main advantage of the hybrid operation of the IACTs and timing is their good gamma/hadron separation, even with only a few telescopes on the large area. Present status of the project, the first experimental results and plans for the future 10-20 km^2 TAIGA are presented.
DOI: https://doi.org/10.22323/1.444.0269
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