PoS - Proceedings of Science
Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - GAI - Gamma Ray Indirect
TAIGA - an advanced hybrid detector complex for astroparticle physics, cosmic ray physics and gamma-ray astronomy
N.M. Budnev*, L. Kuzmichev, R. Mirzoyan, I. Astapov, P. Bezyazeekov, M. Blank, A. Borodin, M. Brückner, A. Bulan, A. Chiavassa, A.N. Dyachok, A.R. Gafarov, A. Garmash, V. Grebenyuk, E. Gress, O. Gress, T.I. Gress, A. Grinyuk, O. Grishin, D. Horns, A. Igoshin, A. L. Ivanova, A. D. Ivanova, N. Kalmykov, V. Kindin, S. Kiryuhin, R. Kokoulin, K. Kompaniets, E. Korosteleva, V.A. Kozhin, E. Kravchenko, A. Kryukov, A. Lagutin, Y.E. Lemeshev, B. Lubsandorzhiev, N. Lubsandorzhiev, D. Lukyantsev, S. Malakhov, R.R. Mirgazov, R. Monkhoev, E. Osipova, A. Pakhorukov, L. Pankov, A. Petrukhin, I. Poddubnyi, V. Poleschuk, V. Ponomareva, M. Popesku, E. Popova, A. Porelli, E. Postnikov, V. Prosin, V. Ptuskin, A. Pushnin, R. Raikin, G. Rubtsov, E.V. Ryabov, Y. Sagan, V. Samoliga, B. Sabirov, A. Silaev, A. Sidorenkov, A.V. Skurikhin, V. Slunecka, A. Sokolov, V. Sulakov, Y. Suvorkin, L. Sveshnikova, V.A. Tabolenko, B. Tarashchansky, L. Tkachev, M. Tluczykont, A. Tanaev, M. Ternovoy, R. Togoo, N. Ushakov, A. Vaidyanathan, P. Volchugov, D. Voronin, R. Wischnewski, A. Zagorodnikov, A. Zhaglova, D. Zhurov and I. Yashinet al. (click to show)
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Pre-published on: July 30, 2021
Published on: March 18, 2022
The physical motivations and performance of the TAIGA (Tunka Advanced Instrument for cosmic ray physics and Gamma Astronomy) project are presented. The TAIGA observatory addresses ground-based gamma-ray astronomy at energies from a few TeV to several PeV, as well as cosmic ray physics from 100 TeV to several EeV and astroparticle physics. The pilot TAIGA complex locates in the Tunka valley, ~50 km West from the southern tip of the lake Baikal. It includes integrating air Cherenkov TAIGA-HiSCORE array with 120 wide-angle optical stations distributed over on area 1 square kilometer about and three the 4-m class Imaging Atmospheric Cherenkov Telescopes of the TAIGA-IACT array. The latter array has a shape of triangle with side lengths of about 300m, 400m and 500m. The expected integral sensitivity of the 1 km2 TAIGA detector will be about 2,5 × 10-13 TeV cm-2 sec-1 for detection of E ≥ 100 TeV gamma-rays in 300 hours of source observations. The combination of the wide angle Cherenkov array and IACTs could offer a cost effective-way to build a really large (up to 10 km2) array for very high energy gamma-ray astronomy. The reconstruction of a given EAS energy, incoming direction and the core position, based on the TAIGA-HiSCORE data, allows one to increase the distance between the relatively expensive IACTs up to 600-800 m. These, together with the surface and underground electron/Muon detectors will be used for selection of gamma-ray induced EAS. Present status of the project, together with the current array description and the first experimental results and plans for the future will be reported.
DOI: https://doi.org/10.22323/1.395.0731
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