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)*: corresponding author
Pre-published on:
August 25, 2023
Published on:
September 27, 2024
Abstract
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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