γ-Ray Detection with the TAIGA-IACT Installation in the Stereo Mode of Observation

IF 0.4 4区工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY Instruments and Experimental Techniques Pub Date : 2024-06-28 DOI:10.1134/S0020441224700106

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

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Abstract

The paper is devoted to the modeling and analysis of data detected by the TAIGA-IACT installation in the stereo mode. Five Imaging Atmospheric Cherenkov Telescopes (IACT) with a viewing angle of 9.6° are expected to be included in the installation. Today there are three telescopes spaced far apart (from 320 to 500 m) in the installation. The effective area of the installation is as large as 0.6 km²; therefore, it is possible to conduct statistically significant measurements of weak γ-ray sources in the energy range above 10 TeV over a reasonable observation time (300–400 h). The Monte Carlo procedure for simulating the hadrons and γ-rays detected by the telescopes is described as is the procedure for reconstructing the parameters of extensive air showers, such as the arrival direction of an event, the axis position, the depth of the maximum of shower development (X_max), and the primary-particle energy. In order to solve the problem of γ-hadron separation, the criteria for selecting γ-rays detected in the stereo mode have been optimized and the effective area of the installation has been calculated.

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在立体观测模式下利用 TAIGA-IACT 装置进行 γ 射线探测

摘要--本文致力于对 TAIGA-IACT 装置在立体模式下探测到的数据进行建模和分析。该装置预计包括五台视角为 9.6°的成像大气切伦科夫望远镜（IACT）。目前，该装置中的三台望远镜相距甚远（从 320 米到 500 米）。该装置的有效面积达 0.6 平方公里，因此可以在合理的观测时间内（300-400 小时）对 10 TeV 以上能量范围的弱γ射线源进行有统计意义的测量。描述了模拟望远镜探测到的强子和 γ 射线的蒙特卡洛程序，以及重建大范围空气阵列参数的程序，如事件的到达方向、轴位置、阵列发展最大深度（Xmax）和主粒子能量。为了解决γ-哈德子分离问题，优化了选择以立体模式探测到的γ射线的标准，并计算了装置的有效面积。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Instruments and Experimental Techniques 工程技术-工程：综合

CiteScore

1.20

自引率

33.30%

发文量

113

审稿时长

4-8 weeks

期刊介绍： Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.