Персона: Компаниец, Константин Георгиевич
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Институт ядерной физики и технологий
Цель ИЯФиТ и стратегия развития - создание и развитие научно-образовательного центра мирового уровня в области ядерной физики и технологий, радиационного материаловедения, физики элементарных частиц, астрофизики и космофизики.
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- ПубликацияТолько метаданныеCalibration of the NEVOD-EAS array for detection of extensive air showers(2023) Amelchakov, M. B.; Bogdanov, A. G.; Dmitrieva, A. N.; Gromushkin, D. M.; Khomchuk, E. P.; Khokhlov, S. S.; Kokoulin, R. P.; Kompaniets, K. G.; Konovalova, A. Y.; Nugaeva, K. R.; Petrukhin, A. A.; Shulzhenko, I. A.; Yashin, I. I.; Yuzhakova, E. A.; Амельчаков, Михаил Борисович; Богданов, Алексей Георгиевич; Дмитриева, Анна Николаевна; Громушкин, Дмитрий Михайлович; Хомчук, Евгений Павлович; Хохлов, Семен Сергеевич; Кокоулин, Ростислав Павлович; Компаниец, Константин Георгиевич; Коновалова, Алена Юрьевна; Нугаева, Корнелия Рустемовна; Петрухин, Анатолий Афанасьевич; Шульженко, Иван Андреевич; Яшин, Игорь Иванович; Южакова, Елена АлександровнаIn this paper we discuss the calibration of the NEVOD-EAS array which is a part of the Experimental Complex NEVOD, as well as the results of studying the response features of its scintillation detectors. We present the results of the detectors energy calibration, performed by comparing their response to different types of particles obtained experimentally and simulated with the Geant4 software package, as well as of the measurements of their timing resolution. We also discuss the results of studies of the light collection non-uniformity of the NEVOD-EAS detectors and of the accuracy of air-shower arrival direction reconstruction, which have been performed using other facilities of the Experimental Complex NEVOD: the muon hodoscope URAGAN and the muon tracking detector DECOR.
- ПубликацияОткрытый доступCosmic-Ray Anisotropy Study by Means of Detection of Muon Bundles(2023) Amelchakov, M. B.; Bogdanov, A. G.; Dmitrieva, A. N.; Kompaniets, K. G.; Khokhlov, S. S.; Kokoulin, R.; Petrukhin, A. A.; Shutenko, V. V.; Shulzhenko, I. A.; Yashin, I. I.; Yurina, E. A.; Амельчаков, Михаил Борисович; Богданов, Алексей Георгиевич; Дмитриева, Анна Николаевна; Компаниец, Константин Георгиевич; Хохлов, Семен Сергеевич; Кокоулин, Ростислав Павлович; Петрухин, Анатолий Афанасьевич; Шутенко, Виктор Викторович; Шульженко, Иван Андреевич; Яшин, Игорь Иванович; Юрина, Екатерина АлександровнаAbstract In this work, we use muon bundles, which are formed in extensive air showers and detected at the ground level, as a tool for searching for anisotropy in high-energy cosmic rays. Such choice is explained by the penetrating ability of muons that allows them to retain the direction of primary particles with good accuracy. In 2012–2022, we performed long-term muon-bundle detection with the coordinate-tracking detector DECOR, which is a part of the Experimental Complex NEVOD (MEPhI, Moscow). To search for cosmic-ray anisotropy, muon bundles arriving at zenith angles in the range from 15В° to 75В° in the local coordinate system are used. During the entire period of data taking, about 14 million of such events have been accumulated. In this paper, we describe some methods developed in the Experimental Complex NEVOD and implemented in our research, including: the method for compensating for the influence of meteorological conditions on the intensity of muon bundles at the Earth’s surface, the method for accounting for the design features of the detector and the inhomogeneity of the detection efficiency for different directions, as well as the method for estimating the primary energies of cosmic rays. Here we present the results of the search for the dipole anisotropy of cosmic rays with energies in the PeV region and also compare them with the results obtained at other scientific facilities.