Publication: Cosmic-Ray Anisotropy Study by Means of Detection of Muon Bundles
Дата
2023
Авторы
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.
Journal Title
Journal ISSN
Volume Title
Издатель
Аннотация
Abstract 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 15° to 75° 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.
Описание
Ключевые слова
Zenith , Tracking (education) , Neutrino Detection
Цитирование
Cosmic-Ray Anisotropy Study by Means of Detection of Muon Bundles / Amelchakov, M. B. [et al.] // Astrophysical Journal. - 2023. - 945. - № 2. - 10.3847/1538-4357/acb1fc
URI
https://www.doi.org/10.3847/1538-4357/acb1fc
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https://openrepository.mephi.ru/handle/123456789/30038
https://www.scopus.com/record/display.uri?eid=2-s2.0-85150446312&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000948856800001
https://openrepository.mephi.ru/handle/123456789/30038