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Юрина, Екатерина Александровна

Организационные подразделения

Организационная единица

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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Юрина

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Екатерина Александровна

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Variations in the intensity of cosmic ray muon bundles according to DECOR data 2012-2017
(2019) Yurina, E. A.; Bogdanov, A. G.; Dmitrieva, A. N.; Kokoulin, R. P.; Shutenko, V. V.; Юрина, Екатерина Александровна; Богданов, Алексей Георгиевич; Дмитриева, Анна Николаевна; Кокоулин, Ростислав Павлович; Шутенко, Виктор Викторович
© 2019 Published under licence by IOP Publishing Ltd. Investigation of variations in the intensity of cosmic ray muon bundles detected at the ground level with the coordinate-tracking detector DECOR over a long period of observations is considered. It has been found that the measured intensity of the events exhibits clear seasonal variations, repeated every year of observations. These variations are caused by changes in atmospheric conditions. Correlations of the intensity of muon bundles with atmospheric pressure, mean air temperature and the altitude of the fixed residual atmospheric pressure levels have been analyzed.
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Measuring the Cherenkov light yield from cosmic ray muon bundles in the water detector
(2020) Mannocchi, G.; Saavedra, O.; Trinchero, G.; Kokoulin, R. P.; Barbashina, N. S.; Bogdanov, A. G.; Khokhlov, S. S.; Khomyakov, V. A.; Kindin, V. V.; Kompaniets, K. G.; Petrukhin, A. A.; Shutenko, V. V.; Yashin, I. I.; Yurina, E. A.; Кокоулин, Ростислав Павлович; Барбашина, Наталья Сергеевна; Богданов, Алексей Георгиевич; Хохлов, Семен Сергеевич; Киндин, Виктор Владимирович; Компаниец, Константин Георгиевич; Петрухин, Анатолий Афанасьевич; Шутенко, Виктор Викторович; Яшин, Игорь Иванович; Юрина, Екатерина Александровна
© 2018 Elsevier B.V. An experiment on the measurements of the Cherenkov light yield from inclined cosmic ray muon bundles in water is being conducted at the Experimental complex NEVOD (MEPhI). The total number of Cherenkov photons is nearly proportional to the muon energy deposit (including secondary particles produced by muons and cascades from them) within the detector volume. Since at muon energies above a hundred GeV the energy loss is almost linearly related to the energy of muons, the average energy loss of the bundles carries information about the mean muon energy in such events. The complex includes the Cherenkov water calorimeter NEVOD with a volume of 2000 m3 and the coordinate-tracking detector DECOR with a total area of 70 m2. DECOR data are used to determine the local muon densities in the bundle events and their arrival directions, while the energy deposits are evaluated from the Cherenkov calorimeter response. The detection of the bundles in a wide range of muon multiplicities and zenith angles gives the opportunity to explore the energy range of primary cosmic ray particles from about 10 PeV to 1000 PeV and even higher in frame of a single experiment. Experimental results on the dependence of the muon bundle energy deposit on the zenith angle and the local muon density are presented and compared with expectations based on simulation of the EAS muon component by means of the CORSIKA code.
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NEVOD–DECOR Experiment on the Measurement of the Energy Deposit of Cosmic Ray Muon Bundles
(2020) Mannocchi, G.; Trinchero, G.; Yurina, E. A.; Barbashina, N. S.; Bogdanov, A. G.; Kindin, V. V.; Kokoulin, R. P.; Kompaniets, K. G.; Petrukhin, A. A.; Khokhlov, S. S.; Shutenko, V. V.; Yashin, I. I.; Юрина, Екатерина Александровна; Барбашина, Наталья Сергеевна; Богданов, Алексей Георгиевич; Киндин, Виктор Владимирович; Кокоулин, Ростислав Павлович; Компаниец, Константин Георгиевич; Петрухин, Анатолий Афанасьевич; Хохлов, Семен Сергеевич; Шутенко, Виктор Викторович; Яшин, Игорь Иванович
© 2020, Pleiades Publishing, Ltd.Abstract: In comparison with calculations, the excess of multimuon events found in many experiments at ultrahigh energies of extensive air showers (EASs) cannot be explained using modern models of hadron interactions. The existence of muon excess is called the muon puzzle. One of the ways to solve this problem is to study the energy characteristics of the EAS muon component. For this purpose, the energy deposit of cosmic ray muon bundles is measured in the NEVOD–DECOR experiment. Registration of muon bundles in a wide range of zenith angles allows one to explore a wide range of energies of the primary particles of cosmic rays (from 10 to 1000 PeV) within a single experiment. The results of measurements of the energy deposit of muon bundles over a long observation period are presented.
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Local Muon Density Spectra at Various Zenith Angles Measured with NEVOD-DECOR
(2019) Kokoulin, R. P.; Bogdanov, A. G.; Mannocchi, G.; Petrukhin, A. A.; Shutenko, V. V.; Yashin, I. I.; Yurina, E. A.; Кокоулин, Ростислав Павлович; Богданов, Алексей Георгиевич; Петрухин, Анатолий Афанасьевич; Шутенко, Виктор Викторович; Яшин, Игорь Иванович; Юрина, Екатерина Александровна
Data on cosmic ray muon bundles accumulated at the NEVOD-DECOR complex over the period from May 2012 to December 2018 have been analyzed. Local muon density spectra at various zenith angles have been reconstructed and compared with CORSIKA-based simulations. At large zenith angles and high muon multiplicities corresponding to primary particle energies more than about 3 x 10(17) eV an excess of multi-muon events compared to simulations is clearly seen. Present data are compatible with the expectation for recent LHC-adjusted hadron interaction models only under assumption of extremely heavy (iron group nuclei) primary composition. The assumption of a heavy composition is however in contradiction with other EAS observables, such as maximum depth and its fluctuations.
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Investigation of the Energy Loss of Muon Bundles in the Cherenkov Water Calorimeter
(2019) Mannocchi, G.; Trinchero, G.; Yurina, E. A.; Barbashina, N. S.; Bogdanov, A. G.; Khokhlov, S. S.; Kindin, V. V.; Kokoulin, R. P.; Kompaniets, K. G.; Petrukhin, A. A.; Shutenko, V. V.; Yashin, I. I.; Юрина, Екатерина Александровна; Барбашина, Наталья Сергеевна; Богданов, Алексей Георгиевич; Хохлов, Семен Сергеевич; Киндин, Виктор Владимирович; Кокоулин, Ростислав Павлович; Компаниец, Константин Георгиевич; Петрухин, Анатолий Афанасьевич; Шутенко, Виктор Викторович; Яшин, Игорь Иванович
© 2019, Pleiades Publishing, Ltd.Investigations of the energy loss of muon bundles are being conducted at the Experimental complex NEVOD. Such investigations are directed to detailed study of “muon puzzle” (the excess of multi-muon events observed in several cosmic ray experiments at ultra-high energies). Results of measurements of the muon bundle energy deposit during a long period of observations in primary cosmic ray energy range 10–1000 PeV have been obtained and have been compared with simulations performed on the basis of the CORSIKA code.
Открытый доступ
Energy loss measurements of inclined muon bundles in the Cherenkov water detector
(2019) Kokoulin, R. P.; Barbashina, N. S.; Bogdanov, A. G.; Khokhlov, S. S.; Khomyakov, V. A.; Kindin, V. V.; Kompaniets, K. G.; Petrukhin, A. A.; Shutenko, V. V.; Yashin, I. I.; Yurina, E. A.; Кокоулин, Ростислав Павлович; Барбашина, Наталья Сергеевна; Богданов, Алексей Георгиевич; Хохлов, Семен Сергеевич; Киндин, Виктор Владимирович; Компаниец, Константин Георгиевич; Петрухин, Анатолий Афанасьевич; Шутенко, Виктор Викторович; Яшин, Игорь Иванович; Юрина, Екатерина Александровна
An experiment on the measurements of the energy deposit of inclined cosmic ray muon bundles is being conducted at the experimental complex NEVOD (MEPhI). The complex includes the Cherenkov water calorimeter with a volume of 2000 m(3) and the coordinate-tracking detector DECOR with a total area of 70 m(2). The DECOR data are used to determine the local muon densities in the bundle events and their arrival directions, while the energy deposits (and hence the average muon energy loss) are evaluated from the Cherenkov calorimeter response. Average energy loss carries information about the mean muon energy in the bundles. The detection of the bundles in a wide range of muon multiplicities and zenith angles gives the opportunity to explore the energy range of primary cosmic ray particles from about 10 to 1000 PeV in the frame of a single experiment with a relatively small compact setup. Experimental results on the dependence of the muon bundle energy deposit on the zenith angle and the local muon density are presented and compared with expectations based on simulations of the EAS muon component with the CORSIKA code.
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Expected Spectra of Muon-Induced Cascades in IceCube
(2019) Khokhlov, S. S.; Bogdanov, A. G.; Kokoulin, R. P.; Petrukhin, A. A.; Sozinov, E. S.; Yurina, E. A.; Хохлов, Семен Сергеевич; Богданов, Алексей Георгиевич; Кокоулин, Ростислав Павлович; Петрухин, Анатолий Афанасьевич; Юрина, Екатерина Александровна
© 2019, Pleiades Publishing, Ltd.The neutrino telescope IceCube is capable to reconstruct the energy spectrum of muons in very high energy region by means of measurements of muon-induced cascades. To compare with experimental data, the expected spectra of cascades were theoretically estimated. Calculations were performed for two variants of muon spectrum on the ice surface: a simple power-law energy spectrum with a differential slope index −3.7, and a composite spectrum combined of two power spectra with differential indexes −3.7 and −2.7. The differential spectra of cascades for different zenith angles and integral cascade spectra calculated for two variants of muon spectra are discussed.
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NEVOD - An experimental complex for multi-component investigations of cosmic rays and their interactions in the energy range 1-1010GeV
(2021) Mannocchi, G.; Trinchero, G.; Yashin, I. I.; Amelchakov, M. B.; Astapov, I. I.; Barbashina, N. S.; Bogdanov, A. G.; Bogdanov, F. A.; Borog, V. V.; Chiavassa, A.; Dmitrieva, A. N.; Gromushkin, D. M.; Khokhlov, S. S.; Kindin, V. V.; Kokoulin, R. P.; Kompaniets, K. G.; Konovalova, A. Y.; Kovylyaeva, A. A.; Mishutina, Y. N.; Ovchinnikov, V. V.; Petrukhin, A. A.; Shulzhenko, I. A.; Shutenko, V. V.; Stenkin, Y. V.; Vorobyev, V. S.; Yurin, K. O.; Yurina, E. A.; Zadeba, E. A.; Яшин, Игорь Иванович; Амельчаков, Михаил Борисович; Астапов, Иван Иванович; Барбашина, Наталья Сергеевна; Богданов, Алексей Георгиевич; Борог, Владимир Викторович; Дмитриева, Анна Николаевна; Громушкин, Дмитрий Михайлович; Хохлов, Семен Сергеевич; Киндин, Виктор Владимирович; Кокоулин, Ростислав Павлович; Компаниец, Константин Георгиевич; Коновалова, Алена Юрьевна; Мишутина, Юлия Николаевна; Овчинников, Вячеслав Васильевич; Петрухин, Анатолий Афанасьевич; Шульженко, Иван Андреевич; Шутенко, Виктор Викторович; Стенькин, Юрий Васильевич; Воробьев, Владислав Станиславович; Юрина, Екатерина Александровна; Задеба, Егор Александрович
© 2021 IOP Publishing Ltd and Sissa Medialab.The Experimental Complex (EC) NEVOD includes a number of detectors used to carry out basic research of cosmic rays (CR) and their interactions in the energy range 1011-1019 eV and applied research of the heliosphere, magnetosphere and atmosphere of the Earth by the muonography method which is based on the analysis of spatial-angular variations of the muon flux generated by primary CR particles with energies of 10
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Dependence of the Energy Deposit of Muon Bundles on Local Muon Density and Zenith Angle
(2019) Mannocchi, G.; Saavedra, O.; Trinchero, G.; Yurina, E. A.; Barbashina, N. S.; Bogdanov, A. G.; Kindin, V. V.; Kokoulin, R. P.; Kompaniets, K. G.; Petrukhin, A. A.; Khomyakov, V. A.; Khokhlov, S. S.; Shutenko, V. V.; Yashin, I. I.; Юрина, Екатерина Александровна; Барбашина, Наталья Сергеевна; Богданов, Алексей Георгиевич; Киндин, Виктор Владимирович; Кокоулин, Ростислав Павлович; Компаниец, Константин Георгиевич; Петрухин, Анатолий Афанасьевич; Хохлов, Семен Сергеевич; Шутенко, Виктор Викторович; Яшин, Игорь Иванович
© 2019, Allerton Press, Inc.Abstract: Energy characteristics of the muon component of extensive air showers (EASes) are investigated at the NEVOD experimental complex in order to solve the problem of a detected excess of muons in EASes at ultrahigh energies, relative to simulation results. The dependences of the energy deposit of muon bundles on the zenith angle and the local muon density are obtained for primary energies of 10–1000 PeV. The results from comparing the data to simulations performed with the CORSIKA program are presented.
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Update on the Combined Analysis of Muon Measurements from Nine Air Shower Experiments
(2022) Soldin, D.; Barbashina, N.; Bogdanov, A. G.; Khokhlov, S. S.; Kindin, V. V.; Kokoulin, R. P.; Kompaniets, K. G.; Petrukhin, A. A.; Shutenko, V. V.; Yashin, I. I.; Yurina, E. A.; Zadeba, E. A.; Besson, D.; Spiering, C.; Барбашина, Наталья Сергеевна; Богданов, Алексей Георгиевич; Хохлов, Семен Сергеевич; Киндин, Виктор Владимирович; Кокоулин, Ростислав Павлович; Компаниец, Константин Георгиевич; Петрухин, Анатолий Афанасьевич; Шутенко, Виктор Викторович; Яшин, Игорь Иванович; Юрина, Екатерина Александровна; Задеба, Егор Александрович