Персона: Хохлов, Семен Сергеевич
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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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- ПубликацияОткрытый доступКаскадные ливни в Черенковском водном детекторе(НИЯУ МИФИ, 2013) Хохлов, С. С.; Хохлов, Семен Сергеевич; Яшин, И. И.
- ПубликацияОткрытый доступAnisotropy of the high energy cosmic ray flux measured by means of muon bundles in the Experimental complex NEVOD(2019) Izhbulyakova, Z. T.; Amelchakov, M. B.; Vorobyev, V. S.; Kovylyaeva, A. A.; Kokoulin, R. P.; Khohlov, S. S.; Амельчаков, Михаил Борисович; Воробьев, Владислав Станиславович; Кокоулин, Ростислав Павлович; Хохлов, Семен Сергеевич© 2019 Published under licence by IOP Publishing Ltd. The work is devoted to the study of the anisotropy of the high energy cosmic ray flux by means of muon bundles registered during 2012-2018 with the coordinate-tracking detector DECOR, which is a part of the Unique Scientific Facility Experimental complex NEVOD. We have analyzed data for two event samples corresponding to E > 10 15 eV and E > 10 16 eV energy ranges of primary particles. The method of data processing is described and estimates of the dipole anisotropy parameters (the amplitude and the phase) are presented.
- ПубликацияТолько метаданныеStudy of EAS Registered by the PRISMA-32 Array and the Cherenkov Water Calorimeter NEVOD(2019) Gromushkin, D. M.; Bogdanov, F. A.; Bouchama, L.; Bulan, A. V.; Izhbulyakova, Z. T.; Khokhlov, S. S.; Stenkin, Y. V.; Yurin, K. O.; Громушкин, Дмитрий Михайлович; Хохлов, Семен Сергеевич; Стенькин, Юрий Васильевич© 2019, Pleiades Publishing, Ltd.Two installations that allow to detect the EAS hadron component in a continuous mode, the Cherenkov water calorimeter (CWC) NEVOD and PRISMA-32 are operated in MEPhI. The comparison of the characteristics of EAS simultaneously registered by CWC NEVOD and PRISMA-32 are presented. Groups of events with different positions of the shower axis are considered.
- ПубликацияТолько метаданныеReconstruction of Characteristics of Extensive Air Showers Detected with the NEVOD-EAS Array(2019) Likiy, O. I.; Amelchakov, M. B.; Bogdanov, A. G.; Chiavassa, A.; Khokhlov, S. S.; Kokoulin, R. P.; Shulzhenko, I. A.; Амельчаков, Михаил Борисович; Богданов, Алексей Георгиевич; Хохлов, Семен Сергеевич; Кокоулин, Ростислав Павлович; Шульженко, Иван Андреевич© 2019, Pleiades Publishing, Ltd.In 2018, the creation of the central part of the NEVOD-EAS cluster-type array aimed at detection of the electron-photon component of extensive air showers in the energy range from 1015 to 1017 eV was completed. At present, a continuous data taking is being performed at the array. The results of the reconstruction of registered extensive air showers using the methods developed within the framework of the cluster approach to experimental data analysis are presented.
- ПубликацияТолько метаданныеExpected 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.
- ПубликацияТолько метаданныеNear-Vertical Local Density Spectra of the EAS Charged Particles in the Energy Range of 1014–1017 eV(2019) Amelchakov, M. B.; Bogdanov, A. G.; Khokhlov, S. S.; Kokoulin, R. P.; Petrukhin, A. A.; Shulzhenko, I. A.; Yashin, I. I.; Амельчаков, Михаил Борисович; Богданов, Алексей Георгиевич; Хохлов, Семен Сергеевич; Кокоулин, Ростислав Павлович; Петрухин, Анатолий Афанасьевич; Шульженко, Иван Андреевич; Яшин, Игорь Иванович© 2019, Pleiades Publishing, Ltd.The results of the long-term measurements of extensive air showers with the calibration telescope system of the Cherenkov water detector are presented for an energy range of 1014–1017 eV. We have used two independent methods for reconstruction of the charged particle local density spectrum: by the multiplicity of the hit counters and by their amplitude responses. By means of Geant4 calculations, we have shown how the structure of the building and the water tank affect the results of the spectrum reconstruction. We obtained two different exponents of charged particles’ local density spectra for CTS top and bottom plane. The results are compared with CORSIKA calculations and data from other setups.
- ПубликацияТолько метаданныеInvestigation 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.
- ПубликацияОткрытый доступEnergy spectrum of cascade showers initiated by cosmic ray muons in the Cherenkov water detector(2019) Khokhlov, S. S.; Bogdanov, A. G.; Khomyakov, V. A.; Kindin, V. V.; Kokoulin, R. P.; Petrukhin, A. A.; Shutenko, V. V.; Yashin, I. I.; Хохлов, Семен Сергеевич; Богданов, Алексей Георгиевич; Киндин, Виктор Владимирович; Кокоулин, Ростислав Павлович; Петрухин, Анатолий Афанасьевич; Шутенко, Виктор Викторович; Яшин, Игорь ИвановичResults of analysis of experimental data on cascade showers with energies of 0.1 - 10 TeV initiated by muons in the Cherenkov water detector NEVOD are presented. The method of selection and reconstruction of cascade parameters in the volume of the detector is discussed. Experimental distributions of cascade axes in zenith angle and energy spectrum of cascades are obtained. The measured distributions are compared with results of calculations.
- ПубликацияОткрытый доступEnergy 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 АлександровнаAn 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.
- ПубликацияОткрытый доступNEVOD as a test facility for future neutrino telescopes(2019) Petrukhin, A. A.; Khokhlov, S. S.; Петрухин, Анатолий Афанасьевич; Хохлов, Семен СергеевичThe possibility to calibrate the new optical modules mDOM of the IceCube-Upgrade neutrino telescope inside the tank of Cherenkov water detector NEVOD is discussed. Methods to calibrate optical modules are presented. The spatial lattice of the detector NEVOD and deployed outside of the water tank calibration telescope system and coordinate-tracking detector DECOR allow calibrating the response of mDOM with respect to the Cherenkov light from muons, muon bundles and cascades with known trajectories.