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 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.
- ПубликацияОткрытый доступReconstruction of the spectrum of cascades generated by VHE muons in the IceCube(2019) Khokhlov, S.; Хохлов, Семен Сергеевич© Published under licence by IOP Publishing Ltd.One of the best ways for the investigations of the VHE muons spectrum is measuring the spectrum of stochastic energy losses (cascades). IceCube is the detector capable of measuring the cascade spectrum in the energy region between tens of TeV and one PeV where manifestation of the prompt muon production mechanisms is predicted. In events with muon bundles, the longitudinal energy deposit profile reconstructed by means of a maximum likelihood method is analyzed. Cascade energies are estimated for the events in which the highest local energy deposit is much greater than the median energy deposit. The technique of cascade spectrum reconstruction has been tested with MC-simulated events. Criteria of the event selection, cascade parameters estimation accuracy and the efficiency of the spectrum reconstruction are discussed.
- 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.