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Перегляд Problems of Atomic Science and Technology, 2019, № 3 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2019, № 3 за назвою

Сортувати за: Порядок: Результатів:

  • Bremsstrahlung of electrons and yield of neutrons from thick converters, passing of gamma-radiation and neutrons through biological shielding 
    Deiev, O.S.; Bochek, G.L.; Dubina, V.N.; Kiprich, S.K.; Vasilyev, G.P.; Yalovenko, V.I.; Ovchinnik, V.D.; Shulika, M.Y. (Вопросы атомной науки и техники, 2019)
    In GEANT4 spectral-angular distributions of the bremsstrahlung of medium-energy electrons from amorphous targets of different thickness and atomic charge were calculated. The total yield of gamma quanta in the forward ...
  • Cross section asymmetry of the ¹²C(γ→,p0)¹¹B and ¹²C(γ→,p1)¹¹B reactions at photon energies 40...55 MeV 
    Burdeinyi, D.D.; Brudvik, J.; Ganenko, V.B.; Hansen, K.; Fissum, K.; Livingston, K.; Isaksson, L.; Lundin, M.; Nilsson, B.; Schröder, B. (Вопросы атомной науки и техники, 2019)
    The asymmetry of the cross section of the ¹²C(γ→,p0)¹¹B and ¹²C(γ→,p1)¹¹B reactions has been measured in the energy range 40...55 MeV using linearly polarized tagged photons of the MAX-lab facility. The asymmetry of the ...
  • Development and comparison of the methods of automatical searching of peaks in γ-spectra 
    Berezhnoy, A.Yu.; Lyashko, Yu.V. (Вопросы атомной науки и техники, 2019)
    We elaborated the program of γ-spectra processing called "GAMMAPEAKS" which approximates peaks in spectra by auss functions. We included two new algorithms which mark peaks in spectra to the new program version. The peaks ...
  • Gamma-radiation spectra of 1200MeV electrons in thick beryllium, silicon and tungsten single crystals 
    Bochek, G.L.; Deiev, O.S.; Kulibaba, V.I.; Maslov, N.I.; Ovchinnik, V.D.; Potin, S.M.; Schramenko, B.I. (Вопросы атомной науки и техники, 2019)
    Gamma radiation spectra of 1200MeV electrons from the single crystals of the beryllium 1.2mm thick, silicon 1.5mm and 15mm thick and tungsten 1.18mm thick along of the crystallographic axes were measured. Also spectral-angular ...
  • Isomer ratios in photonuclear reactions with multiple neutron emission 
    Vodin, O.M.; Bezshyyko, O.A.; Golinka-Bezshyyko, L.O.; Kadenko, I.M.; Kushnir, V.A.; Kotenko, A.V.; Lubynets, O.V.; Mitrochenko, V.V.; Olejnik, S.M.; Perezhogin, S.A.; Vallerand, C. (Вопросы атомной науки и техники, 2019)
    The aim of this work is studying of gamma-quanta energy dependence of isomeric ratios in A(γ,xn)m,g(A − r n) reactions in energy range 35...100MeV , i.e. beyond Great Dipole Resonance (GDR) region. Experimental data were ...
  • Method of magnetic separation in flight 
    Zub, S.I.; Zub, S.S.; Lyashko, S.I. (Вопросы атомной науки и техники, 2019)
    Mathematical models: the source of magnetic field, the lump of ore (paramagnetic body) have been created. The ore dynamics in magnetic field is considered taking into account gravity and aerodynamic drag force. The results ...
  • Methods for describing the shape of defective nanostructured formations in materials under irradiation 
    Kul’ment’ev, A.I. (Вопросы атомной науки и техники, 2019)
    Within the framework of the program of using modern computer methods in the task of developing radiation-resistant materials for IV-generation reactors, several methods for describing the form of local atomic segregations ...
  • Notes on coherent polarization X-ray radiation by relativistic electrons in a crystal 
    Morokhovskii, V.L. (Вопросы атомной науки и техники, 2019)
    This paper deals with restrictions on the use of so-called kinematical theory of coherent polarization X-ray radiation by relativistic electrons in a single crystal target.
  • Optimization of ignition zone of advanced fast reactor, working in nuclear burning wave mode 
    Fomin, S.P.; Kirdin, A.I.; Malovytsia, M.S.; Pilipenko, V.V.; Shul’ga, N.F. (Вопросы атомной науки и техники, 2019)
    This article deals with the problem of optimizing composition and structure of the ignition zone of the fast reactor operating in the self-sustaining mode of nuclear burning wave with the purpose of its smooth start-up and ...
  • Radiation resistance of composite scintillators 
    Boyarintsev, A.Yu.; Galunov, N.Z.; Gerasymov, Ia.V.; Gorbacheva, T.E.; Grinyov, B.V.; Karavaeva, N.L.; Khabuseva, S.U.; Krech, A.V.; Levchuk, L.G.; Martynenko, E.V.; Popov, V.F.; Sidletskiy, O.Ts.; Tarasenko, O.A. (Вопросы атомной науки и техники, 2019)
    Radiation resistance of composite scintillators containing grains of organic or inorganic single crystals has been analysed. The analysis is based on the study of composite scintillators containing grains Gd₂SiO₅:Ce (GSO:Ce), ...
  • Synergism and antagonism of influence low dose radiation and environment on health of population in Ukraine 
    Dikiy, N.P.; Medvedeva, E.P. (Вопросы атомной науки и техники, 2019)
    The genesis of carcinogenic diseases is characterized by a multifactor dependence. The effect of low dose radiation in combination with environmental factors has a significant number of features. It was studied the influence ...
  • Theoretical study of influence of modification of the metal surface on magnitude of the field emission current in gradient-stable accelerating structures 
    Musiienko, I.I.; Kholodov, R.I. (Вопросы атомной науки и техники, 2019)
    Quantum-mechanical problem on electron motion through the model potential barrier of the metal-vacuum system with an additional near-surface dipole layer is considered. Taking into account the continuity conditions of the ...
  • The reaction ⁴He(γ,p)³H, caused by polarized photons in the giant resonance range 
    Peretiatko, A.A.; Murtazin, R.T.; Khodyachikh, A.F. (Вопросы атомной науки и техники, 2019)
    The reaction of ⁴He(γ,p)³H in the range of giant resonance was studied by a streamer chamber method in a magnetic field irradiated with polarized photons obtained by plane channeling of electrons by a diamond crystal. The ...
  • The static optimization task of optimal design of nonlinear electronic scheme 
    Didmanidze, Ibraim; Donadze, Mikheil (Вопросы атомной науки и техники, 2019)
    The article deals with such an important selection of the elements of electronic scheme of the given configuration, when the certain requirements of technical task are satisfied and at the same time the selected optimality ...
  • The study of the properties of the extended Higgs boson sector within hMSSM model 
    Obikhod, T.V.; Petrenko, E.A. (Вопросы атомной науки и техники, 2019)
    Using the latest experimental data, performed by ATLAS Collaboration and within the framework of the Minimal Supersymmetric Standard Model, we presented the calculations for cross sections times branching fractions, σ × ...
  • The thermal-hydraulic calculation in a fuel cartridge when the symmetry of fuel rods packing is broken 
    Sheyko, T.I.; Maksimenko-Sheyko, K.V.; Uvarov, R.A.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2019)
    In the work, the problem of convective heat transfer in the fuel cartridge with fuel rods, including the case of broken symmetry in the packing of rods, is solved with new design tools of the R-functions method and the ...
  • Three-body photodisintegration of ⁴He nucleus by linearly polarized photons 
    Peretiatko, A.A.; Murtazin, R.T.; Khodyachikh, A.F. (Вопросы атомной науки и техники, 2019)
    Experimental data are reported from studies of the reaction ⁴He(γ, pn)d through the use of the streamer chamber placed in the magnetic field and exposed to a linearly polarized photon beam from the electron linac LUE-2000. ...
  • Using graph-analytical methods modeling of system objects to determine integrated assessment of their state 
    Kozulia, T.V.; Kozulia, M.M. (Вопросы атомной науки и техники, 2019)
    In article is determined of object state in researching "system - environment" based on system analytic-graph modeling for representation real relationships and relations between any systems in nature. Justified non-standard ...
  • Variation of impurity element content,structure and phase composition of the teeth at inflammatory odontogenic diseases 
    Dikiy, N.P.; Bereznyak, E.P.; Grigorov, S.N.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Rekova, L.P.; Hodyreva, Y.S. (Вопросы атомной науки и техники, 2019)
    Gamma-activation analysis on LUE NSC KIPT was used to measure macro-, microelements and ²²⁴,²²⁶,²²⁸Ra in intact teeth and teeth with in ammatory odontogenic diseases. A comparative analysis of the phase composition of the ...
  • Without a conflict model of electron 
    Tchaban, Vasil (Вопросы атомной науки и техники, 2019)
    The model of electron is offered with quark distribution of charge density and ”white hole” (on similarity of ”black hole” in gravitation) in a center. Such structure abolishes the crisis of electromagnetic mass, calculated ...

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