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Перегляд Problems of Atomic Science and Technology, 2020, № 3 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2020, № 3 за назвою

Сортувати за: Порядок: Результатів:

  • Kharkiv test platform for research and development of Si spectrometric planar detectors and detectors arrays for medical application 
    Kapliy, O.A.; Kiprich, S.K.; Maslov, N.I.; Ovchinnik, V.D.; Potin, S.M.; Shlyahov, I.N.; Shulika, M.Yu.; Vasiliev, G.P.; Yalovenko, V.I. (Вопросы атомной науки и техники, 2020)
    A universal test platform for research and development of planar radiation detectors for use in medicine has been created having the possibility of obtaining complete information about the characteristics of the detector ...
  • Maximum transformer ratio at wakefield excitation at blowout regime in plasma by electron bunch under semi-gaussian charge distribution 
    Bondar, D.S.; Maslov, V.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2020)
    Using 2d3v code LCODE, the numerical simulation of nonlinear wakefield excitation in plasma by shaped relativistic electron bunch with charge distribution, which increases according to Gaussian charge distribution up to ...
  • Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams 
    Batrakov, A.B.; Glushko, E.G.; Zinchenko, A.A.; Lonin, Y.F.; Ponomarev, A.G.; Fedotov, S.I. (Вопросы атомной науки и техники, 2020)
    Noise-protected high charge voltage meter was manufactured using terminal capacitors of the four-channel pulse voltage generator (PVG). The noise protection is provided by the use of communication lines with fiberoptic ...
  • Nd-Fe-B magnets under electron irradiation with the energy of 23 MeV 
    Bovda, V.A.; Bovda, А.М.; Guk, I.S.; Dovbnya, A.N.; Lyashchenko, V.N.; Mytsykov, A.O.; Onishchenko, L.V.; Каndybei, S.S.; Repikhov, О.А. (Вопросы атомной науки и техники, 2020)
    Four Nd-Fe-B magnets underwent irradiation under 23 MeV electron beam. Nd-Fe-B magnets were magnetized to the technical saturation in the magnetic field of 3.5 T before electron treatment. Two Nd-Fe-B samples (1 and 2) ...
  • Non-stationary model of the solar core 
    Skoromnaya, S.F.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2020)
    The main parameters of the standard model of the Sun are considered, according to which the Sun is considered as a spherically symmetric and quasistatic star, and thermonuclear reactions of the pp-cycle mainly occur inside ...
  • NSC KIPT positron source. Pre-project research 
    Bulyak, E.V.; Dovbnya, A.N.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Opanasenko, A.N. (Вопросы атомной науки и техники, 2020)
    We present the results of theoretical and numerical studies on the source of slow positrons for NSC KIPT. The positrons are intended to generate with the electrons of 9, 40 or 90 MeV available at the KIPT electron linacs. ...
  • Numerical simulation of multibeam systems by EL&ION code 
    Martynenko, P.A. (Вопросы атомной науки и техники, 2020)
    Based on the tube method, taking into account the three second law for the current in each tube, the program EL&ION for preliminary rapid numerical analysis of the electron-optical system was developed, using which the ...
  • On coherent and incoherent scattering of fast charged particles in ultrathin crystals 
    Shulga, N.F.; Koriukina, V.D. (Вопросы атомной науки и техники, 2020)
    We consider the fast charged particles scattering in ultrathin crystals on the base of the Born approximation of quantum electrodynamics. The main attention is paid to the question of the scattering cross section splitting ...
  • On generation of a wave package in a waveguide, filled active medium 
    Kostenko, V.V.; Kuklin, V.M.; Poklonskiy, E.V. (Вопросы атомной науки и техники, 2020)
    Excitation of electromagnetic waves in a waveguide with a medium, which is a two-level system, is considered. To describe the processes, both classical electrodynamics methods and quantum mechanics methods are used. The ...
  • On the multipurpose use of a portable neutron source 
    Kuplennikov, E.L.; Vodin, A.N.; Deiev, O.S.; Kandybei, S.S.; Olejnik, S.N.; Stoyanov, A.F.; Timchenko, I.S.; Trubnikov, V.S.; Tsymbal, V.A. (Вопросы атомной науки и техники, 2020)
    The possibility of creating a multipurpose complex for generating a reference field of thermal neutrons based on a portable neutron source (PNS) is considered. It has been shown that our method can be used to detect fissile ...
  • On the possibility to detect acts of cluster decay of atomic nuclei by the methods of noise diagnostic 
    Skorbun, A.D.; Kuchmagra, O.A.; Odinokin, G.I.; Maslyuk, V.T.; Romanyuk, M.I. (Вопросы атомной науки и техники, 2020)
    Cluster decay, as a special type of radioactive decay, up to date, is widely investigated. Nevertheless, until now, this activity is restricted: from one side by the possibilities of theoretical analysis, where some success ...
  • Power supply system for the helium ions linac’s injector 
    Anokhin, R.A.; Dubnyuk, S.N.; Gaponenko, N.І.; Zhuravlyov, V.G.; Zhuravlyov, A.V.; Zabotin, A.V.; Zajtsev, B.V.; Kravchenko, A.I.; Kobets, A.F.; Manuilenko, O.V.; Reshetnikov, V.N.; Svichenskiy, V.G.; Soshenko, V.A.; Shevchеnko, А.С. (Вопросы атомной науки и техники, 2020)
    This paper presents compact power supply system for the helium ion linac’s injector. The system consists of high-voltage modulator, power supplies of cathode filament, solenoid and arc modulator. It is designed on modern ...
  • Precision doublet of magnetic quadrupole lenses for ion beam formation 
    Ponomarev, A.G.; Rebrov, V.A.; Kolinko, S.V.; Salivon, V.F. (Вопросы атомной науки и техники, 2020)
    The precision doublet of magnetic quadrupole lenses is presented. The doublet yoke and poles made from a single piece of soft magnetic iron. Doublet manufacturing technology provides of alignment of the geometric axes in ...
  • Proposal for creation of positron-emission tomography center on the basis of school of medicine and school of physics and technology of Kharkiv National University 
    Voronko, V.O.; Dronov, R.N.; Shramenko, B.I.; Beloziorov, І.V.; Girka, I.O. (Вопросы атомной науки и техники, 2020)
    The creation of a PET center in the Kharkov region is proposed. This is facilitated by the transfer of the cyclotron by the Julich Research Center (Germany) to Kharkiv, which will ensure the development of the diagnostic ...
  • Quartz accelerator of charged particles 
    Ivashchuk, O.O.; Shchagin, A.V.; Kubankin, A.S.; Nikulin, I.S.; Miroshnik, V.S.; Volkov, V.I.; Ionidi, V.Y.; Chepurnov, A.S.; Oleinik, A.N.; Lepeshko, D.A.; Zhukova, M.A. (Вопросы атомной науки и техники, 2020)
    Results of first experiments with piezoelectric accelerator built on quartz crystals as piezoelectric elements are presented. Accelerating voltage in such quartz accelerator is produced at compression in vacuum of quartz ...
  • Research of the state of internal surfaces of a supercritical water loop after a session of irradiation 
    Azarov, A.I.; Bakai, A.S.; Boriskin, V.N.; Bocharov, V.A.; Gorenko, Yu.V.; Dolzhek, M.A.; Zaitsev, E.I.; Momot, V.A.; Solodovnikov, V.I.; Tytov, V.Yu.; Shelepko, S.V. (Вопросы атомной науки и техники, 2020)
    Made of austenitic steel at the NSC KIPT, the supercritical water convection loop Loop-1a was running for more than 500 hours in the first experimental session (in 2011). The materials tested in the loop were placed into ...
  • Research on copper-67 separation obtained by photo-nuclear from zinc of natural composition 
    Azarov, O.I.; Bocharov, V.O.; Stoyanov, O.F. (Вопросы атомной науки и техники, 2020)
    In the world, it is planned to produce promising for the manufacture of radiopharmaceuticals of radioisotope copper-67 by the reaction of its production from zinc-68 under the influence of γ-radiation on an electron ...
  • Short pulse electron linac with full beam loading compensation 
    Mytrochenko, V.V.; Perezhogin, S.O.; Zhyglo, V.Ph.; Opanasenko, А.M. (Вопросы атомной науки и техники, 2020)
    Acceleration of intense short-pulsed electron beams in transient mode with energy spread about a few tenths of a percent is the actual problem for RF linacs, in an instance, for an electron injector of a storage ring. In ...
  • Source of positrons on the base of linac LUE-40 
    Perezhogin, S.A.; Bulyak, E.V.; Kushnir, V.A.; Mytrochenko, V.V.; Selivanov, L.I. (Вопросы атомной науки и техники, 2020)
    The results of the numeral studies of the source of positrons for NSC KIPT are presented. The positrons are to produce from conversion of the 40 MeV electrons. The bunches of such electrons will be provided by the linac ...
  • The ion energy in a plasma resonator excited by a powerful microwave pulse at ECR frequency 
    Antonov, A.N.; Antipov, V.S.; Kornilov, E.A.; Miroshnichenko, V.A.; Vinokurov, V.A. (Вопросы атомной науки и техники, 2020)
    The possibility of heating argon plasma ions with a density of ≈10¹³ cm⁻³ to 2 keV in a resonator placed in a magnetic field of a plug configuration when oscillations were excited at an electron-cyclotron resonance frequency ...

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