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Перегляд Problems of Atomic Science and Technology, 2021, № 4 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2021, № 4 за назвою

Сортувати за: Порядок: Результатів:

  • Acceleration of electron bunches using periodic dielectric structures with and without coating 
    Vasyliev, A.V.; Bolshov, O.O.; Galaydych, K.V.; Povrozin, A.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2021)
    The numerical studies of high acceleration gradients obtaining for the dielectric laser accelerators (DLA) based on-chip structures with one-sided laser excitation at a wavelength of 800 nm are presented. The electron ...
  • Azimuthal surface waves in low-density plasma loaded, coaxial helix traveling-wave-tube-like waveguides 
    Girka, I.O.; Thumm, M. (Вопросы атомной науки и техники, 2021)
    The dispersion properties of flute electromagnetic waves propagating across an external axial static magnetic field in traveling-wave-tube-like waveguides with low-density plasma filling are investigated. The cylindrical ...
  • Computer calculation of probability for binary collisions of electrons with ions and molecules 
    Marchuk, Yu.M.; Kulyk, Yu.S.; Moiseenko, V.Е. (Вопросы атомной науки и техники, 2021)
    Computer calculation of rate coefficient for binary collision i < σᵢν > as a function of temperature is presented, and the Maxwell electron velocity distribution function is chosen. The finite elements of the fifth order ...
  • Constructional materials experimental researches on the helium ions linear accelerator 
    Butenko, V.I.; Dubniuk, S.N.; Dyachenko, A.F.; Коbets, А.P.; Manuilenko, O.V.; Pavlii, K.V.; Soshenkо, V.A.; Tishkin, S.S.; Zajtsev, B.V. (Вопросы атомной науки и техники, 2021)
    The basic parameters of an irradiation and their registration system for constructional materials irradiated on the helium ions linear accelerator are resulted. Experimental techniques and some researches results of the ...
  • Contribution of drift and diffusion to water capacity deionization 
    Kudin, D.V.; Ostroushko, V.M.; Pashchenko, A.V.; Rodionov, S.V.; Yegorov, M.O.; Zavada, L.M. (Вопросы атомной науки и техники, 2021)
    Drift and diffusion of ions in a cavity having the shape of oblate ellipsoid of revolution are considered. The obtained approximate relationship, between the time of drift and diffusion filling of deep cavity with ions, ...
  • Control of wave interaction processes in plasma 
    Buts, V.O.; Kovalchuk, I.K.; Tolstoluzhsky, O.P.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2021)
    The results of processes investigation of nonlinear interaction of wave in plasma were expounded. First of all the mechanisms of the processes control of three frequencies wave interaction were considered. It was shown ...
  • Current flow dynamics in plasma opening switch 
    Manuilenko, O.V.; Onishchenko, I.N.; Pashchenko, A.V.; Pashchenko, I.A.; Yuferov, V.B. (Вопросы атомной науки и техники, 2021)
    The electromagnetic fields and processes of current flow in the plasma channel of the plasma opening switch were considered in the electron hydrodynamics approximation. Taking into account the nature and features of the ...
  • Dependence of wakefield excitation in plasma by non-resonant sequence of electron bunches on their lengths 
    Bondar, D.S.; Boychenko, A.P.; Maslov, V.I.; Onishchenko, I.N.; Ovsiannikov, R.T. (Вопросы атомной науки и техники, 2021)
    The present paper describes the results of numerical simulation (using 2d3v code LCODE) of the regime, when the wakefield is excited at maximum growth rate in the plasma by a nonresonant sequence of relativistic electron ...
  • Determination of the optimal ozonation mode for winter garlic planting material 
    Pugach, S.G.; Zavada, L.M.; Zamuriev, O.O.; Kudin, D.V.; Opalev, P.O.; Melnyk, A.V.; Scherbina, S.A.; Semenchenko, O.L. (Вопросы атомной науки и техники, 2021)
    The study was carried out at the Institute of Vegetable and Melon Farming of the National Academy of Agrarian Sciences of Ukraine and the Department of Low-Temperature Non-equilibrium Plasma Chemistry of the NSC "Kharkov ...
  • Diffraction radiation of a particle passing by an impedance wedge 
    Ostroushko, V.M. (Вопросы атомной науки и техники, 2021)
    The diffraction radiation field generated by the charged particle passing by the perfectly conductive or impedance wedge is considered. With perfect conductivity, the wedge rotation around the edge fixed along with the ...
  • Diffusion in momentum of relativistic electrons with a thermal spread passing through an undulator 
    Ognivenko, V.V. (Вопросы атомной науки и техники, 2021)
    The longitudinal momentum diffusion of electrons moving in a spatially periodic magnetic field of an undulator is investigated, taking into account their initial energy spread. Expressions for the coefficient are obtained ...
  • Dissipative instabilities and superradiation regimes (classic models) 
    Kuklin, V.M.; Poklonskiy, E.V. (Вопросы атомной науки и техники, 2021)
    The generation of an electromagnetic field by oscillators in an open resonator is discussed in a one-dimensional approximation. In this case, the development of the so-called dissipative instability - the dissipative ...
  • Energy losses of a point magnetic dipole due to interaction with a magnetized plasma cylinder 
    Averkov, Yu.O.; Prokopenko, Yu.V.; Shmat’ko, A.A.; Yakovenko, V.M. (Вопросы атомной науки и техники, 2021)
    In this work, the excitation problem of bulk-surface helicons by a point magnetic dipole moving in a vacuum parallel to the element of magnetized solid-state plasma cylinder is theoretically studied. The external magnetic ...
  • Engineering of the low-energy beam transport line in the He⁺ ions linac 
    Dubniuk, S.N.; Dyachenko, A.F.; Tishkin, S.S.; Zajtsev, B.V. (Вопросы атомной науки и техники, 2021)
    The design of a low-energy beam transport line in the helium ions linear accelerator is proposed. For experiments with the low-energy helium ions the vacuum chamber in a transport line is in addition included for an ...
  • Estimation of the role of radiation in the plasma of electric arc discharge between Cu-C composites 
    Veklich, A.; Fesenko, S.; Murmantsev, A.; Boretskij, V. (Вопросы атомной науки и техники, 2021)
    This work is devoted to investigation of the radiation in the plasma of electric arc discharge between Cu-C composite electrodes and estimation of its contribution during the determination of electron density from the ...
  • Experimental testing bench for the diagnostics of plasma generated by pulsed guns with the dielectric surface breakdown 
    Vinnikov, D.V.; Katrechko, V.V.; Yuferov, V.B.; Tkachev, V.I.; Petrenko, S.A.; Fomin, V.T. (Вопросы атомной науки и техники, 2021)
    The experimental testing bench “ETB-PG” was designed to study the operation of plasma guns. The constructional design of plasma guns with replaceable dielectric operating on the surface sparkover basis has been proposed. ...
  • Features of plasma chemical etching of lithium tantalate substrate (LiTaO₃) 
    Fedorovich, O.A.; Hladkovska, O.V.; Hladkovskyi, V.V.; Nedybaliuk, A.F. (Вопросы атомной науки и техники, 2021)
    The results of researches of plasma chemical treatment of lithium monocrystalline tantalate (LiTaO₃) from gas type, bias voltage (energy of chemically active ions) and from current of additional bias generator are given. ...
  • Focusing of positron bunch when moving in electron bunch wakefield in the dielectric waveguide filled with plasma 
    Sotnikov, G.V.; Knyazev, R.R.; Markov, P.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2021)
    The results of numerical PIC-simulation of focusing accelerated (test) positron and drive electron bunches in the dielectric waveguide filled with radially heterogeneous plasma with the vacuum channel are given in the ...
  • General characterization and ionization-recombination properties of electronegative elements present in plasma discharges at plasma current switch operation. Part I 
    Skibenko, E.I.; Yuferov, V.B.; Ozerov, A.N.; Buravilov, I.V. (Вопросы атомной науки и техники, 2021)
    Based on literary sources, we present here the data on electron affinity values for a variety of negative atomic ions, and also, for some molecules and radicals being of interest for current experimental studies. Besides, ...
  • High-current relativistic electron beam focusing in plasma 
    Manuilenko, О.V.; Pashchenko, A.V.; Svichensky, V.G.; Zajtsev, B.V. (Вопросы атомной науки и техники, 2021)
    The analysis of the envelope equation for high-current relativistic electron beam propagation in plasma in an external uniform magnetic field is presented. The envelope equation is obtained in a Hamiltonian form with an ...

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