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Перегляд Problems of Atomic Science and Technology, 2019, № 6 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2019, № 6 за датою випуску

Сортувати за: Порядок: Результатів:

  • Cherenkov radiation of the relativistic electron bunch in ion dielectric media 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2019)
    The process of wakefields excitation by the relativistic electron bunch in dielectric media with ion type of chemical bond is studied. The spatio-temporal structure of the excited wakefield in ion dielectric waveguide is ...
  • Two dipole magnetic systems for technological electron accelerator 
    Bovda, V.А.; Bovda, А.М.; Guk, I.S.; Dovbnya, А.N.; Kononenko, S.G.; Lyashchenko, V.N.; Mytsykov, А.О.; Onishchenko, L.V. (Вопросы атомной науки и техники, 2019)
    For a 10 MeV technological accelerator, a dipole magnet with a permanent magnetic field was created using the SmCo alloy. The maximum magnetic field in the magnet gap was 0.3 T. The magnet is designed to measure the energy ...
  • Acceleration of particles by the fields of wave packets 
    Buts, V.А.; Kuzmin, V.V.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2019)
    The dynamics of particles in the field of a wave packet excited in a plasma is considered. The conditions are found under which such dynamics is regular, and when it becomes chaotic. It was found that the well-known ...
  • Control of characteristics of self-injected and accelerated electron bunch in plasma by laser pulse shaping on radius, intensity and shape 
    Maslov, V.I.; Bondar, D.S.; Grigorencko, V.; Levchuk, I.P.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2019)
    At the laser acceleration of self-injected electron bunch by plasma wakefield it is important to form bunch with small energy spread and small size. It has been shown that laser-pulse shaping on radius, intensity and shape ...
  • Development and improvement of switching stands of high-voltage LUE modulators 
    Beloglazov, V.I.; Kosoy, O.I.; Mats, V.A.; Romasko, V.P.; Chertischev, I.A.; Tytov, V.Yu.; Chaika, I.O.; Titarenko, Yu.A.; Tur, Yu.D. (Вопросы атомной науки и техники, 2019)
    The results of the development, operation and improvements of switch racks are presented. Particular attention is paid to the control and protection systems of both the thyratrons themselves and the control units of the ...
  • RF power supply system for ion technology accelerator 
    Vdovin, S.A.; Gladkiy, N.P.; Gorajinov, O.M.; Gussev, Ye.V.; Kovalenko, V.F.; Koval, O.G.; Lobzov, L.D.; Makhnenko, P.L.; Manuilenko, O.V.; Ponomarchuk, E.I.; Podolayk, O.P.; Sokil, V.N. (Вопросы атомной науки и техники, 2019)
    An analytical complex is being created at the NSC KIPT for the study of materials by activation analysis. The design, characteristics and tuning results of the first channel of the high-frequency power supply system of the ...
  • Development and experimental studies of methods for increasing the stability of materials of accelerating structures to high vacuum electrical discharges 
    Baturin, V.A.; Karpenko, A.Yu.; Yeryomin, S.A. (Вопросы атомной науки и техники, 2019)
    The experimental technique is described and the results of a study of the resistance to high vacuum electrical breakdowns of copper samples coated with thin films of titanium nitride are presented. The studies were carried ...
  • Plasma dynamics in accelerator with plasma opening switch 
    Druj, O.S.; Yegorenkov, V.V.; Onyshchenko, I.M.; Yuferov, V.B. (Вопросы атомной науки и техники, 2019)
    Plasma propagation in the pulse electron accelerator chamber with a plasma opening switch is investigated. Output beam and X-ray radiation parameters are shown to vary depending on the plasma channel location at the moment ...
  • Specificity of simulation of low energies accelerating structures 
    Vdovin, S.A.; Gussev, Ye.V. (Вопросы атомной науки и техники, 2019)
    Parameters of the H-resonator: the resonant frequency, the distribution of phases and amplitudes of the high- frequency field in the accelerating gaps are mainly determined by the load that forms the acceleration channel. ...
  • Nonlocal equations for the electromagnetic field in the inhomogeneous accelerating structures 
    Ayzatsky, M.I. (Вопросы атомной науки и техники, 2019)
    The procedure for obtaining a difference equation, the solution of which is the components of the electric (or magnetic) field at the chosen set of points in the volume of the resonator chain, was developed. We started ...
  • Electron beam dynamics at output magnetron gun in gradient magnetic field 
    Mazmanishvili, A.S.; Reshetnyak, N.G. (Вопросы атомной науки и техники, 2019)
    The results of numerical calculations based on the electron beam dynamics generated by a magnetron gun in the transport channel in a gradient magnetic field are presented. The dependence of the final transverse distribution ...
  • Attainable electron energy in diode with plasma cathode at the given voltage 
    Ostroushko, V.; Pashchenko, A.; Pashchenko, I. (Вопросы атомной науки и техники, 2019)
    It is considered an acceleration of electrons in a one-dimensional interval, part of which is filled by ions initially compensated by electrons. For the stages of forward motion and backward motion of a part of electrons, ...
  • On beam propagation stability in a linac accelerating channel based on combined RF-focusing 
    Tishkin, S.S.; Shulika, M.G.; Shulika, O.M. (Вопросы атомной науки и техники, 2019)
    The issue of simultaneous longitudinal and transverse particle propagation stability in a linear ion accelerator channel based on combined RF-focusing is investigated. Values for RFQ field gradient to provide transverse ...
  • Radiation of virtual cathode sequence in magnetized relativistic electron beam 
    Gorban, А.М.; Lonin, Yu.F.; Ponomaryov, A.G. (Вопросы атомной науки и техники, 2019)
    The numerical simulation method has been applied to investigate the characteristics of radiation from the sequence of two or three virtual cathodes (VC) which are formed in the magnetized plane relativistic electron beam. ...
  • Particle dynamics in the injector of ion linear induction accelerator 
    Karas’, V.I.; Kornilov, E.A.; Manuilenko, O.V.; Fedorovskaya, O.V. (Вопросы атомной науки и техники, 2019)
    The investigations of the particle dynamics in the injector of a linear induction accelerator (LIA) in the presence of an accelerating electric field and a uniform longitudinal magnetic field of various magnitudes have ...
  • Semiconductor driver of pyroelectric accelerator of charged particles 
    Ivashchuk, O.O.; Shchagin, A.V.; Kubankin, A.S.; Ionidi, V.Yu; Chepurnov, A.S. (Вопросы атомной науки и техники, 2019)
    The possibility for application of semiconductor element for heating of pyroelectric crystalin a pyroelectric ac- celerator of charged particles or pyroelectric X-ray generator is at first proposed and demonstrated ...
  • Interdigital structures of heavy ions linear accelerators: their tuning, beams focusing and use (review) 
    Dyachenko, О.F. (Вопросы атомной науки и техники, 2019)
    The review interdigital H-accelerating structures (IHAS) of the heavy ions linear accelerators developed in NSC KIPT throughout several tens of years is presented. It is shown that in structures with individual stems all ...
  • Propagation of optical femtosecond pulses through quartz and glass ВК-7 
    Leshchenko, V.P.; Povrozin, A.I.; Sotnikov, G.V.; Vasiliev, A.V.; Galaydych, K.V.; Karelin, S.Yu. (Вопросы атомной науки и техники, 2019)
    In the approximation of dispersion theory to the fourth order inclusive, a theoretical study of the propagation of optical femtosecond pulses of a Gaussian profile and a profile proportional to the hyperbolic secant through ...
  • Research of the composition of oxide layer and corn of the klystron cathodes with different degree of development 
    Vangha, S.O.; Dronov, R.M.; Mats, V.O.; Medvediev, O.V.; Tytov, V.Yu.; Tur, Yu.D.; Chayka, I.O.; Yaroshenko, E.A. (Вопросы атомной науки и техники, 2019)
    In accordance with the work program for the restoration of klystrons, a cycle of studies was carried out, which includes X-ray fluorescence analysis of the composition of the emitter layer and core of oxide cathodes with ...
  • Anomalous modulation of the wave field in a plasma waveguide 
    Kuklin, V.M.; Poklonskiy, E.V. (Вопросы атомной науки и техники, 2019)
    The consequences of the development of the modulation instability of an intense wave field in a waveguide filled with plasma are considered. It is shown that in the mode of developed instability, the amplitude of the main ...

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