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

Репозиторій DSpace/Manakin

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

Сортувати за: Порядок: Результатів:

  • Estimation of BBU threshold current in an inhomogeneous accelerating section 
    Ayzatsky, M.I.; Kramarenko, K.Yu.; Mytrochenko, V.V. (Вопросы атомной науки и техники, 2020)
    In this work we describe the procedure of estimation of regenerative beam blowup threshold current in an inhomogeneous accelerating section. The self-consistent problem of transverse motion of particles in the field of ...
  • 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 ...
  • Acceleration of particles by intensive electromagnetic fields in a vacuum with external magnetic field 
    Buts, V.А.; Kuzmin, V.V.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2020)
    The possibilities and conditions of effective interaction, in particular acceleration, of charged particles by the field of an intense plane electromagnetic wave in the presence of an external constant magnetic field are ...
  • Homogeneous focusing field for short relativistic electron bunches in plasma 
    Maslov, V.I.; Levchuk, I.P.; Bondar, D.S.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2020)
    Plasma wake lens in which all short relativistic electron bunches of sequence are focused identically and uniformly is studied analytically and by numerical simulation. For two types of lenses necessary parameters of focused ...
  • 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 ...
  • 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 ...
  • Excitation of the wake waves by a laser pulse in ion dielectrics 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2020)
    The process of excitation of Cherenkov electromagnetic radiation by a laser pulse in ion dielectric waveguide is investigated. Nonlinear electric polarization in isotropic ion dielectric medium and, accordingly, polarization ...
  • Assessment of energy efficiency of high-voltage LUE modulators 
    Kosoy, O.I.; Matz, V.O.; Romasko, V.P.; Titarenko, Yu.A.; Tytov, V.Yu.; Titov, D.V.; Tur, Yu.D.; Chaika, I.O.; Chertishchev, I.A.; Yaroshenko, E.A. (Вопросы атомной науки и техники, 2020)
    An assessment of the energy efficiency of pulse modulators of technological accelerators at the NSC KIPT. The influence of the parameters of a pulse transformer on a voltage pulse at a load is investigated. The possibilities ...
  • 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 ...
  • Dielectric RF resonators with open boundaries for studying radiation effect on electrodynamic characteristics of solid dielectrics 
    Kushnir, V.A.; Kramarenko, K.Yu.; Mytrochenko, V.V.; Nikitina, O.D.; Perezhogin, S.A.; Selivanov, L.I. (Вопросы атомной науки и техники, 2020)
    The use of dielectric materials in the charged particles accelerators requires investigation of changes in the electrodynamic properties of these materials under the influence of ionizing radiation. First of all it is ...
  • 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 ...
  • 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 ...
  • Electron beam transversion management on exit of magnetic gun by gradient magnetic field 
    Mazmanishvili, A.S.; Reshetnyak, N.G.; Romasko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2020)
    The results of experimental studies and modeling calculations for controlling the transverse dimensions of an electron beam formed by a magnetron gun with a secondary emission cathode are presented. In the gun, the secondary ...
  • 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) ...
  • Development of a pulse solenoid of magnetic field amplitude up to 0.5 T and a pulse sinusoidal current generator for its power supply 
    Reshetnyak, N.G.; Romasko, V.P.; Chertishev, I.A. (Вопросы атомной науки и техники, 2020)
    The magnetic system of the installation to control the transverse dimensions of an electron beam formed by a magnetron gun with a secondary emission cathode was updated. An additional solenoid with pulsed power supply ...
  • 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. ...
  • 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 ...
  • An accelerating channel of intermediate part of high-current proton linac based on combined focusing by rf field 
    Tishkin, S.S.; Shulika, M.G.; Shulika, O.M. (Вопросы атомной науки и техники, 2020)
    Particle dynamics in an accelerating-and-focusing channel of intermediate part of a proton linac based on combined rf-focusing under following conditions: energy range 3…100 MeV, current 100 mA, and acceleration rate 5 ...

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