Перегляд за автором "Onishchenko, I.N."

Сортувати за: Порядок: Результатів:

  • 2.5D simulation of plasma wakefield excitation by a nonresonant train of relativistic electron bunches 
    Lotov, K.V.; Maslov, V.I.; Onishchenko, I.N.; Svistun, E.N. (2010)
    By using 2d3v code LCODE the investigations in detail of the reconstruction of a long nonresonant train of relativistic electron bunches into resonant one at plasma wakefield excitation are presented. Because of bunch ...
  • Accelerating field excitation, occurrence and evolution of electron beam near Jupiter 
    Maslov, V.I.; Fomina, A.P.; Kholodov, R.I.; Levchuk, I.P.; Nikonova, S.A.; Novak, O.P.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2018)
    When electron beam, formed Io-Jupiter penetrates into Jupiter plasma the beam-plasma instability develops. Then electron distribution function becomes wider by excited fields. These electrons cause UV polar light. The ...
  • Acceleration and focusing of electron bunches by wakefields in plasma produced in neutral gas by a nonresonant sequence of bunches 
    Kiselev, V.A.; Linnik, A.F.; Onishchenko, I.N.; Pristupa, V.I. (Вопросы атомной науки и техники, 2012)
    It is experimentally investigated the possibility of accelerating and focusing of relativistic electron bunches by wakefields excited by their sequence in plasma, produced during its passage through the neutral gas, caused ...
  • Acceleration of electrons at wakefield excitation by a sequence of relativistic electron bunches in dielectric resonator 
    Kiselev, V.A.; Linnik, A.F.; Mirnyj, V.I.; Onishchenko, I.N.; Uskov, V.V. (Вопросы атомной науки и техники, 2009)
    Method is proposed to divide a regular sequence of electron bunches into parts of bunches driving wakefield and witness bunches, which should be accelerated. It allows to avoid the necessity of additional electron accelerator ...
  • Amplitude of vortical turbulence in crossed fields in separator of spent nuclear fuel at optimum parameters 
    Levchuk, I.P.; Maslov, V.I.; Onishchenko, I.N.; Yegorov, A.M.; . Yuferov, V.B. (Вопросы атомной науки и техники, 2016)
    Properties and excitation of the vortical turbulence, excited in a cylindrical radially inhomogeneous plasma in crossed radial electric and longitudinal magnetic fields of separator of spent nuclear fuel, are considered. ...
  • Comparative analysis of excitation of LSM and lSE waves by a bunch train in dielectric loaded rectangular resonator 
    Marshal, T.C.; Onishchenko, I.N.; Sotnikov, G.V (Вопросы атомной науки и техники, 2006)
    The results of a three-dimensional analysis of wake field excitation in a slab-symmetric dielectric-loaded resonator by rigid electron bunches are presented. The complete set of solutions, including the solenoidal and ...
  • Concept of plasma-dielectric wakefield accelerator. Theory and experiment 
    Berezina, G.P.; Galaydych, K.V.; Kniaziev, R.R.; Linnik, A.F.; Markov, P.I.; Omelayenko, O.L.; Onishchenko, I.N.; Pristupa, V.I.; Sotnikov, G.V.; Us, V.S. (Вопросы атомной науки и техники, 2015)
    The wakefield excitation by a long sequence of relativistic electron bunches in a dielectric waveguide/resonator of round cross-section with transit channel filled with plasma of various densities was theoretically and ...
  • Confinement theorem for high-current plasma lens 
    Goncharov, A.A.; Maslov, V.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2000)
    The theorem about a fraction of magnetized electrons, which could reach the cylindrical wall, is generalized for the case of collisionless plasma lens for focusing of ion beams. Long electron column is considered. The ...
  • Cumulation and acceleration of ions by TW femtosecond laser pulse 
    Balakirev, V.A.; Dovbnya, A.N.; Yegorov, A.M.; Krasnogolovets, M.A.; Onishchenko, I.N.; Onishchenko, N.I.; Povrozin, A.I.; Pristupa, V.I. (Вопросы атомной науки и техники, 2004)
    A new method of ion cumulation and acceleration at three-dimensional compression of plasma in the ”light trap” created in the focal region of the high-power femtosecond laser is theoretically studied. The ”light trap” ...
  • Cylindrical wiggler based on the solenoid loaded with different magnetic properties rings 
    Kopiychenko, D.Yu.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2004)
    The electrodynamics analysis of topography of constant magnetic fields originating in spatially periodic system is carried out. The system under investigation is the solenoid inside which rings from materials with different ...
  • Decontamination of drug vegetative raw material by relativistic electron beam 
    Gorbanyuk, A.G.; Dikiy, I.L.; Egorov, A.M.; Zemliansky, N.M.; Kiselev, V.A.; Linnik, A.F.; Mirny, V.I.; Onishchenko, I.N.; Uskov, V.V. (Вопросы атомной науки и техники, 2004)
    The new technology of decontamination of drug vegetative raw material and medical products is proposed. Advantages of use of relativistic beams in a range of electron energies from 0.5 MeV to 5 MeV for these purposes ...
  • Development of a nuclear diagnosing proton beam for a collective ion accelerator 
    Dikiy, N.P.; Medvedev, D.V.; Onishchenko, I.N.; Pushkarev, S.S. (Вопросы атомной науки и техники, 2006)
    A nuclear method for determination of energy and intensity of a proton beam is proposed to use for investigation of collective ion acceleration by space charge waves arisen in an intense relativistic electron beam (REB) ...
  • Dielectric waveguides for electron acceleration by laser pulse wakefield 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2018)
    Conditions on parameters of the dielectric waveguides are determined for the possibility of laser pulse propagation with relativistic group velocity. In such waveguides laser pulse can excite electromagnetic wake waves, ...
  • Distributed vorticity and density uniformity in plasma lens 
    Goncharov, A.A.; Maslov, V.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2000)
    The influence of spatially distributed vorticity on the lifetime of discrete electron vortices in plasms lens is investigated analytically. The several mechanism is shown to lead to enhance a process of merging of discrete ...
  • Dynamics of self-injected electron bunches at their acceleration by laser pulse in plasma 
    Bondar, D.S.; Levchuk, I.P.; Maslov, V.I.; Nikonova, S.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2017)
    Dynamics of self-injected electron bunches has been numerically simulated in blowout regime at self-consistent change of electron bunch acceleration by plasma wakefield, excited by a laser pulse, to additional their ...
  • Effects of vortices on ion beam focusing in a plasma lens 
    Goncharov, A.A.; Gubarev, S.N.; Maslov, V.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2001)
    For high-current ion-beam focusing a vortical turbulence has been excited in plasma lens by the nonremovable gradient of an external magnetic field. The paper presents theoretical investigation, in the cylindrical ...
  • Elaboration of plasma-dielectric wakefield accelerator 
    Onishchenko, I.N.; Berezina, G.P.; Galaydych, K.V.; Kniazev, R.R.; Linnik, A.F.; Markov, P.I.; Omelaenko, O.L.; Pristupa, V.I.; Sotnikov, G.V.; Us, V.S. (Вопросы атомной науки и техники, 2016)
    Theoretical and experimental investigations of the physical principles of wakefield accelerator based on the excitation of accelerating wakefield in the plasma-dielectric structure by a long sequence of relativistic ...
  • Electric barrier formation in kind of connected dip and hump of electric potential near ECR point 
    Barchuk, S.V.; Lapshin, V.I.; Maslov, V.I.; Onishchenko, I.N.; Tretyakov, V.N. (Вопросы атомной науки и техники, 2002)
    The self-consistent formation, observed in experiments, of the solitary barrier for plasma electrons and ions has been analytically described.
  • Electromagnetic field excitation by an electron bunches in a partially filled cylindrical dielectric resonator 
    Galaydych, K.V.; Sotnikov, G.V.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2015)
    A nonlinear self-consistent theory of wakefield excitation by an electron bunches in cylindrical resonator with longitudinally nonuniform filling by dielectric is constructed. A bunch-excited field are presented in the ...