Перегляд за автором "Onishchenko, N.I."

Сортувати за: Порядок: Результатів:

  • Coherent summation of wake fields excited by an electron bunch sequence in a planar multimode dielectric resonator 
    Onishchenko, N.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2006)
    The possibility of realization of resonator concept of dielectric wake field accelerator is studied. The requirements of implementation of this concept are obtained. Numerical simulations of wake field excitation in planar ...
  • 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” ...
  • Dielectric wakefield researches 
    Kiselev, V.A.; Linnik, A.F.; Marshall, T.C.; Onishchenko, N.I.; Uskov, V.V. (Вопросы атомной науки и техники, 2006)
    Excitation of wakefields in cylindrical dielectric waveguide/resonator by a sequence of relativistic electron bunches was investigated using an electron linac «Almaz-2» (4.5 МeV, 6·10³ bunches of duration 60 ps and ...
  • Electron acceleration by wakefields of a sequence of bunches in dielectric resonator 
    Onishchenko, N.I.; Sidorenko, D.Yu.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2004)
    The excitation of wakefields by a train of relativistic electron bunches in a cylindrical waveguide, being partially filled with a dielectric, is considered. The finite length of the waveguide along the longitudinal ...
  • Estimation of the absorbed doses of synthesized cisplatin with ¹⁹⁵mPt in various organs of animals 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Y.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L.; Gritsan, L.D.; Onishchenko, N.I. (Вопросы атомной науки и техники, 2008)
    195mPt has been obtained in reaction ¹⁹⁷Au(g,np)¹⁹⁵mPt on the electron linear accelerator with energy 40 MeV and current 10 mA. To produce ¹⁹⁵mPt from a target of gold the extractor such as Kuchera-Shtoly was needed. The ...
  • Excitation of lf ion oscillations in the systems with relativistic electron beam 
    Balakirev, V.A.; Onishchenko, N.I. (Вопросы атомной науки и техники, 2005)
    The instability of LF wave in ion flow during acceleration by space charge wave in collective ion accelerator based on high current REB, which is modulated in time and in space, is investigated.
  • Excitation of wake field and transition radiation in a semi-infinite waveguide by a relativistic electron bunch 
    Balakirev, V.A.; Onishchenko, N.I.; Sidorenko, D.Yu.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2002)
    The theoretical investigations and simulation are performed for the emission of a relativistic electron bunch during the injection into a semi-infinite vacuum/dielectric waveguide. The power and the frequency spectrum ...
  • Experimental and theoretical researches of a resonator concept of a dielectric wakefield accelerator 
    Onishchenko, I.N.; Kiselev, V.A.; Linnik, A.F.; Onishchenko, N.I.; Sotnikov, G.V.; Uskov, V.V. (Вопросы атомной науки и техники, 2006)
    Wakefield excitation in a cylindrical dielectric waveguide or resonator by a regular sequence of electron bunches for application to high-gradient particle acceleration has been investigated theoretically and experimentally ...
  • Gamma-activation method for the element analysis of agricultural products after vacuum drying 
    Dikiy, N.P.; Kutovoy, V.A.; Kutovoy, S.V.; Lyachko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Nikolaenko, A.A.; Onishchenko, N.I.; Uvarov, V.L.; Fedorets, I.D.; Grytsan, L.D. (Вопросы атомной науки и техники, 2004)
    Development of the combined technologies of drying allows one to speed up the process of moisture moving away from the dried material and to decrease the energy consumption per the production unit. The composition of macro- ...
  • High sensitivity calorimeter for measuring wakefields energy excited by a train of electron bunches 
    Kiselev, V.A.; Linnik, A.F.; Onishchenko, N.I.; Uskov, V.V. (Вопросы атомной науки и техники, 2005)
    The special calorimeter for measuring total energy of HF-wakefields excited in plasma or dielectric by relativistic electron bunches has been elaborated. Simple by design calorimeter operates in the energy range from 0.02 ...
  • Low-frequency processes at interaction of ion flows with relativistic electron beams 
    Balakirev, V.A.; Onishchenko, N.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2005)
    Nonlinear process of excitation of LF oscillations is investigated at radial injection of ion stream into the drift chamber in which tubular REB is propagated. The mechanism of LF ion oscillation excitation is investigated.
  • Simulation of wakefields excited by a train of electron bunches in rectangular dielectric waveguide 
    Onishchenko, N.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2005)
    Wake field excitation by a sequence of electron bunches in rectangular dielectric waveguide of finite length is investigated for acceleration with high gradient electric field. Characteristics of wake field for parameters ...
  • Spectra of Cherenkov and transition radiation excited by a train of electron bunches in dielectric structures of rectangular cross-section 
    Onishchenko, I.N.; Onishchenko, N.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2006)
    The peculiarities of radiation spectra of a single relativistic electron bunch or train of bunches in an infinite rectangular dielectric waveguide, in a semi-infinite dielectric waveguide, and in a dielectric waveguide ...
  • Sterilization by plasma produced at REB outlet into atmosphere 
    Babich, E.M.; Kiselev, V.A.; Linnik, A.F.; Maslov, V.I.; Onishchenko, N.I.; Sklyar, N.I.; Uskov, V.V. (Вопросы атомной науки и техники, 2005)
    It has been shown, that at REB (4 МeV, 0.5 А, 2 µs, 3 Hz) outlet into atmosphere besides of sterilization straightly by REB electrons, more intense sterilization can be achieved by produced plasma. The sterilization process ...
  • The effect of nanosecond ultrawideband electromagnetic radiation on xenogeneic erythrocytes 
    Gordienko, E.A.; Gordienko, O.I.; Rozanov, L.F.; Rozanova, E.D.; Gaponenko, N.I.; Gorozhanin, D.V.; Yegorov, O.M.; Kravchenko, V.A.; Lonin, Yu.F.; Onishchenko, N.I. (Вопросы атомной науки и техники, 2001)
    Experiments were the intention to investigate the effect of short-pulse ultrawideband electromagnetic radiation on biological objects. An insulated rod antenna excited by a high-current electron beam (E ~ 0.5 to 1.0 MeV, ...
  • The experimental stand for research of wakefield method of charged particles acceleration 
    Kiselev, V.A.; Linnik, A.F.; Onishchenko, I.N.; Onishchenko, N.I.; Sotnikov, G.V.; Uskov, V.V. (Вопросы атомной науки и техники, 2006)
    The experimental installation and diagnostic equipment with motivation to use for various researches of wakefield method of charged particles acceleration both in plasma and in dielectric structure has been described. ...
  • The nonlinear theory of interaction of ion streams with virtual cathode of the high-current relativistic electron beam 
    Balakirev, V.A.; Onishchenko, I.N.; Onishchenko, N.I. (Вопросы атомной науки и техники, 2004)
    Nonlinear LF dynamics of interaction of the longitudinal ion stream with the electron virtual cathode formed by high-current relativistic electron beam which is injected in the cylindrical drift chamber is investigated. ...
  • The nonlinear theory of the electron and ion beames interaction in a supercritical mode 
    Balakirev, V.A.; Onishchenko, N.I. (Вопросы атомной науки и техники, 2002)
    The problem of REB and ion beam interaction at currents above space charge limiting values has been mathematically formulated. The method of Lagrangian variables has been used for the description of selfconsistent nonlinear ...
  • Theoretical studies of the resonator concept of dielectric wakewield accelerator 
    Onishchenko, N.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2006)
    Theoretical studies and numerical simulation of wakefield excitation in planar dielectric resonator by regular sequence of relativistic electron bunches are carried out. It is shown, that in resonator case at conservation ...