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Перегляд Вопросы атомной науки и техники, 2004, № 2 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2004, № 2 за назвою

Сортувати за: Порядок: Результатів:

  • Improved characteristics of HV pulse modulators for technological accelerators 
    Dolgov, A.; Kildisheva, O. (Вопросы атомной науки и техники, 2004)
    The new modulator series intended to provide a pulse power supply of MI-451, MI-456 microwave magnetrons is described. The main feature of this modulator series, as compared with the existing national counterparts, is ...
  • Investigation of properties of a spatial lattice formed by resonance dielectric spheres 
    Bryzgalov, G.A. (Вопросы атомной науки и техники, 2004)
    The artificial dielectric model is used in creation of a material with the negative ε and µ and in describing electromagnetic wave interactions with vital tissues. The paper presents the theoretical study of the frequency ...
  • Investigation of stability electron beam parameters in sources with cold secondary-emission cathodes 
    Dovbnya, A.N.; Ayzatsky, N.I.; Boriskin, V.N.; Zakutin, V.V.; Kushnir, V.A.; Mitrochenko, V.A.; Reshetnyak, N.G. (Вопросы атомной науки и техники, 2004)
    The investigation into the generation of tubular electron beams and their parameters in a system of secondaryemission cathodes was carried out. The parameters of electron beams with the use of a multichannel measuring ...
  • Investigation of system for external injection of H⁻ ion beam on cyclotrons 
    Veresov, O.L.; Grigorenko, S.V.; Strokach, A.P.; Udovichenko, S.Yu.; Tsygankov, S.S.; Zuev, Yu.V. (Вопросы атомной науки и техники, 2004)
    The article presents results of experimental studies carried out at an installation (“SVITS”) simulating a system for external injection of H⁻ions with the beam current of up to 2 mA and energy up to 30 keV for cyclotrons. ...
  • Investigation of the hollow beam structure on optical transition radiaton 
    Ayzatsky, M.I.; Kushnir, V.A.; Mytrochenko, V.V.; Opanasenko, A.; Zhiglo, V. (Вопросы атомной науки и техники, 2004)
    The features of studying the structure of a dense annular beam with OTR from metal targets at electron energy ≤ 50 keV are described. The image of the cross section of the annular beam with sub-millimeter wall thickness ...
  • Linear accelerators for radiation sterilization developed in NPK LUTS NIIEFA 
    Vorogushin, M.F.; Gavrish, Yu.N.; Demsky, M.I.; Maksimov, V.M. (Вопросы атомной науки и техники, 2004)
    NPK LUTS NIIEFA has been developing linear accelerators for industrial applications during about 30 years. More than 150 linear accelerators for different applications have been manufactured by this company and installed in ...
  • Magnetic structure of the NSC KIPT nuclear-and-highenergy-physics electron accelerator at 400 MeV 
    Dovbnya, A.N.; Guk, I.S.; Kononenko, S.G.; Peev, F.A.; van der Wiel, M.; Botman, J.I.M.; Tarasenko, A.S. (Вопросы атомной науки и техники, 2004)
    The magnetic structure of the base accelerating facility of NSC KIPT with a continuous electron beam with an energy of 400 MeV is described. The accelerator represents a recirculator, which is based on two standard TESLA ...
  • Mathematical simulation of the neutron interaction with matter 
    Dovbnya, A.N.; Prokhorets, I.M.; Prokhorets, S.I.; Slabospitskiy, R.P.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2004)
    The application of neutron beams is important for some fundamental problems in nuclear physics, for fission and fusion reactors, future safety of atomic energy, neutron radioactivation analysis, neutron radiography etc. ...
  • Measurement of phase-energy electron distribution at the RF gun exit using alfa-magnet 
    Kushnir, V.A.; Mitrochenko, V.V. (Вопросы атомной науки и техники, 2004)
    The paper presents the results of measuring the electron phase-energy distribution at the exit of the S-band nanosecond photo RF gun. The RF gun is the electron source of the injector system of linac LU-60. The main bunching ...
  • Mechanisms of an electron stream self-bunching in magnetron guns 
    Gritsunov, A.V. (Вопросы атомной науки и техники, 2004)
    Various processes of self-bunching of reentrant electron cloud nearby a distributed cylindrical cathode in crossed fields are investigated theoretically using particle-in-cell (PIC) simulation algorithms. As most probable ...
  • Microwave feeding system elements of superconducting linear collider cavities 
    Bogdanovich, B.Yu.; Bezkrovny, P.A.; Kaminsky, V.I.; Lalayan, M.V.; Sobenin, N.P.; Zavadtsev, D.A. (Вопросы атомной науки и техники, 2004)
    The calculation and experimental results for a magic tee with movable choke plungers in Е- and Н -arms for tuning the coupling-factor and RF phase of high-power accelerating cavities are presented. The investigations were ...
  • Microwave generation by supercritical REB at plasma assistance 
    Chupikov, P.T.; Onishchenko, I.N.; Prokopenko, Yu.V.; Pushkarev, S.S.; Yegorov, A.M. (Вопросы атомной науки и техники, 2004)
    The experimental researches on generation of microwave radiation in a system with a supercritical current of a relativistic electron beam produced in the magnetically isolated diode and external plasma source are carried ...
  • Modeling and forming the magnetic field of the heavy ion cyclotron 
    Alenitsky, Yu.G.; Chesnov, A.F.; Kostromin, S.A.; Onischenko, L.M.; Samsonov, E.V.; Zaplatin, N.L. (Вопросы атомной науки и техники, 2004)
    The heavy ion cyclotron was designed and constructed in the Dzhelepov Laboratory of Nuclear Problem, Joint Institute for Nuclear Research. Ions with A/Z~5 were accelerated up to the energy E=2.4 MeV/nucleon. The ECR ...
  • Noise-resistant and mechanically strong Rogowski coils used to measure parameters of high-current pulses with nanosecond front 
    Gerasimov, A.I. (Вопросы атомной науки и техники, 2004)
    There are presented the characteristics of two versions of Rogowski coils with single- or multi-layer coil wound with a screened wire and with the toroidal core made of metal.
  • Non-linear evolution of vortices in high-current electrostatic plasma lens 
    Goncharov, A.A.; Maslov, V.I.; Onishchenko, I.N.; Stomin, V.L.; Tretyakov, V.N. (Вопросы атомной науки и техники, 2004)
    The spatial structure and nonlinear dynamics of vortices in plasma lens for high-current ion-beam focusing have been investigated theoretically.
  • Nuclide composition dynamics in a subcritical reactor driven by a proton beam 
    Demchenko, P.O.; Gussev, Ye.V.; Nikolaichuk, L.I. (Вопросы атомной науки и техники, 2004)
    The numerical simulation results of nuclide composition time dynamics in a subcritical reactor blanket are given. A cylindrical subcritical reactor is driven by a high-energy proton beam injected along the radius into the ...
  • Numerical modelling of multibeam accelerating structures 
    Gavrilov, N.M.; Komarov, D.A.; Bogachenkov, D.A.; Strukov, J.N. (Вопросы атомной науки и техники, 2004)
    The three-dimensional multibeam numerical simulation has been carried out on the basis of integral equations. Dispersion equations and expressions for shunt impedance and Q-factor have been obtained for E and H oscillations in ...
  • Numerical simulation of 3D ion ribbon beam dynamics in RF undulator linac 
    Masunov, E.S.; Polozov, S.M (Вопросы атомной науки и техники, 2004)
    The ion ribbon beam can be bunched and accelerated in linear accelerator with RF undulator (UNDULAC-RF). The acceleration and focusing of beam are realized without using a synchronous wave in such an accelerator. The results ...
  • Numerical simulation of the supercritical electron beam dynamics in magnetic field of finite size in the presence of plasma 
    Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2004)
    The first results of development of a numerical electromagnetic 2.5-dimensional code «SOM 2.5» (3 dimensional by the velocities and 2 dimensional by the coordinates) for researching of a virtual cathode in the presence ...
  • Numerical study of the centre region acceleration for the RIC-30 cyclotron 
    Andreeva, Z.A.; Svistunov, Yu.A.; Silaev, S.A.; Stepanov, A.V. (Вопросы атомной науки и техники, 2004)
    The RIC-30 cyclotron was designed for acceleration of protons up to 30 MeV [1]. Since 1994 it has been used for production of radionuclides on internal target installed at a radius of 580 mm, where the beam energy equals 22 ...

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