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Перегляд Вопросы атомной науки и техники, 2004, № 2 за темою "Элементы ускорителей"

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2004, № 2 за темою "Элементы ускорителей"

Сортувати за: Порядок: Результатів:

  • 178 MHz cavity with HOM damping for the DFELL storage ring 
    Volkov, V.N.; Gavrilov, N.G.; Gorniker, E.I.; Deichuli, O.I.; Kenjebulatov, E.K.; Kuptsov, I.V.; Kurkin, G.Y.; Mironenko, L.A.; Mityanina, N.V.; Petrov, V.M.; Rotov, E.A.; Sedlyarov, I.K.; Tribendis, A.G. (Вопросы атомной науки и техники, 2004)
    Design of the new cavity produced for the DUKE FELL storage ring is presented. The fundamental and higher order modes (HOMs) parameters are shown. The HOMs are substantially damped in a special load with absorbers made ...
  • 200 kV pulse modulator for power supply of VEPP-5 injection complex electron gun 
    Akimov, V.E.; Kazarezov, I.V.; Korepanov, A.A. (Вопросы атомной науки и техники, 2004)
    This paper describes a new 200 kV pulse modulator for the VEPP-5 complex preinjector electron gun. The pulse former is based on the solid state IGBT-switch and the new high turn ratio pulse transformer (PT). New design allows ...
  • Accelerating structure of 10 MEV electron linac 
    Zavadtsev, A.A.; Krasnov, A.A.; Kuzmin, I.S.; Sobenin, N.P.; Fadin, A.I. (Вопросы атомной науки и техники, 2004)
    The calculation of the on-axis coupled the biperiodic 10 MeV electron accelerating structure is represented. The one-meter structure includes 19 accelerating cells, two of which are bunching cells. Two versions of RF ...
  • Analog computation of transients in the power amplifier of DTL RF system 
    Kvasha, A.I. (Вопросы атомной науки и техники, 2004)
    Some peculiarities of DTL pulse RF system operation are connected with its load – a high quality factor cavity. In case of coinciding of tank and feeder frequencies overvoltages may appear at the falling edge of RF pulse ...
  • Application of software and hardware components of CAN-technology for accelerator control 
    Chepurnov, A.; Nedeoglo, F.; Etenko, A.; Sabelnikov, A. (Вопросы атомной науки и техники, 2004)
    CAN-technology was developed for embedded hard real time automotive applications. CAN-bus together with high-level application protocols is used now to control large experimental installations and particle accelerators. ...
  • Approximations of operating characteristics of the elliptic cross-section beam position monitors 
    Ivashchenko, V.E.; Karnaukhov, I.M.; Trotsenko, V.I.; Shcherbakov, A.A. (Вопросы атомной науки и техники, 2004)
    In the specialized storage rings it is necessary to measure a position of a beam with an absolute accuracy up to 10 µm that corresponds to a relative accuracy about 10⁻³ for the central region of a monitor. The position ...
  • Calculation of thermal transient condition in the biperiodic accelerating structure 
    Zavadtsev, D.A. (Вопросы атомной науки и техники, 2004)
    RF power distribution as well as deformation and resonance frequency of the structure after stepped changing of RF power or cooling water temperature were investigated. Transient process is not exponential. Effective time ...
  • Characteristics of inhomogeneous accelerating structures 
    Ayzatsky, M.I.; Kramarenko, K.Yu. (Вопросы атомной науки и техники, 2004)
    We present the results of investigations of accelerating structures consisting of a segment of an inhomogeneous disk-loaded waveguide, input and output couplers. The sizes of the apertures inside the waveguide take random ...
  • Development of alternatives for accelerating structure in the range of intermediate proton energy 
    Bomko, V.A.; Egorov, A.M.; Kobets, A.P.; Marinina, E.D.; Rudiak, B.I.; Tishkin, S.S.; Vdovin, S.A.; Zaitsev, B.V. (Вопросы атомной науки и техники, 2004)
    A scope of the linear accelerating structures for acceleration proton high rower beams in energy range 5… 100 MeV is presented. Main task lies in a possibility to use superconductive equipment. The results are given ...
  • High voltage modulators based on solid-state elements for linacs (review) 
    Beloglazov, V.I.; Dyomin, V.S.; Dovbush, L.S.; Kosoj, A.I.; Shkirida, S.M.; Tur, Yu.D. (Вопросы атомной науки и техники, 2004)
    The data on developing and creating high-voltage pulse modulators for linacs with using Insulator Gate Bipolar Transistors (IGBT) and Integrated Gate Commutate Thyristors (IGCT) are presented. Comparative analysis of ...
  • Hysteresis effects in electron guns 
    Agafonov, A.V.; Lebedev, A.N. (Вопросы атомной науки и техники, 2004)
    Computer simulations of beam formation in an electron gun with large compression of a thin annular beam show some hysteresis effects: a beam with different currents can exist in the same external conditions. The results ...
  • 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 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 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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