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Перегляд Вопросы атомной науки и техники, 2004, № 1 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2004, № 1 за назвою

Сортувати за: Порядок: Результатів:

  • High-current electron beam guiding by the creation of profiled plasma channel 
    Agafonov, A.V.; Bogachenkov, V.A. (Вопросы атомной науки и техники, 2004)
    Earlier performed experiments showed effectiveness of proposed approach for a high-current non-relativistic electron beam generation in a plasma-filled diode with a plasma anode and an explosive emission cathode. Our ...
  • High-current electron beam power multiplication by converging the beams 
    Chornyi, V.; Frolov, A.; Tsepilov, G.; Dubina, V.; Chornyi, A.; Solovyov, V. (Вопросы атомной науки и техники, 2004)
    This paper is devoted to research and development of the techniques of multiterawatt electron beam generation in pulsed multimodular systems. Three methods of beam convergence/overlapping have been studied numerically ...
  • HV pulse modulator with switch on HV IGBT transistor 
    Dolgov, A.; Kildisheva, O. (Вопросы атомной науки и техники, 2004)
    The new generation modulator with a solid-state switch to provide the plate pulse supply of RF generators of hydrogen-ion linear accelerators is described. The use of a solid-state switch, instead of a vacuum tube, allowed ...
  • Increase of the RF pulse width in the cavities of the main part of MMF linac 
    Leontiev, V.N.; Peplov, V.V. (Вопросы атомной науки и техники, 2004)
    At the MMF linac for increasing an average beam current an rf pulse width in the accelerating cavities of the main part of the linac have to be increased. Pulse widths of a preamplifier modulator and a high voltage ...
  • Installation for gas-phase deposition of materials 
    Lonin, Yu.F.; Pilipets, Yu.O.; Khovansky, N.A.; Sheremet, V.I.; Shirokov, B.M. (Вопросы атомной науки и техники, 2004)
    The installation for gas-phase deposition of materials is developed. Gas- dynamic parameters of a vapor-gas mixture flow in the reaction volume by flow-around of the surface being coated are evaluated. The processes ...
  • Interaction between a coaxial cavity and low beta intense electron beams 
    Keiichi Kamada; Takashi Nishiguchi; Keiichi Ishibana; Masaki Kamada; Ritoku Ando (Вопросы атомной науки и техники, 2004)
    Experiments and simulations for intense relativistic electron beams with energy of <1 MeV and current of several kA that pass through a gap are carried out. A criterion is proposed for the gap length through which the ...
  • Investigation of injection through bending magnet fringe fields in X-rays source based on the H-100M storage ring 
    Gladkikh, P.I.; Mytsykov, A.O.; Rezaev, A.V.; Zelinsky, A.Yu. (Вопросы атомной науки и техники, 2004)
    In paper the injection in the X-ray source based on the H100-M storage ring, through fringe fields of a bending magnet is considered. The simulation of charged particle beam motion through 3-d fields of magnetic devices ...
  • Investigation of the ceramic windows used in linear electron accelerators of the NSC KIPT 
    Dovbnya, A.N.; Zlunitsyn, E.S.; Zykov, A.I.; Kramskoy, G.D. (Вопросы атомной науки и техники, 2004)
    The results of investigations of HF windows on the basis of ceramic cones (CC) from klystrons KIU-12АM are presented. Phenomena of “locking” of the windows and stationary shining of CC are studied. Their physical models are ...
  • Investigation of the energy deposition profile in NaCl under electron irradiation 
    Gann, V.V.; den Hartog, H.W.; Vainshtein, D.I. (Вопросы атомной науки и техники, 2004)
    We have proposed a new model for the calculation of the absorbed dose profile in a thick target under 0.1…3 MeV electron irradiation. The build-up phenomenon is shown to increase the maximum of the energy deposition profile ...
  • Investigation of the hollow beam structure on optical transition radiaton 
    Ayzatsky, M.I.; Kushnir, V.A.; Mitrochenko, V.V.; Opanasenko, A.M.; Zhiglo, V.Ph. (Вопросы атомной науки и техники, 2004)
    In this paper we represent the experimental data on measurement of the transverse current density distribution of the annular beam with the sub-millimeter wall thickness. A digital photo camera was used to increase sensibility ...
  • Location of heavy elements by monochromatic X-ray beam 
    Shchagin, A.V.; Sanin, V.M.; Sotnikov, V.V.; Voronko, V.A.; Yegorov, A.M. (Вопросы атомной науки и техники, 2004)
    The remote nondestructive detection of materials with heavy elements is an important task in number of applications, including needs for control of terrorist’s activity. In the report, we discuss a possibility to use ...
  • Low-frequency REB modulation and acceleration of ions in a supercritical mode during plasma injection 
    Chupikov, P.T.; Medvedev, D.V.; Onishchenko, I.N.; Panasenko, B.D.; Prokopenko, Yu.V.; Pushkarev, S.S.; Faehl, R.J.; Yegorov, A.M. (Вопросы атомной науки и техники, 2004)
    Low-frequency modulation of a high-current relativistic electron beam (REB) and acceleration of ions in the first section of a collective ion accelerator was studied experimentally. Low frequency modulation of supercritical ...
  • Measurement of distribution function of REB, used in collective ion accelerator 
    Chupikov, P.T.; Medvedev, D.V.; Onishchenko, I.N.; Panasenko, B.D.; Prokopenko, Yu.V.; Pushkarev, S.S. (Вопросы атомной науки и техники, 2004)
    The parameters of the intense relativistic electron beam (REB), being a base element of the ion accelerator concept, were measured at the exit of the first section of a collective ion accelerator. The experimental studies ...
  • Measuring channel of electron radiation absorbed power 
    Karasyov, S.P.; Pomatsalyuk, R.I.; Tenishev, A.Eh.; Uvarov, V.L. (Вопросы атомной науки и техники, 2004)
    The measuring channel of absorbed power of the electron radiation in the range 0.1...100 kW using a flow-type calorimetric absorber is described in the paper. The measuring circuit of the channel performs determination ...
  • Modulator power supply for 200 kV electron gun of the VEPP-5 injection complex 
    Akimov, A.V.; Bak, P.A.; Kazarezov, I.V.; Pachkov, A.A. (Вопросы атомной науки и техники, 2004)
    The 200 kV electron gun modulator power supply based on the half-bridge converter providing the high frequency partial charge of the capacitive energy storage element is described. The algorithm developed for the power ...
  • Monitoring position of the electron beam in the air 
    Boriskin, V.N.; Gurin, V.A.; Popenko, V.A.; Repihov, O.A.; Savchenko, A.N; Tatanov, V.I (Вопросы атомной науки и техники, 2004)
    A possibility of operative control position of the electron beam with energy up to 30 MeV, pulse current up to 1 A with 3.5 pulse length and operate frequency from 50 to 300 Hz at the exit of two-structure linac has ...
  • Multi-channel electronics for secondary emission grid profile monitor of TTF linac 
    Reingardt-Nikoulin, P.; Gaidash, V.; Mirzojan, A.; Novikov-Borodin, A. (Вопросы атомной науки и техники, 2004)
    According to theTTF beam experimental program, a measurement of the time dependence of the energy spread within the bunch train should be done by means of a standard device for profile measurements, that is Secondary Emission ...
  • Multichannel system for research of secondary emission pulse electron beam generation 
    Ayzatsky, N.I.; Boriskin, V.N.; Gurin, V.A.; Kushnir, V.A.; Mitrochenko, V.V.; Reshetnyak, N.G.; Romas’ko, V.P.; Savchenko, A.N.; Zakutin, V.V. (Вопросы атомной науки и техники, 2004)
    To carry out crossed-field secondary emission electron sources scientific-research developments we have designed and manufactured a 12-channel information measuring system. A hardware complex of the multichannel pulse-signal ...
  • Non-destructive beam cross-section detector at the MMFL LEBT 
    Esin, S.K; Nikulin, E.S.; Rezvov, V.A.; Ioudin, L.I.; Yakushev, V.P (Вопросы атомной науки и техники, 2004)
    The maiden outcomes of a television application for monitoring on the MMFL Proton Injector beam parameters are adduced. In the basis of a system it is non-interrupted ionization detector reshaping the beam cross-section ...
  • On creation of a cathode units for the X -band klystron using a high-current magnetron gun as a base 
    Dovbnya, A.N.; Ayzatsky, N.I.; Boriskin, V.N.; Zakutin, V.V.; Kushnir, V.A.; Mitrochenko, V.A.; Reshetnyak, N.G.; Perezhogin, S.A.; Stepin, D.L. (Вопросы атомной науки и техники, 2004)
    The article presents the results from studies, performed at the R&D “Accelerator” NSC KIPT, on development of units for the X-band klystron with an output power 1...2 MW and at a voltage 50...100 kV. A magnetron gun with ...

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