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Перегляд Bопросы атомной науки и техники, 2004 за назвою

Репозиторій DSpace/Manakin

Перегляд Bопросы атомной науки и техники, 2004 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 ...
  • 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 ...
  • Interference of quantities of interstrip capacitance and interstrip resistances of the two-coordinate microstrip detector 
    Maslov, N.I.; Potin, S.M.; Starodubtsev, A.F. (Вопросы атомной науки и техники, 2004)
    The dependence of interstrip capacitance of the double-sided microstrip detector on frequency of measuring is explored. Has been investigated at what frequency of measuring the observed value of interstrip capacitance is ...
  • 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 nuclear chronometer time decay characteristics for revision of age of astrophysics objects 
    Doroshko, N.L.; Dolinska, M.E. (Вопросы атомной науки и техники, 2004)
    The new algorithm for the determinations of the characteristics functions of the energy distribution, decay probability, decay intensities and life times of the excited levels is proposed. Quantum-mechanical motivation of ...
  • 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 radionuclide ¹³⁷Cs sorption by natural and synthetic zeolites 
    Lonin, A.Yu.; Krasnopyorova, A.P. (Вопросы атомной науки и техники, 2004)
    Sorption-selective properties of natural zeolite-clinoptilolite, from the Sokirnitsky deposit of Ukraine, and synthetic zeolites relatively to radionuclide ¹³⁷Cs and depending on pH and temperature were studied. A high ...
  • 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 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.; 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 ...
  • 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 ...
  • Ions acceleration in a temporary and spatially modulated intense REB 
    Chupikov, P.T.; Medvedev, D.V.; Onishchenko, I.N.; Panasenko, B.D.; Prokopenko, Yu.V.; Pushkarev, S.S.; Yegorov, A.M. (Вопросы атомной науки и техники, 2004)
    The conception, proposed by Lymar, Khizhnyak, and Belikov, to use collective electromagnetic fields of space charge excited in high-current relativistic electron beam (REB), modulated in time and space, have been ...
  • 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 ...
  • 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 ...
  • Magnetic structure of the NSC KIPT nuclear and high energy physics electron accelerator 
    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-optical structure of the basic NSC KIPT accelerator with a continuous electron beam of energy up to 730 MeV has been considered.

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