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Перегляд Вопросы атомной науки и техники, 2015, № 6 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2015, № 6 за назвою

Сортувати за: Порядок: Результатів:

  • Electromagnetic wave scattering on a dielectric cylinder in Born approximation 
    Syshchenko, V.V. (Вопросы атомной науки и техники, 2015)
    The scattering of the plane electromagnetic wave on a spatially extended, fiber-lake target is considered. The fomula for the scattering cross section is obtained using the approximation analogous to Born one in quantum mechanics.
  • Exciting high frequency oscillations in a coaxial transmission line with a magnetized ferrite: 2D approach 
    Ahn, J.W.; Karelin, S.Yu; Krasovitsky, V.B.; Kwon, H.O.; Magda, I.I.; Mukhin, V.S.; Sinitsin, V.G. (Вопросы атомной науки и техники, 2015)
    1D and 2D simulation methods and research into the formation of high frequency oscillations in a coaxial nonlinear transmission line (NLTL) partially filled with a longitudinally magnetized ferrite are presented. Dynamics ...
  • Features of photonuclear radionuclide production in the thick targets 
    Torgovkin, A.V. (Вопросы атомной науки и техники, 2015)
    One of the basic requirements for the production technology of radionuclides is to provide a high specific activity of the target nuclide as well as its full activity in target. Traditionally this problem is solved by using ...
  • Investigations of the physical processes in multibunch dielectric wakefield accelerator 
    Onishchenko, I.N. (Вопросы атомной науки и техники, 2015)
    The main results of theoretical and experimental researches of the physical processes in a dielectric wakefield accelerator based on the excitation of accelerating wakefield in a dielectric structure by a long sequence of ...
  • Measurement of the photometric characteristics of LEDs 
    Nazarenko, L.A.; Zubkov, D.P. (Вопросы атомной науки и техники, 2015)
    Proposed and implemented a method for measuring LEDs, which is based on self-calibration of the LED goniophotometer facility by using a trap-detector. Designed and manufactured automated goniophotometer, which provides a ...
  • Multi-channel cell to irradiate the material specimens by electrons in the interior of the supercritical water convection loop 
    Bakai, A.S.; Boriskin, V.N.; Bratchenko, M.I.; Gorenko, Yu.V.; Dovbnya, A.N.; Dyuldya, S.V.; Kovalev, G.G. (Вопросы атомной науки и техники, 2015)
    The 1.2×1.5 m sized Supercritical Water Convection Loop with four-channel irradiation cell was created in KIPT. The stainless steel made plant opens the possibility to carry out simulation corrosion tests of candidate ...
  • Numerical simulation of neutron flow exposure on the organic tissues 
    Dovbnya, A.N.; Tsymbal, V.A.; Stoyanov, A.F. (Вопросы атомной науки и техники, 2015)
    The algorithm of numerically modeling of the impact of the portable neutron generator (PNG) neutron flux on organic tissue is developed and implemented, we used water phantom as a model object. The algorithm for calculating ...
  • Numerical simulation of transport of a high-current electron beam generated by the secondary-emission cathode gun in a decreasing solenoidal field 
    Dovbnya, A.N.; Dovbnya, N.A.; Mazmanishvili, A.S.; Reshetnyak, N.G.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2015)
    The software tool has been developed for computing the electron beam formation by means of the secondary-emission cathode magnetron gun in the electron energy range between 30 and 65 keV at beam transport in a decreasing ...
  • On a method of tuning of couplers for electron LINACS based on disk loaded waveguides 
    Aizatskyi, N.I.; Kramarenko, K.Yu.; Khodak, I.V.; Kushnir, V.A.; Mytrochenko, V.V.; Opanasenko, A.M.; Perezhogin, S.A.; Selivanov, L.I.; Zhiglo, V.F. (Вопросы атомной науки и техники, 2015)
    The article presents an adjustment procedure for an input and output couplers of a traveling wave accelerating section based on cylindrical disk loaded waveguide (CDLW). The procedure consists in bead pull measurement of ...
  • Optical monitoring the temperature of objects irradiated at an electron accelerator 
    Boriskin, V.N.; Romanovsky, S.K.; Momot, V.A.; Titarenko, Yu.A.; Titov, D.V.; Uvarov, V.L.; Shevchenko, V.A.; Shelepko, S.V. (Вопросы атомной науки и техники, 2015)
    A method of remote on-line control of the temperature of objects heated by an electron beam has been developed and researched. The method is based on analysis of object radiation in optical and infrared ranges and determination ...
  • Optimization of conditions for ⁶⁷Cu photonuclear production 
    Dovbnya, A.N.; Dolzhek, M.A.; Pugachev, G.D.; Repikhov, O.A.; Torgovkin, A.V.; Uvarov, V.L.; Shestakova, V.S.; Shramenko, B.I. (Вопросы атомной науки и техники, 2015)
    Radiopharmaceuticals based on the ⁶⁷Cu isotope have found wide use in immunotherapy. The present paper analyzes the conditions of ⁶⁷Cu production by the ⁶⁸Zn(γ,p) ⁶⁷Cu reaction at an electron accelerator in relation to the ...
  • Photonuclear production of Pm-149 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L. (Вопросы атомной науки и техники, 2015)
    ¹⁵³Sm is successfully used for palliative treatment of patients with bone metastases and pain. ¹⁵³Sm is being produced in the reactors by means of irradiating of ¹⁵²Sm. In radio-labelled radiopharmaceuticals per each isotope ...
  • Results of study the influence electron irradiation on the high-frequency dielectric properties of zirconia nanoceramics 
    Aizatskyi, N.I.; Bocharov, V.A.; Dikiy, N.P.; Dovbnya, A.N.; Kushnir, V.A.; Mytrochenko, V.V.; Nikitina, O.D.; Onishchenko, I.N.; Selivanov, L.I.; Stepin, D.L. (Вопросы атомной науки и техники, 2015)
    The use of dielectric materials in accelerator technology makes it necessary to research the change of dielectric constant and dielectric loss under relativistic electrons irradiation. The experiments were performed on ...
  • The bias voltage and its influence on the etching rate of silicon 
    Fedorovich, О.А.; Hladkovskiy, V.V.; Polozov, B.P.; Kruglenko, М.P. (Вопросы атомной науки и техники, 2015)
    The influence of the bias voltage on the silicon etching rate in the plasma-chemical reactor (PСR) with controlled magnetic fields have been investigated. The dependences of the silicon etching rate on the power, discharge ...
  • The peculiarities of particle dynamics in the Fermi acceleration scheme 
    Buts, V.A. (Вопросы атомной науки и техники, 2015)
    With examples of discrete and distributed mathematical models of the Fermi acceleration mechanism, a usefulness, or even necessity, of taking into account of singular solutions is demonstrated. Also the role is shown of ...
  • The system of constant current focus klystron KIU-37 master pulsed microwave generator electron linear accelerator 
    Beloglazov, V.I.; Tur, Yu.D.; Titarenko, Yu.A.; Filippov, A.V.; Romanovsky, S.K. (Вопросы атомной науки и техники, 2015)
    In order to ensure long-term stability of beam parameters of linear accelerators is working on stabilizing the excitation of high-power systems. At this stage the solution of the problem, developed and applied in practice ...
  • The use of molybdenum oxide nanoparticles for production of free isotope Mo-99 
    Dikiy, N.P.; Dovbnya, A.N.; Krasnoselsky, N.V.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L.; Fedorets, I.D. (Вопросы атомной науки и техники, 2015)
    The possibility of photonuclear production of ⁹⁹Mo medical radioisotopes using recoil nuclei of nanoparticles MoO₃ from reaction ¹⁰⁰Mo(γ,n)⁹⁹Mo was investigated. (γ,n)-reaction does not be accompanied by change in nuclear ...
  • Transformation ratio at wakefield excitation by linearly shaped sequence of short relativistic electron bunches in plasma 
    Levchuk, I.P.; Maslov, V.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2015)
    Wakefield excitation by long sequence of short Gaussian bunches of relativistic electrons and electron bunch acceleration in excited wakefield is numerically simulated for the parameters of the experiments. It is shown ...
  • Transport of bunches in a dielectric wakefield accelerator using an array of plasma cells 
    Kniaziev, R.R.; Marshall, T.C.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2015)
    An array of short sections of plasma dielectric wakefield accelerator modules spaced by vacuum zones (without plasma) is proposed to avoid the “underdense” operating regime. A calculation of the dynamics of the accelerated ...
  • Ultra relativistic electron beam spatial size estimation from angular distribution of their radiation in thin crystals 
    Goponov, Yu.A.; Sidnin, M.A.; Sumitani, K.; Takabayashi, Y.; Vnukov, I.E. (Вопросы атомной науки и техники, 2015)
    The use of ultra relativistic electron (positron) emission in thin crystals to estimate particle beam spatial sizes for projected electron-positron colliders is proposed. The existing position-sensitive X-ray range detectors ...

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