Перегляд за автором "Perezhogin, S.A."

Сортувати за: Порядок: Результатів:

  • About the use in nuclear medicine of pharmaceuticals on the basis of the isotope ¹⁸F and its achievements on linear electron accelerators of NIK "Accelerator" 
    Azarov, A.I.; Dovbnya, A.N.; Dolzhec, M.A.; Kushnir, V.A.; Mitrochenko, V.V.; Perezhogin, S.A.; Selivanov, L.I.; Tereshchenko, V.A.; Titov, V.Yu.; Titov, D.V.; Shevchenko, V.A.; Shramenko, B.I. (Вопросы атомной науки и техники, 2017)
    The importance widely used in the world of Radiopharmaceutical: 2-fluoro [¹⁸F]-2-deoxy-D-glucose (fluo-rideglucose, ¹⁸F) for the diagnosis of various diseases using PET and CT imaging are shown. Provides information about ...
  • Accelerating section for technological electron linac 
    Ayzatsky, M.I.; Biller, E.Z.; Dovbnya, A.N.; Kramarenko, K.Yu.; Khodak, І.V.; Kushnir, V.A.; Mytrochenko, V.V.; Nikitina, T.Ph.; Opanasenko, A.M.; Perezhogin, S.A.; Stepin, D.L.; Selivanov, L.I.; Zhiglo, V.Ph. (Вопросы атомной науки и техники, 2016)
    The construction parameters and electrodynamic characteristics of the accelerating section with phase advance of 120° at the operating frequency of 2856 MHz are presented. This section is designed to upgrade the electron ...
  • Beam dynamics in an initial part of a high brightness electron linac 
    Ayzatsky, M.I.; Gutovsky, D.E.; Dovbnya, A.N.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A. (Вопросы атомной науки и техники, 2001)
    The paper is focused on problems of obtaining a bright electron beam in a system that includes a grid-controlled electron gun, a klystron type subharmonical buncher, a standing wave fundamental buncher with increasing ...
  • Beam parameters of an S-band electron linac with beam energy of 30…100 MeV 
    Dovbnya, A.N.; Aizatsky, M.I.; Boriskin, V.N.; Kushnir, V.A.; Mytrochenko, V.V.; Opanasenko, A.N.; Perezhogin, S.A.; Reprintsev, L.V.; Savchenko, A.N.; Stepin, D.L.; Tatanov, V.I.; Zhiglo, V.F. (Вопросы атомной науки и техники, 2006)
    An S-band electron linac has been erected at the NSC KIPT to cover an energy range from 30 to about of 100 MeV. The linac consists of a couple of four-meter long piecewise homogeneous accelerating sections. Each section is ...
  • Biperiodical bunching system based on the evanescent waves 
    Ayzatsky, M.I.; Kramarenko, K.Yu.; Perezhogin, S.A. (Вопросы атомной науки и техники, 2001)
    To improve the beam bunching at the initial stage of acceleration it is necessary to create an increasing field distribution. Such distribution can be created in a biperiodic disk-loaded waveguide. It is well known that ...
  • Bunching system based on the evanescent waves 
    Ayzatsky, M.I.; Kramarenko, K.Yu.; Perezhogin, S.A. (Вопросы атомной науки и техники, 2001)
    To improve the beam bunching at the initial stage of acceleration it is necessary to create an increasing field distribution. Such distribution can be created in the ordinary disk-loaded waveguide in its stopbands. Generally, ...
  • Cross-sections for photonuclear reactions ⁹³Nb(γ,n)⁹²ᵐNb and ⁹³Nb(γ,n)⁹²ᵗNb in the end-point bremsstrahlung energies 36…91 MeV 
    Vodin, A.N.; Deiev, O.S.; Timchenko, I.S.; Olejnik, S.N.; Kachan, A.S.; Korda, L.P.; Kuplennikov, E.L.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Pilipenko, N.N.; Trubnikov, V.S. (Вопросы атомной науки и техники, 2020)
    The flux-weighted averaged over the energy range of bremsstrahlung spectrum from reaction threshold up to the maximum energy of γ-ray cross-sections <σ (E)> of the ⁹³Nb(γ,n)⁹²ᵐNb and ⁹³Nb(γ,n)⁹²ᵗNb photonuclear reactions ...
  • Cross-sections in photonuclear reactions with multiple neutron emission 
    Bezshyyko, O.A.; Vodin, O.M; Golinka-Bezshyyko, L.O.; Kotenko, A.V.; Kushnir, V.A.; Lubynets, O.V.; Mitrochenko, V.V.; Olejnik, S.M.; Perezhogin, S.A.; Vallerand, C. (Вопросы атомной науки и техники, 2019)
    The energy dependence of the reaction cross-sections A(γ,xn)(A-xn) was studied in the energy range 19...70 MeV, i.e. beyond Great Dipole Resonance (GDR) region. Experimental data were taken from international database EXFOR ...
  • Dielectric RF resonators with open boundaries for studying radiation effect on electrodynamic characteristics of solid dielectrics 
    Kushnir, V.A.; Kramarenko, K.Yu.; Mytrochenko, V.V.; Nikitina, O.D.; Perezhogin, S.A.; Selivanov, L.I. (Вопросы атомной науки и техники, 2020)
    The use of dielectric materials in the charged particles accelerators requires investigation of changes in the electrodynamic properties of these materials under the influence of ionizing radiation. First of all it is ...
  • Electron dynamics in RF sources with a laser controlled emission 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V.; Perezhogin, S.A. (Вопросы атомной науки и техники, 2001)
    Photoemission radiofrequency (RF) electron sources are sources of electron beams with extremely high brightness. Beam bunching processes in such devices are well studied in case when laser pulse duration is much lower of ...
  • Electron gun for technological linear accelerator 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V.; Perezhogin, S.A.; Stepin, D.L.; Zavada, L.M.; Zhiglo, V.F. (Вопросы атомной науки и техники, 2000)
    The work is purposed to the design of diode electron gun for powerful technologic electron linac and to experimental investigations of the beam parameters at the gun exit. The gun feature is the quick cathode replacement. ...
  • Electron injector based on resonance system with evanescent oscillations 
    Ayzatsky, M.I.; Biller, E.Z.; Golovko, N.G.; Kramarenko, K.Yu.; Kushnir, V.A.; Mitrochenko, V.V.; Perezhogin, S.A.; Zhiglo, V.Ph. (Вопросы атомной науки и техники, 2004)
    The article presents the design and simulated performances of an electron gun and a bunching system of the Sband injector based on a coupled cavity chain. Amplitude of the on-axis field varies substantially from the cell ...
  • Experimental cross-section evaluation data for ⁷Be photoproduction by ¹²C, ¹⁴N, ¹⁶O nuclei in the energy range between 40…90 MeV 
    Dovbnya, A.N.; Deyev, O.S.; Kushnir, V.A.; Malyshevsky, V.S.; Malykhina, T.V.; Mitrochenko, V.V.; Perezhogin, S.A.; Torgovkin, A.V.; Fomin, G.V.; Shramenko, B.I. (Вопросы атомной науки и техники, 2013)
    The ⁷Be isotope produced in the upper atmosphere under the action of cosmic radiation is an important factor in population radiation load. A correct determination of the radiation dose coming from this isotope calls for ...
  • Experimental study of characteristics of intense electron beam injector 
    Aizatskyi, M.I.; Khodak, I.V.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Stepin, D.L.; Zhiglo, V.F. (Вопросы атомной науки и техники, 2013)
    Application of low voltage electron source requires the use of steep change of on-axis RF field along the buncher for electrons to be bunched and accelerated efficiently. The paper presents the results of studies of the ...
  • Influence of high-energy electrons irradiation on nanoceramics properties of zirconia 
    Aizatskyi, M.I.; Dikiy, N.P.; Dovbnya, A.N.; Fedorets, I.D.; Kushnir, V.A.; Lyashko, Yu.V.; Medvedev, D.V.; Mytrochenko, V.V.; Onishchenko, I.N.; Perezhogin, S.A.; Pelichatyi, N.M.; Danilenko, I.A.; Konstantinova, T.E. (Вопросы атомной науки и техники, 2013)
    Radiation defects in nanoceramics zirconia were investigated after electron irradiation with energy 41…89 MeV up to doze 2.28…5.7·10¹⁴ electrons/cm². Radioactive isotopes ⁸⁷,⁸⁸Y, ⁸⁸,⁸⁹,⁹⁵Zr, ⁹⁵Nb, ¹⁷⁵Hf are registered after ...
  • Isomer ratios in photonuclear reactions with multiple neutron emission 
    Vodin, O.M.; Bezshyyko, O.A.; Golinka-Bezshyyko, L.O.; Kadenko, I.M.; Kushnir, V.A.; Kotenko, A.V.; Lubynets, O.V.; Mitrochenko, V.V.; Olejnik, S.M.; Perezhogin, S.A.; Vallerand, C. (Вопросы атомной науки и техники, 2019)
    The aim of this work is studying of gamma-quanta energy dependence of isomeric ratios in A(γ,xn)m,g(A − r n) reactions in energy range 35...100MeV , i.e. beyond Great Dipole Resonance (GDR) region. Experimental data were ...
  • Main systems development of K-band linac 
    Ayzatsky, M.I.; Biller, E.Z.; Dovbnya, A.N.; Kushnir, V.A.; Mitrochenko, V.V.; Perezhogin, S.A.; Khodak, I.V. (Вопросы атомной науки и техники, 1999)
    The main purpose of our work is the creation of the small-sized linear electron accelerator on the energy up to 5 MeV on the base of such low-power Х- and K-bands sources. In this paper the results on development of main ...
  • NSC KIPT positron source. Pre-project research 
    Bulyak, E.V.; Dovbnya, A.N.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Opanasenko, A.N. (Вопросы атомной науки и техники, 2020)
    We present the results of theoretical and numerical studies on the source of slow positrons for NSC KIPT. The positrons are intended to generate with the electrons of 9, 40 or 90 MeV available at the KIPT electron linacs. ...
  • 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 ...
  • 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 ...