Перегляд за автором "Mitrochenko, V.V."

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 ...
  • Beam dynamics in RF gun with plasma cathode 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V.; Opanasenko, A.N. (Вопросы атомной науки и техники, 2017)
    Radiofrequency (RF) guns with a plasma cathode are comparably simple sources of intense electron beam of na-nosecond pulse duration. The plasma cathode is produced either due to the surface high-permittivity dielectric ...
  • Beam transient dynamics simulation on the basis of coupled resonators model in injector sections of high current LINACS 
    Aizatskyi, M.I.; Kushnir, V.A.; Kramarenko, K.Yu.; Mitrochenko, V.V. (Вопросы атомной науки и техники, 2013)
    Code on the basis of coupled resonators model was developed for beam transient dynamics simulation in linac injector sections. This code gives possibility to study electron multiflow movement that arises after stopping of ...
  • Bunch length diagnostics with coherent relativistic electron radiation 
    Ayzatsky, M.I.; Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V.; Opanasenko, A.N.; Stepin, D.L. (Вопросы атомной науки и техники, 2001)
    One of the most important problems when designing resonance electron linacs with a high beam brightness is creation of an equipment for electron bunch length diagnostics. One of ways to solve this problem is based on ...
  • 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 ...
  • 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 guns for technological linear accelerators 
    Beloglasov, V.I.; Biller, E.Z.; Vishnýakov, V.A.; Dovbush, L.S.; Zhiglo, V.F.; Zavada, L.M.; Zakutin, V.V.; Kosoy, A.I.; Kushnir, V.A.; Mitrochenko, V.V.; Mýakushko, L.K.; Reshetnýak, N.G.; Romas’ko, V.P.; Stepin, D.L.; Tur, Yu.D.; Khodak, I.V. (Вопросы атомной науки и техники, 1999)
    The modern technologies based on linear electron accelerator require intensive beams with small particle losses during acceleration. The beam quality at an accelerator exit is mainly determined by an injector and, in ...
  • 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 ...
  • Electron linacs in NSC KIPT: R&D and application 
    Antipov, K.I.; Ayzatsky, M.I.; Akchurin, Yu.I.; Boriskin, V.N.; Beloglasov, V.I.; Biller, E.Z.; Demidov, N.V.; Dikiy, N.P.; Dovbnya, A.N.; Dovbush, L.S.; Gurin, V.A.; Karasyov, S.P.; Kushnir, V.A.; Kosmin, V.A.; Myakushko, L.K.; Mitrochenko, V.V.; Nikitina, T.F.; Opanasenko, A.N.; Pugachev, G.D.; Repikhov, O.A.; Reprintsev, L.V.; Reshetnyak, N.G.; Popenko, V.A.; Seleznev, V.V.; Shramenko, B.I.; Shendrik, V.A.; Stepin, D.L.; Tarasov, G.E.; Tolstoy, A.E.; Tur, Yu.D.; Uvarov, V.L.; Zadvorny, A.S.; Zakutin, V.V.; Zlunitsyn, E.S.; Zykov, A.I. (Вопросы атомной науки и техники, 2001)
    A review is given about electron linacs of NSC KIPT and their some applications for research of radiation effects in reactor materials, channeling, plasma-beam interactions, geology (gamma-activation analysis of ore samples), ...
  • 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 secondary emission mode in RF gun with thermionic cathode 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V.; Perezogin, S.A.; Stepin, D.L. (Вопросы атомной науки и техники, 2004)
    The paper deals with the problems concerning the influence of secondary emission on the operation of radio frequency (RF) gun with thermionic cathode. The characteristics of particles bombarding the cathode are investigated by ...
  • High-current hollow beam dynamics in RF electron guns 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V. (Вопросы атомной науки и техники, 2004)
    RF electron guns with a metal-dielectric cathode are able to generate intense beams with nanosecond current pulse duration. The plasma developed during the dielectric surface flashover in vacuum is the source of particles ...
  • High-temperature metallic cathode for RF gun 
    Biller, E.Z.; Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V.; M'akushko, L.K.; Stepin, D.L.; Zhiglo, V.F. (Вопросы атомной науки и техники, 2001)
    In the paper a metallic thermionic cathode with an electron beam heating to be used in RF gun is proposed. The high-temperature metallic emitter made of high-melting material will allow to decrease significantly the pulse ...
  • 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 ...
  • 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 ...
  • Isomer ratios of photonuclear reaction products on silver and indium isotopes for bremsstrahlung energies above 35 MeV 
    Bezshyyko, O.A.; Dovbnya, A.N.; Golinka-Bezshyyko, L.O.; Kadenko, I.M.; Kulakov, I.S.; Kushnir, V.A.; Mitrochenko, V.V.; Olejnik, S.N.; Tuller, G.E.; Vodin, A.N. (Вопросы атомной науки и техники, 2009)
    Isomer ratios were obtained for nuclei 104m,gAg and 110m,gIn-products of reactions 107Ag(γ,3n)104m,gAg and 113In(γ,3n)110m,gIn after bremsstrahlung irradiation with maximum energies 35 and 36 MeV , respectively. ...
  • 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 ...
  • 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 ...
  • 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 ...