Перегляд за автором "Kushnir, V.A."

Сортувати за: Порядок: Результатів:

  • 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 ...
  • 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 ...
  • Khodak, I.V.; Kushnir, V.A. (Вопросы атомной науки и техники, 2004)
    The results of the experimental research of generation of pulsed electron beam in S-band RF gun with driven plasma cathode are described. There has been designed experimental sample of the cathode based on ferroelectric ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Zhiglo, V.F.; Kushnir, V.A.; Mytrochenko, V.V.; Kramarenko, K.Yu. (Вопросы атомной науки и техники, 2015)
    Parameters and design of the cooling system of the accelerating section for industrial high power linac are given. It is shown that the heating of the outer surface of the accelerating section constitutes 1°C at average ...
  • 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 ...
  • 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. ...
  • 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 ...
  • 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 ...
  • 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), ...
  • Khodak, I.V.; Kushnir, V.A. (Вопросы атомной науки и техники, 2006)
    An RF gun with a plasma ferroelectric cathode can generate intense electron beams with peak current in a bunch up to 10² A. The space charge forces of the beam increase errors of the beam emittance measurement using a ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...