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Перегляд Problems of Atomic Science and Technology, 2022, № 3 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2022, № 3 за датою випуску

Сортувати за: Порядок: Результатів:

  • Acceleration of a high-current proton beam in a linear induction accelerator at its compensation by electron beams 
    Fedorovskaya, O.V.; Maslov, V.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2022)
    The dynamics of a high-current proton beam in the cusp magnetic field and in the uniform magnetic field of the drift region in the presence of an accelerating field in the cusp region and of two types of compensating ...
  • APFRFQ – a simulation environment for the development of high-current linear ion accelerators with RF focusing 
    Tishkin, S.S.; Shulika, M.G.; Shulika, O.M. (Вопросы атомной науки и техники, 2022)
    Presented is an interactive environment, APFRFQ, for calculating linear accelerators based on rf field focusing of different types, namely, alternating phase focusing (APF), rf quadrupole focusing (RFQ) and a combination ...
  • The prospects for small-gap resonators based on combined RF focusing for use in proton linacs 
    Tishkin, S.S.; Shulika, M.G.; Shulika, O.M. (Вопросы атомной науки и техники, 2022)
    For high-current ion linacs operating over the medium energy range, the use of an accelerating structure that implements combined rf focusing (CRFF) is suggested. Considered is the focusing provided by short IH-, CH-, and ...
  • The possibility of application of pyrometric method in industrial dosimetry of electron beam radiation 
    Pomatsalyuk, R.I.; Romanovsky, S.K.; Shevchenko, V.A.; Tenishev, A.Eh.; Titov, D.V.; Uvarov, V.L.; Zakharchenko, A.A.; Zhyglo, V.Ph. (Вопросы атомной науки и техники, 2022)
    Validation of process of medical product sterilization includes absorbed dose mapping in a phantom made of material representative of the object to be processed. Commonly, such measurements are carried out using the ...
  • Radiation friction of relativistic charged particles moving in a periodic field 
    Ognivenko, V.V. (Вопросы атомной науки и техники, 2022)
    The motion of relativistic charged particles beam in an external periodic field is considered, taking into account the influence of incoherent fields produced by particles on this motion. On the basis of the dynamics of ...
  • Formation of electron beams with given spatial distributions by the scanner 
    Rudychev, V.G.; Lazurik, V.T.; Rudychev, Y.V. (Вопросы атомной науки и техники, 2022)
    In this article, the formation of given distributions of electron fluxes on the surfaces of irradiated objects using magnetic fields of one-dimensional and two-dimensional scanners was studied. The types of time-dependences ...
  • Video pulse conversion into a radio frequency pulsed waveform of complex composition 
    Karelin, S.Y.; Krasovitsky, V.B.; Lebedenko, A.N.; Magda, I.I.; Mukhin, V.S.; Sinitsin, V.G.; Volovenko, N.V. (Вопросы атомной науки и техники, 2022)
    The paper is a feasibility study for a nonlinear wave guiding structure, based on a coaxial line with a magnetized ferrite core inside, to form broadband pulsed signals with a controllable radio-frequency spectrum. A set ...
  • Excitation of wake fields by a relativistic electron bunch in a polar semiconductor waveguide 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2022)
    The process of wake fields excitation by a relativistic electron bunch in polar semiconductors is studied. Cylindrical semiconductor waveguide, in which relativistic electron bunch moves along axis, is considered. It is ...
  • Emittance measurement of the accelerated beams (a review) 
    Dyachenko, A.F. (Вопросы атомной науки и техники, 2022)
    A review of emittance measurement methods of the accelerated (ionic or electronic) beams on various accelerating facilities both foreign, and Ukrainian is presented. There are some ways of emittance measurements in their ...
  • LU-10M LINAC synchronization system 
    Boriskin, V.N.; Momot, V.A.; Churikov, V.V.; Solodovnikov, V.I.; Zaitsev, E.I. (Вопросы атомной науки и техники, 2022)
    The synchronization system is based on STM32F407VG and DP83848. The system generates pulses with a fre-quency of 1 to 600 Hz, a length of up to 2500 ns to synchronize the operation of the klystron modulator, master oscillator, ...
  • Magnetic system for cleaning the gamma beam at the LUE-40 electron linac output 
    Mytrochenko, V.V.; Perezhogin, S.O.; Selivanov, L.I.; Zhyglo, V.Ph.; Vodin, A.N.; Deiev, O.S.; Olejnik, S.M.; Timchenko, I.S; Kushnir, V.A. (Вопросы атомной науки и техники, 2022)
    The bremsstrahlung of accelerated electrons passing through a converter is used to study multiparticle photo-nuclear reactions. The results of calculations, numerical modeling, design, and testing of a special magnetic ...
  • Modification of the coupled integral equations method for calculation of the accelerating structure characteristics 
    Ayzatsky, M.I. (Вопросы атомной науки и техники, 2022)
    In this paper we present modification of coupled integral equations method (CIEM) for calculating the characteristics of the accelerating structures. In earlier developed CIEM schemes the coupled integral equations are ...
  • Vector proton beam writing system 
    Polozhii, H.E.; Ponomarev, A.G.; Kolinko, S.V.; Rebrov, V.A. (Вопросы атомной науки и техники, 2022)
    Vector method for scanning with focused beam of megaelectronvolt-energy in proton-beam writing is described. Vector proton-beam writing method was proven experimentally to have numerous advantages over raster method. Focused ...
  • IAP triple-beam facility for simulation studies of radiation damage of materials 
    Baturin, V.A.; Yeryomin, S.A.; Litvinov, P.A.; Pustovoitov, S.A.; Roenko, O.Yu.; Storizhko, V.E. (Вопросы атомной науки и техники, 2022)
    The project of ion irradiation facility for in-situ studies of radiation damage being developed in IAP NAS of Ukraine is presented. The platform comprises 300 kV heavy ion implanter, 50 kV collinear dual-beam light ion ...
  • Facility and researches results of the frictional characteristics of metal – irradiated - ceramics pair 
    Butenko, V.I.; Dubniuk, S.N.; Dyachenko, A.F.; Manuilenko, O.V.; Pavlii, K.V.; Zajtsev, B.V. (Вопросы атомной науки и техники, 2022)
    The technique and facility for studying of frictional characteristics of metal – ceramics pair are presented. Parameters of samples irradiation on the helium ions linear accelerator with 0.12 and 4 MeV energies are resulted. ...
  • Changes of the radiation characteristics of surface of tungsten as a result of influence of helium ion beams 
    Manuilenko, O.V.; Prokhorenko, E.M.; Pavlii, K.V.; Zajtsev, B.V.; Dubniuk, S.N.; Lytvynenko, V.V.; Prokhorenko, T.G. (Вопросы атомной науки и техники, 2022)
    The change in the radiation characteristics of the surface of tungsten was studied. Helium ions beams with energies of 0.12 and 4 MeV were used. Curves of ionization and damage are got on length of free run of ions of ...
  • Thermal annealing effects on microstructure and mechanical properties of the Ta-W-Ta solid phase joints for neutron producing targets of the research nuclear facility “Source of Neutrons” 
    Lopata, A.A.; Domnich, M.P.; Borts, B.V.; Zelinsky, A.Yu.; Parkhomenko, A.A.; Sytin, V.I.; Tkachenko, V.I.; Vorobyov, I.A.; Pidlisnyi, A.D.; Patochkin, I.V.; Gluschenko, L.I. (Вопросы атомной науки и техники, 2022)
    The paper considers the neutron-producing tantalum-tungsten-tantalum target using a niobium interlayer manu-facturing variant by means of vacuum hot roll bonding for the research nuclear facility “Source of Neutrons”. The ...
  • Universal experimental facility of IHEPNP NSC KIPT for research of high-energy electron beam interaction with thin amorphous and single-crystal structures 
    Kovalenko, G.D.; Kasilov, V.Y.; Kazarinov, Yu.H.; Karpus, S.H.; Semisalov, I.L.; Kochetov, S.S.; Shopen, O.O.; Shliakhov, I.M. (Вопросы атомной науки и техники, 2022)
    The description and bench test results of the developed universal experimental facility [1] are presented. It mounted at the direct beam line of IHEPNP NSC KIPT 30 MeV Linac for the fundamental and applied research of high ...
  • Microtron M-30 for radiation experiments: formation and control of irradiation fields 
    Romanyuk, M.I.; Hainysh, J.J.; Plakosh, Y.; Kovtun, V.; Turhovsky, O.M.; Pitchenko, G.F.; Megela, I.G.; Goshovsky, M.V.; Parlag, O.O.; Maslyuk, V.T.; Svatiuk, N.I. (Вопросы атомной науки и техники, 2022)
    The results of the formation and study of the parameters of the electronic accelerator microtron M-30 are presented. The absorbed dose and spatial-energy distribution of the density of the beam in the area of the opinion ...
  • Some results of research of chemical processes in a supercritic convectional water loop under electron exposure 
    Azarov, A.I.; Bakai, A.S.; Boriskin, V.N.; Bocharov, V.A.; Gorenko, Yu.V.; Dolzhek, M.A.; Momot, V.A.; Solodovnikov, V.I.; Titov, V.Yu.; Zebenko, G.N.; Churikov, V.V.; Shelepko, S.V. (Вопросы атомной науки и техники, 2022)
    The specific heat of water at the critical point increases abruptly and therefore supercritical water (SCW) can effectively cool a nuclear reactor, it would be promising to use SCW in nuclear energy. However, at high ...

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