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Перегляд за темою "Theory and technology of particle acceleration"

Репозиторій DSpace/Manakin

Перегляд за темою "Theory and technology of particle acceleration"

Сортувати за: Порядок: Результатів:

  • Assessment of energy efficiency of high-voltage LUE modulators 
    Kosoy, O.I.; Matz, V.O.; Romasko, V.P.; Titarenko, Yu.A.; Tytov, V.Yu.; Titov, D.V.; Tur, Yu.D.; Chaika, I.O.; Chertishchev, I.A.; Yaroshenko, E.A. (Вопросы атомной науки и техники, 2020)
    An assessment of the energy efficiency of pulse modulators of technological accelerators at the NSC KIPT. The influence of the parameters of a pulse transformer on a voltage pulse at a load is investigated. The possibilities ...
  • Development and experimental studies of methods for increasing the stability of materials of accelerating structures to high vacuum electrical discharges 
    Baturin, V.A.; Karpenko, A.Yu.; Yeryomin, S.A. (Вопросы атомной науки и техники, 2019)
    The experimental technique is described and the results of a study of the resistance to high vacuum electrical breakdowns of copper samples coated with thin films of titanium nitride are presented. The studies were carried ...
  • Development and improvement of switching stands of high-voltage LUE modulators 
    Beloglazov, V.I.; Kosoy, O.I.; Mats, V.A.; Romasko, V.P.; Chertischev, I.A.; Tytov, V.Yu.; Chaika, I.O.; Titarenko, Yu.A.; Tur, Yu.D. (Вопросы атомной науки и техники, 2019)
    The results of the development, operation and improvements of switch racks are presented. Particular attention is paid to the control and protection systems of both the thyratrons themselves and the control units of the ...
  • Development of a pulse solenoid of magnetic field amplitude up to 0.5 T and a pulse sinusoidal current generator for its power supply 
    Reshetnyak, N.G.; Romasko, V.P.; Chertishev, I.A. (Вопросы атомной науки и техники, 2020)
    The magnetic system of the installation to control the transverse dimensions of an electron beam formed by a magnetron gun with a secondary emission cathode was updated. An additional solenoid with pulsed power supply ...
  • 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 beam transversion management on exit of magnetic gun by gradient magnetic field 
    Mazmanishvili, A.S.; Reshetnyak, N.G.; Romasko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2020)
    The results of experimental studies and modeling calculations for controlling the transverse dimensions of an electron beam formed by a magnetron gun with a secondary emission cathode are presented. In the gun, the secondary ...
  • 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 ...
  • Interdigital structures of heavy ions linear accelerators: their tuning, beams focusing and use (review) 
    Dyachenko, О.F. (Вопросы атомной науки и техники, 2019)
    The review interdigital H-accelerating structures (IHAS) of the heavy ions linear accelerators developed in NSC KIPT throughout several tens of years is presented. It is shown that in structures with individual stems all ...
  • 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 ...
  • Model of finite inhomogeneous cavity chain and approximate methods of its analysis 
    Ayzatsky, M.I. (Вопросы атомной науки и техники, 2021)
    A new approach to the description of an inhomogeneous chain of coupled resonators (inhomogeneous disk waveguides) is proposed. New matrix difference equations based on the technique of coupled integral equations and the ...
  • 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 ...
  • Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams 
    Batrakov, A.B.; Glushko, E.G.; Zinchenko, A.A.; Lonin, Y.F.; Ponomarev, A.G.; Fedotov, S.I. (Вопросы атомной науки и техники, 2020)
    Noise-protected high charge voltage meter was manufactured using terminal capacitors of the four-channel pulse voltage generator (PVG). The noise protection is provided by the use of communication lines with fiberoptic ...
  • Nd-Fe-B magnets under electron irradiation with the energy of 23 MeV 
    Bovda, V.A.; Bovda, А.М.; Guk, I.S.; Dovbnya, A.N.; Lyashchenko, V.N.; Mytsykov, A.O.; Onishchenko, L.V.; Каndybei, S.S.; Repikhov, О.А. (Вопросы атомной науки и техники, 2020)
    Four Nd-Fe-B magnets underwent irradiation under 23 MeV electron beam. Nd-Fe-B magnets were magnetized to the technical saturation in the magnetic field of 3.5 T before electron treatment. Two Nd-Fe-B samples (1 and 2) ...
  • Power supply system for the helium ions linac’s injector 
    Anokhin, R.A.; Dubnyuk, S.N.; Gaponenko, N.І.; Zhuravlyov, V.G.; Zhuravlyov, A.V.; Zabotin, A.V.; Zajtsev, B.V.; Kravchenko, A.I.; Kobets, A.F.; Manuilenko, O.V.; Reshetnikov, V.N.; Svichenskiy, V.G.; Soshenko, V.A.; Shevchеnko, А.С. (Вопросы атомной науки и техники, 2020)
    This paper presents compact power supply system for the helium ion linac’s injector. The system consists of high-voltage modulator, power supplies of cathode filament, solenoid and arc modulator. It is designed on modern ...
  • Precision doublet of magnetic quadrupole lenses for ion beam formation 
    Ponomarev, A.G.; Rebrov, V.A.; Kolinko, S.V.; Salivon, V.F. (Вопросы атомной науки и техники, 2020)
    The precision doublet of magnetic quadrupole lenses is presented. The doublet yoke and poles made from a single piece of soft magnetic iron. Doublet manufacturing technology provides of alignment of the geometric axes in ...
  • Project of a beamline for the NESTOR storage ring linac to provide nuclear physics research 
    Mytrochenko, V.V.; Perezhogin, S.O.; Kushnir, V.A.; Ganenko, V.B.; Ayzatsky, M.I.; Kovalenko, G.D. (Вопросы атомной науки и техники, 2021)
    The results of selfconsistent beam dynamics simulation are presented for the linac of the NESTOR storage ring. Consideration is given to the influence of particle energy change at the output of the electron gun during the ...
  • Radiation induced demagnetization of permanent magnets under 10 MeV electron beam 
    Bovda, V.А.; Bovda, А.М.; Guk, I.S.; Dovbnya, А.N.; Lyashchenko, V.N.; Mytsykov, А.О.; Onishchenko, L.V.; Kandybey, S.S.; Repihov, O.A. (Вопросы атомной науки и техники, 2019)
    Nd-Fe-B and Sm-Co magnets were irradiated by electron beam with the energy of 10 MeV and bremsstrahlung. The absorbed dose was 16 and 160 Grad. It was found that magnetic flux of Nd-Fe-B magnets decrease with irradiation, ...
  • Rare-earth permanent magnets and their application in magnetic systems of technological electron accelerators 
    Bovda, V.A.; Bovda, A.M.; Guk, I.S.; Lyashchenko, V.N.; Mytsykov, A.O.; Onischenko, L.V. (Вопросы атомной науки и техники, 2021)
    High performance rare-earth permanent magnets become crucial components of modern electron accelerators. PLP (pressless process) method was described as the advanced production step in the current rare-earth permanent ...
  • Research of the composition of oxide layer and corn of the klystron cathodes with different degree of development 
    Vangha, S.O.; Dronov, R.M.; Mats, V.O.; Medvediev, O.V.; Tytov, V.Yu.; Tur, Yu.D.; Chayka, I.O.; Yaroshenko, E.A. (Вопросы атомной науки и техники, 2019)
    In accordance with the work program for the restoration of klystrons, a cycle of studies was carried out, which includes X-ray fluorescence analysis of the composition of the emitter layer and core of oxide cathodes with ...