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Перегляд Problems of Atomic Science and Technology, 2021, № 6 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2021, № 6 за назвою

Сортувати за: Порядок: Результатів:

  • About the acceleration rate of relativistic beams by a surface wave in a dielectric laser accelerator 
    Bolshov, O.O.; Vasiliev, A.V.; Povrozin, A.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2021)
    An analysis of the dependence of the acceleration rate of charged particles by a surface wave arising when a laser pulse/(plane wave) is incident on the interface between two dielectric media on the phase velocity of the ...
  • Accelerating of the electrons of electron bunches in a waveguide loaded dielectric structure 
    Linnik, A.F.; Onishchenko, I.N.; Omelayenko, O.L.; Pristupa, V.I.; Sotnikov, G.V.; Us, V.S. (Вопросы атомной науки и техники, 2021)
    The paper presents some results of experimental studies of the excitation of wake fields and the acceleration of electrons in waveguide-dielectric structures (DS) upon injection of a sequence of electron bunches into them. ...
  • Acceleration of electrons using inverse anomalous scattering 
    Ognivenko, V.V. (Вопросы атомной науки и техники, 2021)
    Acceleration of electrons in the field of two electromagnetic waves propagating in a slowing down medium in the direction of motion of electrons is considered under conditions when one of the waves propagates with a phase ...
  • Application of a scintillation gamma spectrometer for determination of radon content in water 
    Hakimov, D.А.; Zhuk, I.V.; Kievets, M.K. (Вопросы атомной науки и техники, 2021)
    Experimental studies have been carried out to determine the sensitivity of a mobile scintillation gamma-spectrometer to radon-222 in mineral water samples for the selected measurement geometry and the minimum measurable ...
  • Approximation of peaks in γ-spectra by Gaussian-like analytic functions 
    Berezhnoy, A.Yu. (Вопросы атомной науки и техники, 2021)
    The program processing γ-spectra named “GAMMAPEAKS”, was elaborated. This program can approximate peaks in γ-spectra with different Gaussian-like functions. The common Gaussian, the variable variance Gaussian and the ...
  • Comparative analysis of acceleration gradients for chip structures with different refractive indices 
    Vasyliev, A.V.; Bolshov, O.O.; Svistunov, O.O.; Povrozin, A.I.; Zaitcev, V.P.; Leshchenko, V.P.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2021)
    The results of numerical studies of accelerating gradients in accelerators based on dielectric chip structures with different refractive indices, excited by a titanium-sapphire laser pulse, are presented. A comparative ...
  • Development of a new device for triggering a linear electron accelerator "ALMAZ-2" 
    Zaleskyi, D.Yu.; Pristupa, V.I.; Us, V.S.; Omelaenko, O.L.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2021)
    A new device for triggering of the linear accelerator of electrons has been developed and tested. The circuit device consists of a master generator forming rectangular pulses with a duration of 1…2 μs with a front of about ...
  • Dynamics of the electron beam generated by the magnetron gun with different configurations of the magnetic field in the transportation channel 
    Mazmanishvili, O.S.; Reshetnyak, M.G.; Romasko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2021)
    The dynamics of the dimensions of the electron beam generated by the magnetron gun in the particle transport channel and the efficiency of focusing the tubular electron beam in the gradient magnetic field are investigated. ...
  • Emerging trends in wall-free Hall thrusters development 
    Litovko, I.V.; Bazhenov, V.Yu.; Goncharov, A.A.; Dobrovolsky, A.N.; Naiko, I.V. (Вопросы атомной науки и техники, 2021)
    2D-hybrid model was created for the proposed new type accelerator with a virtual cathode which allows to avoid sputtering of the cathode surface and to preserve the dynamics of accelerated ions. In the framework of the ...
  • Estimation of gross-structure parameters of giant dipole resonance: 2. Experimental testing 
    Dikiy, N.P.; Zakharchenko, A.A.; Lyashko, Yu.V.; Uvarov, V.L.; Shevchenko, V.A.; Tenishev, A.Eh. (Вопросы атомной науки и техники, 2021)
    Experimental testing of a novel technique for determination of width and maximum of excitation function of a photonuclear reaction with dominant giant dipole resonance is conducted. The method is based on measurement of ...
  • Experimental research and work development on the helium ions linac 
    Onishchenko, I.M.; Manuilenko, O.V.; Zajtsev, B.V.; Dubniuk, S.M.; Коbets, А.P.; Kravchenko, A.I.; Pavlii, К.V.; Reshetnikov, V.M.; Soshenkо, V.A.; Tishkin, S.S.; Zhuravlyov, O.V.; Zhuravlyov, V.G. (Вопросы атомной науки и техники, 2021)
    The paper provides a brief summary of the experimental research carried out at the present time at the materials science complex developed at the NSC KIPT. The main directions for the development of the work carried out ...
  • Formation and monitoring of secondary X-ray radiation under product processing with electron beam 
    Pomatsalyuk, R.I.; Shevchenko, V.A.; Titov, D.V.; Tenishev, A.Eh.; Uvarov, V.L.; Zakharchenko, A.A.; Vereshchaka, V.N. (Вопросы атомной науки и техники, 2021)
    When conducting an industrial radiation processes at an electron accelerator, a part of the beam energy is transformed into bremsstrahlung radiation. In such a way, the mixed e,X-radiation is formed in the area behind an ...
  • Gas temperature measurement in the active zone of streamer discharge under different applied voltages 
    Bolotov, O.V.; Golota, V.I.; Taran, G.V. (Вопросы атомной науки и техники, 2021)
    The experimental results on the gas temperature measurement in the active zone of streamer discharge in air at the atmospheric pressure are presented. The gas temperature value was obtained by the optical method for measuring ...
  • Image conversion of σ- and π-components of radiation of relativistic electron and metrological characteristics of the photon flux in the synchrotron radiation outlet 
    Mazmanishvili, A.S.; Moskalets, N.V.; Shcherbakov, A.A. (Вопросы атомной науки и техники, 2021)
    The paper deals with the efficiency of the capture of a photon flux of the synchrotron radiation (SR) σ- and π-components by the optical window in the SR quantum extraction channel of the NESTOR generator. It also analyses ...
  • Improvement of helium ions beam formation and transport system 
    Dyachenko, A.F.; Dubniuk, S.N.; Manuilenko, O.V.; Tishkin, S.S. (Вопросы атомной науки и техники, 2021)
    Works on improvement of a beam formation and transport system from an accelerating section output to the target complex on NSC KIPT helium ions linear accelerator with output energy of 4 MeV, used for carrying out of ...
  • Influence of radiation conditions on cracking of composite scintillators 
    Krech, A.V.; Boyarintsev, A.Yu.; Galunov, N.Z.; Karavaeva, N.L.; Gorbacheva, T.E.; Khromiuk, I.F.; Levchuk, L.G.; Popov, V.F. (Вопросы атомной науки и техники, 2021)
    The article analyzes two main hypotheses describing the cracking of a composite scintillator in the irradiation zone. This is the "temperature" and "radiation-chemical" hypothesis of cracking. The analysis is based on ...
  • Investigation of plasmochemical dissociation of hydrogen sulfide in intensive swirl flows 
    Znak, Z.O. (Вопросы атомной науки и техники, 2021)
    The process of plasmochemical decomposition H₂S in a rotating reactor is studied. The generation of ultrahigh- frequency radiation in pulsed mode was synchronized with the rotation of the rotor. The influence of the rotor ...
  • Magnetic field dynamics in plasma opening switch 
    Manuilenko, O.V.; Onishchenko, I.M.; Pashchenko, A.V.; Pashchenko, I.A.; Soshenko, V.A.; Svichensky, V.G.; Yuferov, V.B.; Zajtsev, B.V. (Вопросы атомной науки и техники, 2021)
    Computer simulations for magnetic field penetration into plasma of plasma opening switch (POS), and current loop formation in it are presented for various initial plasma densities, currents, and POS geometries. It is shown ...
  • Methods of adjusting forming lines using a low voltage thyristor switch 
    Kosoi, O.I.; Mats, V.O.; Mytrochenko, V.V.; Titov, V.Yu.; Tur, Yu.D.; Chertishchev, I.O. (Вопросы атомной науки и техники, 2021)
    A method of adjusting the generating lines of a high-voltage pulse modulator with a thyristor switch at a charging voltage of 150 V is given. The degree of pre-distortion is determined to obtain in the operating mode (60 ...
  • Millimeter-wavelength relativistic magnetron: problems of microwave power extraction 
    Gadetski, N.P.; Korenev, V.G.; Lebedenko, A.N.; Magda, I.I.; Melezhik, O.G.; Sinitsin, V.G.; Shtanko, A.A.; Volovenko, N.V. (Вопросы атомной науки и техники, 2021)
    The relativistic magnetrons operating at millimeter wavelengths demonstrate problems with microwave power extraction, both in the radial and in axial direction. The preferred axial extraction concept can be implemented ...

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