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

Репозиторій DSpace/Manakin

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

Сортувати за: Порядок: Результатів:

  • 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 ...
  • Validation of the Geiger-Muller counter model of BDMG-04-02 using the Monte-Carlo technique 
    Fylonych, Yu.; Zaporozhan, V.; Balashevskyi, O. (Вопросы атомной науки и техники, 2021)
    The model of the Geiger-Muller counter as the internal part of BDMG-04-02 detection unit in the calibration fa- cility UPGD-2 was developedin MCNP6.2. The different methods are used for the determination of the Geiger-Muller ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Research on the properties of sorbents and decontaminants in the processes with small isotope effects 
    Levenets, V.V.; Lonin, A.Yu.; Omelnik, O.P.; Shchur, A.O. (Вопросы атомной науки и техники, 2021)
    The low values of isotope effects in the sorption/decontamination processes make it possible to investigate the properties of the sorbing and decontaminating agents with the use of stable isotope simulators. In the work ...
  • 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 ...
  • Unorganized air releases with radioactive aerosols from the New Safe Confinement of ChNPP into the environment 
    Krukovskyi, P.; Diadiushko, Ye.; Skliarenko, D.; Starovit, I. (Вопросы атомной науки и техники, 2021)
    The New Safe Confinement (NSC) of the Chernobyl NPP, which isolates the destroyed reactor and the “Shelter Object” from the environment, is not airtight, so the problem is the lack of information on the flow of norganized ...
  • Optimization of "Glucose ¹¹C" pharmaceutical production on the beam of an electron accelerator 
    Guk, I.S.; Dronov, R.N.; Deiev, O.S.; Shramenko, B.I. (Вопросы атомной науки и техники, 2021)
    The process of “Glucose ¹¹C” pharmaceutical production by means of a photonuclear reaction ¹²C(γ, n)¹¹C is considered. The parameters of bremsstrahlung and electron beam scattered in the converter are investigated and ...
  • Simulation studies of the Moliere radius for EM calorimeter materials 
    Gavrishchuk, O.P.; Kovtun, V.E.; Malykhina, T.V. (Вопросы атомной науки и техники, 2021)
    The Monte-Carlo calculations of the Moliere radius (RM) for some homogeneous and heterogeneous media used in electromagnetic calorimetry in the energy range from 50 MeV to 10 GeV are presented in detail. The obtained ...
  • Models, methods, and technologies for calculation of characteristics of the physical facility Uragan-2M 
    Martynov, S.O.; Luchaninov, O.O.; Lukyanova, V.P.; Khazhmuradov, M.A.; Prokhorets, S.I. (Вопросы атомной науки и техники, 2021)
    Models, methods, and algorithms for three-dimensional modeling of the screw winding of the Uragan-2M torsatron are considered. The application of the method of kinematic modeling is substantiated as the most acceptable for ...
  • Thermalization and ionization of metal atoms of operating environment at a metal ion-sputtering source 
    Baturin, V.A.; Litvinov, P.A.; Pustovoitov, S.A.; Roenko, O.Yu. (Вопросы атомной науки и техники, 2021)
    Fast atoms sputtered on a hot metal surface were suggested for thermalization at a metal ion-sputtering source and for further desorption into a discharge with temperature, which is equal to the temperature of the surface. ...
  • Vacuum system of klystron repair facility for electron accelerators 
    Dronov, R.M.; Ivakhnenko, M.V.; Mats, V.O.; Titarenko, Yu.O.; Titov, V.Yu. (Вопросы атомной науки и техники, 2021)
    KIU-12AM “AVRORA” klystron has been the main source of rf power for the accelerators for decades. Large accumulations of malfunctioning klystrons made it possible to recycle them using the donor parts, which are well ...
  • Remote measurement of fire parameters of the industrial accelerator electron gun 
    Mats, V.O.; Romanovsky, S.K.; Titarenko, Yu.O.; Titov, V.Yu.; Tur, Yu.D. (Вопросы атомной науки и техники, 2021)
    A device designed for continuous remote control of the parameters of the incandescent circuit of the electronic gun of the accelerator LU-10 has been developed. The created device allows to measure with galvanic isolation ...
  • On-line luminescent dosimetry of product processing mode at an electron linac 
    Pomatsalyuk, R.I.; Romanovsky, S.K.; Shevchenko, V.A.; Tenishev, A.Eh.; Titarenko, Yu.A.; Titov, D.V.; Titov, V.Yu.; Uvarov, V.L. (Вопросы атомной науки и техники, 2021)
    Radiation-technological processes on the basis of electron accelerators, in particular, sterilization of medical devices, are regulated by international standards. The distribution of the electron flux density and absorbed ...
  • 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. ...
  • Modeling of oscillatory and rotary trajectories of electrons in gradient magnetic field magnetron gun 
    Mazmanishvili, A.S.; Reshetnyak, N.G. (Вопросы атомной науки и техники, 2021)
    The motion of electrons in cylindrical magnetic field with variable strength along the axis is considered. The formation of a beam with energy of 55 keV in the longitudinal direction during its transport in solenoidal ...
  • 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 ...

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