Наукова електронна бібліотека
періодичних видань НАН України

Перегляд Problems of Atomic Science and Technology, 2020, № 3 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2020, № 3 за назвою

Сортувати за: Порядок: Результатів:

  • Estimation of BBU threshold current in an inhomogeneous accelerating section 
    Ayzatsky, M.I.; Kramarenko, K.Yu.; Mytrochenko, V.V. (Вопросы атомной науки и техники, 2020)
    In this work we describe the procedure of estimation of regenerative beam blowup threshold current in an inhomogeneous accelerating section. The self-consistent problem of transverse motion of particles in the field of ...
  • Excitation of the wake waves by a laser pulse in ion dielectrics 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2020)
    The process of excitation of Cherenkov electromagnetic radiation by a laser pulse in ion dielectric waveguide is investigated. Nonlinear electric polarization in isotropic ion dielectric medium and, accordingly, polarization ...
  • Experimental studies of the nuclear-physical characteristics of the extended uranium target irradiated by relativistic protons, deutrons and ¹²C nuclei 
    Zhadan, A.A.; Sotnikov, V.V.; Voronko, V.A.; Baldin, A.A.; Tyutyunnikov, S.I.; Bukhal, O.V.; Husak, K.V.; Zhuk, I.V.; Zhivkov, P. (Вопросы атомной науки и техники, 2020)
    In 2011-2017 in the framework of the international collaboration project “Energy and Transmutation of RAW”, a series of experimental studies on the deep subcritical uranium assembly QUINTA were carried out. The massive ...
  • Giant M1 resonance on the ground and excited states in 2s1d-shell nuclei 
    Kachan, A.S.; Vodin, A.N.; Deiev, O.S.; Korda, L.P.; Korda, V.Yu.; Kurhuz, I.V.; Olejnik, S.M.; Timchenko, I.S. (Вопросы атомной науки и техники, 2020)
    The gamma decay of the resonance-like structures observed in the reaction of radiative capture of protons by the nuclei ²²Ne, ²⁶Mg, ³⁰Si, ³⁴,³⁶S, and ³⁸Ar in the region of excitation energies of 7…12 MeV was studied. The ...
  • Homogeneous focusing field for short relativistic electron bunches in plasma 
    Maslov, V.I.; Levchuk, I.P.; Bondar, D.S.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2020)
    Plasma wake lens in which all short relativistic electron bunches of sequence are focused identically and uniformly is studied analytically and by numerical simulation. For two types of lenses necessary parameters of focused ...
  • Improvement of beam transport and target station of technological linac “EPOS” 
    Dronov, R.N.; Reprintsev, L.V.; Tatanov, V.I. (Вопросы атомной науки и техники, 2020)
    To increase the reliability of operation and simplify the precise tuning of the beam it is proposed to upgrade the output part of the accelerator “EPOS” NSC KIPT that operates in the range of electron energies 25…35 MeV ...
  • Kharkiv test platform for research and development of Si spectrometric planar detectors and detectors arrays for medical application 
    Kapliy, O.A.; Kiprich, S.K.; Maslov, N.I.; Ovchinnik, V.D.; Potin, S.M.; Shlyahov, I.N.; Shulika, M.Yu.; Vasiliev, G.P.; Yalovenko, V.I. (Вопросы атомной науки и техники, 2020)
    A universal test platform for research and development of planar radiation detectors for use in medicine has been created having the possibility of obtaining complete information about the characteristics of the detector ...
  • Maximum transformer ratio at wakefield excitation at blowout regime in plasma by electron bunch under semi-gaussian charge distribution 
    Bondar, D.S.; Maslov, V.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2020)
    Using 2d3v code LCODE, the numerical simulation of nonlinear wakefield excitation in plasma by shaped relativistic electron bunch with charge distribution, which increases according to Gaussian charge distribution up to ...
  • 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) ...
  • Non-stationary model of the solar core 
    Skoromnaya, S.F.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2020)
    The main parameters of the standard model of the Sun are considered, according to which the Sun is considered as a spherically symmetric and quasistatic star, and thermonuclear reactions of the pp-cycle mainly occur inside ...
  • NSC KIPT positron source. Pre-project research 
    Bulyak, E.V.; Dovbnya, A.N.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Opanasenko, A.N. (Вопросы атомной науки и техники, 2020)
    We present the results of theoretical and numerical studies on the source of slow positrons for NSC KIPT. The positrons are intended to generate with the electrons of 9, 40 or 90 MeV available at the KIPT electron linacs. ...
  • Numerical simulation of multibeam systems by EL&ION code 
    Martynenko, P.A. (Вопросы атомной науки и техники, 2020)
    Based on the tube method, taking into account the three second law for the current in each tube, the program EL&ION for preliminary rapid numerical analysis of the electron-optical system was developed, using which the ...
  • On coherent and incoherent scattering of fast charged particles in ultrathin crystals 
    Shulga, N.F.; Koriukina, V.D. (Вопросы атомной науки и техники, 2020)
    We consider the fast charged particles scattering in ultrathin crystals on the base of the Born approximation of quantum electrodynamics. The main attention is paid to the question of the scattering cross section splitting ...
  • On generation of a wave package in a waveguide, filled active medium 
    Kostenko, V.V.; Kuklin, V.M.; Poklonskiy, E.V. (Вопросы атомной науки и техники, 2020)
    Excitation of electromagnetic waves in a waveguide with a medium, which is a two-level system, is considered. To describe the processes, both classical electrodynamics methods and quantum mechanics methods are used. The ...
  • On the multipurpose use of a portable neutron source 
    Kuplennikov, E.L.; Vodin, A.N.; Deiev, O.S.; Kandybei, S.S.; Olejnik, S.N.; Stoyanov, A.F.; Timchenko, I.S.; Trubnikov, V.S.; Tsymbal, V.A. (Вопросы атомной науки и техники, 2020)
    The possibility of creating a multipurpose complex for generating a reference field of thermal neutrons based on a portable neutron source (PNS) is considered. It has been shown that our method can be used to detect fissile ...
  • On the possibility to detect acts of cluster decay of atomic nuclei by the methods of noise diagnostic 
    Skorbun, A.D.; Kuchmagra, O.A.; Odinokin, G.I.; Maslyuk, V.T.; Romanyuk, M.I. (Вопросы атомной науки и техники, 2020)
    Cluster decay, as a special type of radioactive decay, up to date, is widely investigated. Nevertheless, until now, this activity is restricted: from one side by the possibilities of theoretical analysis, where some success ...
  • 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 ...
  • Proposal for creation of positron-emission tomography center on the basis of school of medicine and school of physics and technology of Kharkiv National University 
    Voronko, V.O.; Dronov, R.N.; Shramenko, B.I.; Beloziorov, І.V.; Girka, I.O. (Вопросы атомной науки и техники, 2020)
    The creation of a PET center in the Kharkov region is proposed. This is facilitated by the transfer of the cyclotron by the Julich Research Center (Germany) to Kharkiv, which will ensure the development of the diagnostic ...

Пошук


Розширений пошук

Перегляд

Мій обліковий запис