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Перегляд Вопросы атомной науки и техники, 2017, № 6 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2017, № 6 за датою випуску

Сортувати за: Порядок: Результатів:

  • The experimental determination of heavy metal nuclei fission reactions cross sections at 0.66 GeV protons beam 
    Zhuk, I.; Husak, K.; Kruk, A.; Voronko, V.; Sotnikov, V.; Zadan, А.; Baldin, А.; Tyutyunnikov, S. (Вопросы атомной науки и техники, 2017)
    Cross sections of fission reactions of ¹⁹⁷Au, ²⁰⁷Pb, ²⁰⁹Bi, ²³²Th, ²³⁸U heavy metals induced by protons with energy of 0.66 GeV are presented. The protons beam was extracted from the Phasotron accelerator at JINR, Dubna, ...
  • Deuteron-deuteron nucleosynthesis considered with accounting of centrifugal and coulomb barriers 
    Tkachenko, I.V.; Trubnikov, S.V.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2017)
    The basic analysis of nuclear reactions in the deuteron-deuteron (dd) system at low energies is carried out. For the case of nuclear dd-fusion special attention is paid to the difference in the height of the Coulomb barriers, ...
  • Chaotic dynamics at cyclotron resonances 
    Buts, V.A.; Kuzmin, V.V.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2017)
    Mechanisms and criteria for the transition to chaotic dynamics of particles and fields under conditions of electron cyclotron resonances (ECR) are considered. It is shown that the known conditions for the onset of dynamic ...
  • On the effective interaction of waves in inhomogeneous, nonstationary media 
    Buts, V.A.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2017)
    The description of new conditions of effective interaction of waves in periodically inhomogeneous and periodically nonstationary media is given. New conditions, as a special case, contain the known conditions of interaction ...
  • Dynamics of self-injected electron bunches at their acceleration by laser pulse in plasma 
    Bondar, D.S.; Levchuk, I.P.; Maslov, V.I.; Nikonova, S.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2017)
    Dynamics of self-injected electron bunches has been numerically simulated in blowout regime at self-consistent change of electron bunch acceleration by plasma wakefield, excited by a laser pulse, to additional their ...
  • Modernization of control system of the beam critical parameters at a LU-10 industrial electron accelerator 
    Pomatsalyuk, R.I.; Uvarov, V.L.; Shevchenko, V.A.; Shlyakhov, I.N. (Вопросы атомной науки и техники, 2017)
    Continuous control and monitoring of critical parameters of radiation processing of products is one of the requirements of the international standard ISO 11137. The current system to monitoring the parameters of radiation ...
  • Radiation shield of therapeutic electron accelerator “CLINAC” 
    Voronko, V.A.; Dovbnya, A.N.; Pugachev, G.D.; Sotnikov, V.V.; Uvarov, V.L.; Shestakova, V.S. (Вопросы атомной науки и техники, 2017)
    It is anticipated that a therapeutic electron accelerator “Clinac” (manufactured by Varian Co., USA) will be installed at NSC KIPT. It has been suggested that the available compartment having thick concrete walls might be ...
  • Beam dynamics in RF gun with plasma cathode 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V.; Opanasenko, A.N. (Вопросы атомной науки и техники, 2017)
    Radiofrequency (RF) guns with a plasma cathode are comparably simple sources of intense electron beam of na-nosecond pulse duration. The plasma cathode is produced either due to the surface high-permittivity dielectric ...
  • Longitudinal-radial motion of an electron beam in the solenoidal field of the secundary-emission magnetron gun 
    Dovbnya, A.N.; Dovbnya, N.A.; Mazmanishvili, А.S.; Reshetnyak, N.G. (Вопросы атомной науки и техники, 2017)
    The results of experimental studies and numerical calculations on the generation of an electron beam by a magnetron gun with a secondary-emission cathode are presented. With the aim of obtaining precision characteristics, ...
  • Relativistic charged-particle beam scalar potential calculations for coaxial Drift tube of infinite length 
    Yatsenko, Т.; Ilyenko, К. (Вопросы атомной науки и техники, 2017)
    We receive the first order analytical expression for the scalar potential transversal distribution of finite width uniform density axisymmetric relativistic charged-particle beam propagating in the unbounded in the ...
  • The diffusion effects in relativistic electron beam in an undulator 
    Ognivenko, V.V. (Вопросы атомной науки и техники, 2017)
    We consider diffusion processes in momentum space of a relativistic electron beam moving in a spatially periodic magnetic field of an undulator. Basing on the dynamics of individual particles motion under the action of the ...
  • Dissipative generation regime of a system of stationary oscillators 
    Kuklin, V.M.; Litvinov, D.N.; Sporov, A.E. (Вопросы атомной науки и техники, 2017)
    A system of independent oscillators is considered. The interaction of the oscillators occurs through the field of the wave. The initial phases of the oscillators are random. The synchronization of the oscillators by an ...
  • Regimes of irradiation by electrons of samples of materials in supercritical water convection loop 
    Bakai, A.S.; Boriskin, V.N.; Bratchenko, M.I.; Dovbnya, A.N.; Dyuldya, S.V.; Gorenko, Yu.V.; Momot, V.A.; Romanovsky, S.K.; Savchenko, A.N.; Solodovnikov, V.I.; Titov, V.Yu.; Shelepko, S.V.; Tcebenko, G.N. (Вопросы атомной науки и техники, 2017)
    The specially designed in the NSC KIPT Supercritical Water Convection Loop (SCWCL) with an irradiation chamber coupled to an electron accelerator LPE-10 gives an opportunity for corrosion and mechanical tests of materials ...
  • Superradiant emission regimes of the system of stationary oscillators 
    Kuklin, V.M.; Litvinov, D.N.; Sporov, A.E. (Вопросы атомной науки и техники, 2017)
    The mathematical model of superluminescence of a finite system of nonlinear oscillators is considered. With each oscillator generating its own field, the oscillators interact through integral field of radiation. The influence ...
  • Angular density of diffracted transition radiation generated in a composite target by a relativistic electron beam 
    Blazhevich, S.V.; Zagorodnyuk, R.A.; Nemtsev, S.N.; Noskov, A.V. (Вопросы атомной науки и техники, 2017)
    The paper considers coherent X-ray radiation from a beam of relativistic electrons crossing a three-layer structure consisted of three layers: amorphous, vacuum, and single crystal. The possibility of constructive interference ...
  • Dinamics of amorphous dielectrics lyuminescence induced by pulse electron beam 
    Romanovsky, S.K.; Shevchenko, V.A.; Tenishev, A.Eh.; Titov, V.Yu.; Titov, D.V.; Uvarov, V.L. (Вопросы атомной науки и техники, 2017)
    A method has been developed and experimental investigation conducted on time dependence of intensity of the cathodoluminescence (CL) induced in technical dielectric materials by high-energy pulse electron beam. At a LU-10 ...
  • Стерилизация фармацевтической продукции на ускорителе электронов ЛУ-10 ННЦ ХФТИ 
    Грицан, Л.Д.; Помацалюк, Р.И.; Уваров, В.Л. (Вопросы атомной науки и техники, 2017)
    Проведен сравнительный анализ методов микробиологической деконтаминации, применяемых в фармацевтическом производстве. Показаны преимущества стерилизации электронным излучением. В ННЦ ХФТИ на радиационно-технологической ...
  • Изменение магнитных свойств Sm₂O₁₇-магнитов при воздействии 10 МэВ-электронного пучка 
    Бовда, В.А.; Бовда, А.М.; Гук, И.С.; Довбня, А.Н.; Лященко, В.Н.; Мыцыков, А.О.; Онищенко, Л.В.; Калиниченко, А.И.; Кандыбей, С.С.; Репихов, О.А. (Вопросы атомной науки и техники, 2017)
    Изучалось изменение магнитного поля образцов, изготовленных из Sm₂O₁₇-сплава, при воздействии на них электронного и фотонного излучений технологического ускорителя с энергией 10 МэВ. Проведенные исследования показали, что ...
  • Method for express determination of medical radionuclides ⁹⁹ᵐTc, ⁶⁷Cu concentration using spectrometer based on Si planar detector 
    Deiev, O.S.; Kiprich, S.K.; Maslov, N.I.; Ovchinnik, V.D.; Shulika, M.Y.; Vasiliev, G.P.; Yalovenko, V.I. (Вопросы атомной науки и техники, 2017)
    The method of express analysis provides the measurement of radiation spectra of medical radionuclides by a detection module based on an uncooled silicon planar detector and a "scintillator-silicon photosensor" type module. ...
  • The comparison of the expressions for DTR angular density in Laue and Bragg scattering geometries 
    Blazhevich, S.V.; Zagorodnyuk, R.A.; Noskov, A.V. (Вопросы атомной науки и техники, 2017)
    In the present work, the expressions for angular density of DTR generated in a single-crystal target by a relativistic electron are derived for cases of Laue and Bragg scattering geometries. The derived expressions have ...

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