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Перегляд Вопросы атомной науки и техники, 2014, № 3 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2014, № 3 за назвою

Сортувати за: Порядок: Результатів:

  • Accelerating structure with alternating-phase and permanent magnet focusing 
    Gussev, Ye.V.; Demchenko, P.A.; Shulika, N.G.; Shulika, O.N.; Zalesky, D.Yu. (Вопросы атомной науки и техники, 2014)
    Proposed is the method for particle motion stability in linacs based on a combination of phase-alternating and longitudinal magnetic focusing using permanent magnets made of neodymium-iron-boron alloy. Presented are the ...
  • An accelerating&focusing structure with combined RF focusing for heavy ion accelerator 
    Dyachenko, A.F.; Zaytsev, B.V.; Tishkin, S.S.; Fedeneva, Ya.N.; Shulika, N.G.; Shulika, O.N. (Вопросы атомной науки и техники, 2014)
    An accelerating&focusing channel of high-current linac for heavy ions with mass-to-charge ratio A/q ≤ 20 is presented. The channel is calculated to form and accelerate an ion beam from 6 keV/nucl. up to 1 MeV/nucl. An ...
  • Application of optimization techniques for RFQ design 
    Ovsyannikov, A.D.; Ovsyannikov, D.A.; Altsybeyev, V.V.; Durkin, A.P.; Papkovich, V.G. (Вопросы атомной науки и техники, 2014)
    Optimization approach to the beam dynamics optimization in RFQ accelerators is considered. A statement of the optimization problem and its solving methods are described. As an example, an optimization of 47.2 MHz RFQ ...
  • Beam dynamics simulation in high power driver linac using BEAMDULAC-SCL code 
    Polozov, S.M.; Samoshin, A.V. (Вопросы атомной науки и техники, 2014)
    A number of superconducting linear accelerators-drivers of high-power proton beams are discussed at present. Such accelerators are necessary for accelerating driven systems (ADS) and spallation neutron sources (SNS). ...
  • Calculation of stretching factor for optical pulse stretcher 
    Leshchenko, V.P.; Povrozin, A.I.; Karelin, S.Y. (Вопросы атомной науки и техники, 2014)
    A task of temporal stretching of pulses in an optical pulse stretcher of CPA-laser systems is considered. The output pulse profiles are obtained and the stretching factors are calculated on the foundation of the solution ...
  • Calibration of CVD-diamond based dosimeter in high-power electron and X-ray radiation fields 
    Kutny, V.E.; Nikiforov, V.I.; Opalev, O.A.; Rogov, Yu.V.; Rybka, A.V.; Shevchenko, V.A.; Shlyakhov, I.N.; Strelnitsky, V.E.; Tenishev, A.Eh.; Uvarov, V.L. (Вопросы атомной науки и техники, 2014)
    Results of a study of dosimetry characteristics of a prototype of the detector based on a polycrystalline diamond film (CVD-diamond) produced in NSC KIPT are summarized. The techniques of the detector calibration against ...
  • Characteristics of ADS target irradiated by 200…400 MeV proton beam 
    Svistunov, Yu.A.; Kudinovich, I.V.; Golovkina, A.G.; Ovsyannikov, D.A.; Bogdanov, A.A.; Tanchuk, A.V. (Вопросы атомной науки и техники, 2013-04-04)
    The problems of target choice for compact ADS with reactor thermal power 200…400 MW and 200…400 MeV proton beam are considered. Simulation results of neutron yield from fissile and non-fissile targets are presented and the ...
  • Characteristics of KIPT staff by groups of radiation risk 
    Dovbnya, A.N.; Mazilov, A.V.; Stadnik, I.A. (Вопросы атомной науки и техники, 2014)
    The methodology of individual radiation cancer risk assessment UNSCEAR-94 has been described. Characteristics of KIPT staff at the individual monitoring, in terms of the "Dose-response matrix" have been reviewed. The main ...
  • Comparison of two data acquisition and processing systems of Moller polarimeter in Hall A of Jefferson Lab 
    Vereshchaka, V.V.; Glamazdin, O.V.; Pomatsalyuk, R.I. (Вопросы атомной науки и техники, 2014)
    Two data acquisition and processing systems are used simultaneously to measure electron beam polarization by Moller polarimeter in Hall A of Jefferson Lab (Newport News, VA, USA). The old system (since 1997) is ...
  • Computer simulation of high-current ion bunches transport and acceleration with additional space charge compensation by thermal electrons 
    Manuilenko, O.V.; Karas, V.I. (Вопросы атомной науки и техники, 2014)
    The particle in cell simulation results, within the limits of the complete set of the Maxwell-Vlasov equations, of the short (the ion bunch length is much smaller than the cusp length) and long (the ion bunch length is ...
  • Control of pulsed beam parameters at the exit channel of the high-intensity linac 
    Vereshchaka, V.N.; Dovbnya, A.N.; Dronov, R.N.; Myakushko, L.K.; Reprintsev, L.V.; Savchenko, A.N.; Sarvilov, A.A.; Tatanov, V.I.; Shevchenko, V.A.; Shendrik, V.A.; Boriskin, V.N. (Вопросы атомной науки и техники, 2014)
    Control of beam parameters is important for maintenance of linac operating conditions, as well as, for securing a high-speed protection of exit channel components against the beam damage. For this purpose the beam current, ...
  • Coupling of parts accelerating structures RFQ and DTL in one resonator prestripping section the heavy ion linear accelerator MILAC 
    Bomko, V.O.; Zajtsev, B.V.; Kobets, A.P.; Pavlii, K.V.; Panov, V.V. (Вопросы атомной науки и техники, 2014)
    New pre-stripping section (PSS-20) consists of two parts with diverse accelerating structures. On an initial part of acceleration of ions from 6 up to 150 keV/nucl. high capture in process of acceleration of the injected ...
  • Design of the accelerator stand with the ECR-source for simulation experiments on the of radiation damage of the steels of the nuclear industry 
    Chalykh, B.B.; Kuybeda, R.P.; Kulevoy, T.V.; Ziyatdinova, A.V. (Вопросы атомной науки и техники, 2014)
    The imitation experiments of irradiation resistivity for steels used in nuclear industry by heavy ion beams are promising demand for material properties investigation. The formation of the defects on the real-existing ...
  • Dispenser for water sampling from supercritical convection loop 
    Boriskin, V.N.; Gorenko, Yu.V.; Kovalev, G.G.; Momot, V.A.; Savchenko, A.N.; Solodovnikov, V.I.; Shelepko, S.V.; Tsebenko, G.N. (Вопросы атомной науки и техники, 2014)
    Since 2009, the Kharkov Institute of Physics and Technology is working towards the development of equipment and methods for testing the materials for reactors SCWR (STCU project P4841). Supercritical water convection ...
  • Electron beam dynamics and channeling radiation simulation in crystal 
    Bashmakov, Yu.A.; Polozov, S.M. (Вопросы атомной науки и техники, 2014)
    2D code was designed for the simulation and simulation algorithms and methods are discussed in this report. The planar channeling is studying. Results of electron dynamics and radiation simulations are presented. The ...
  • Equilibrium of intense electron beam in coaxial undulator with partially shielded cathode in guide homogeneous magnetic field 
    Ilyenko, K.; Yatsenko, T.; Koronovskii, A.A.; Kurkin, S.A. (Вопросы атомной науки и техники, 2014)
    For the initial radii of charged-particle beam in a coaxial magnetic undulator with partially shielded cathode we formulate the equilibrium equations, which enforce the defocusing self-electric field compensation by the ...
  • Excitation of oscillations in the vircator with premodulation 
    Melezhik, O.G.; Pashchenko, A.V.; Romanov, S.S.; Shapoval, I.M. (Вопросы атомной науки и техники, 2014)
    The electronics flows dynamic in vircator premodulation diode has been studied. The problem on stationary states and disturbances in the first order approximation of interacting contrary flows-direct and reflected from ...
  • Excitation of wake fields in a semi-infinite dielectric waveguide by nonresonance sequence of bunches 
    Balakirev, V.A.; Onishchenko, I.N.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2014)
    Results of the theoretical investigations of excitation process of wakefields in semi-infinite dielectric waveguides by finite sequence of nonresonance relativistic bunches are presented. Dependence of wakefield amplitude ...
  • Experimental study of characteristics of intense electron beam injector 
    Aizatskyi, M.I.; Khodak, I.V.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Stepin, D.L.; Zhiglo, V.F. (Вопросы атомной науки и техники, 2013)
    Application of low voltage electron source requires the use of steep change of on-axis RF field along the buncher for electrons to be bunched and accelerated efficiently. The paper presents the results of studies of the ...
  • Formation of a sequence chains of nanosecond ion bunches for injection in a linear accelerator 
    Butenko, V.I.; Yegorov, A.M.; Ivanov, B.I.; Prishchepov, V.P.; Shulika, N.G. (Вопросы атомной науки и техники, 2014)
    Currently there are generators of intense ion beams of nanosecond duration. For the purpose of the injection such ions into a linear accelerator the formation of a sequence ~10² ion bunches of a duration of 20 ns, a current ...

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