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Перегляд Bопросы атомной науки и техники, 2004 за назвою

Репозиторій DSpace/Manakin

Перегляд Bопросы атомной науки и техники, 2004 за назвою

Сортувати за: Порядок: Результатів:

  • NSC KIPT accelerator on nuclear and high energy physics 
    Dovbnya, A.N.; Guk, I.S.; Kononenko, S.G.; van der Wiel, M.; Botman, J.I.M.; Tarasenko, A.S. (Вопросы атомной науки и техники, 2004)
    Qualitatively new level can be performed by creating the accelerator that will incorporate the latest technological achievements in the field of electron beam acceleration on the basis of a superconducting TESLA accelerating ...
  • Nuclear physics techniques for determination of rocks age 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L.; Fedorets, I.D.; Valter, A.A.; Storishko, V.E. (Вопросы атомной науки и техники, 2004)
    The low background nuclear physics techniques were used for measure age geologic samples of micas (biotite, lepidolite, muscovite, phlogopite) by means of detection a gamma radiation from radioisotopes. The nuclear reactions ...
  • Nuclide composition dynamics in a subcritical reactor driven by a proton beam 
    Demchenko, P.O.; Gussev, Ye.V.; Nikolaichuk, L.I. (Вопросы атомной науки и техники, 2004)
    The numerical simulation results of nuclide composition time dynamics in a subcritical reactor blanket are given. A cylindrical subcritical reactor is driven by a high-energy proton beam injected along the radius into the ...
  • Numerical modelling of multibeam accelerating structures 
    Gavrilov, N.M.; Komarov, D.A.; Bogachenkov, D.A.; Strukov, J.N. (Вопросы атомной науки и техники, 2004)
    The three-dimensional multibeam numerical simulation has been carried out on the basis of integral equations. Dispersion equations and expressions for shunt impedance and Q-factor have been obtained for E and H oscillations in ...
  • Numerical simulation of 3D ion ribbon beam dynamics in RF undulator linac 
    Masunov, E.S.; Polozov, S.M (Вопросы атомной науки и техники, 2004)
    The ion ribbon beam can be bunched and accelerated in linear accelerator with RF undulator (UNDULAC-RF). The acceleration and focusing of beam are realized without using a synchronous wave in such an accelerator. The results ...
  • Numerical simulation of the supercritical electron beam dynamics in magnetic field of finite size in the presence of plasma 
    Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2004)
    The first results of development of a numerical electromagnetic 2.5-dimensional code «SOM 2.5» (3 dimensional by the velocities and 2 dimensional by the coordinates) for researching of a virtual cathode in the presence ...
  • Numerical study of the centre region acceleration for the RIC-30 cyclotron 
    Andreeva, Z.A.; Svistunov, Yu.A.; Silaev, S.A.; Stepanov, A.V. (Вопросы атомной науки и техники, 2004)
    The RIC-30 cyclotron was designed for acceleration of protons up to 30 MeV [1]. Since 1994 it has been used for production of radionuclides on internal target installed at a radius of 580 mm, where the beam energy equals 22 ...
  • Observation of ground state of ⁴H in ³H(α,τt)n reaction 
    Gorpinich, O.K.; Povoroznyk, O.M.; Jachmenjov, O.O. (Вопросы атомной науки и техники, 2004)
    In kinematical complete investigation of ³H(α,τt)n reaction by using beam with Eα = 67.2 МеV and titan trituated target the ground state of ⁴Н was observed with Eg.s. = Ent = 3.22 ± 0.25 МеV and Г = 2.9 ± 1,1 МеV.
  • On an electron beam excitation of linear impedance antenna 
    Priymenko, S.D.; Lonin, Yu.F.; Bondarenko, L.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2004)
    The excitation of linear impedance antenna by an electron beam in an infinite space is considered. The charge of beam is concentrated on one end of the antenna and excites frequency spectrum of its radiation. The system ...
  • On creation of a cathode units for the X -band klystron using a high-current magnetron gun as a base 
    Dovbnya, A.N.; Ayzatsky, N.I.; Boriskin, V.N.; Zakutin, V.V.; Kushnir, V.A.; Mitrochenko, V.A.; Reshetnyak, N.G.; Perezhogin, S.A.; Stepin, D.L. (Вопросы атомной науки и техники, 2004)
    The article presents the results from studies, performed at the R&D “Accelerator” NSC KIPT, on development of units for the X-band klystron with an output power 1...2 MW and at a voltage 50...100 kV. A magnetron gun with ...
  • One-dimensional inverse power reflectionless potentials V(x) = const│x-x₀ │⁻ⁿ 
    Maydanyuk, S.P. (Вопросы атомной науки и техники, 2004)
    A condition, at which inverse power one-dimensional potential becomes reflectionless during propagation through it of a plane wave, is obtained on the basis of SUSY QM methods. A scattering of a particle on spherically ...
  • On possibilities of diagnostics and formation of picosecond electron bunches in the linear accelerator by means of an optical deflector 
    Dyomin, V.S.; Reprintsev, L.V.; Shendrik, V.A. (Вопросы атомной науки и техники, 2004)
    The possibilities for measuring the phase charge distribution in picosecond bunches of the electron linac without application of an electron-optical chamber are discussed. It is proposed to use the measurement scheme based ...
  • On proportionality of the light output of semiconductor scintillators under irradiation by alpha-particles and heavy ions 
    Ryzhikov, V.; Klamra, W.; Starzhinskiy, N.; Gal’chinetskii, L.; Silin, V.; Lisetski, L.; Danshin, E.; Kapusta, M.; Szawlowski, M.; Katrunov, K.; Chernikov, V.; Tarasov, V.; Balcerzyk, M.; Moszyński, M. (Вопросы атомной науки и техники, 2004)
    In the energy range E =2.8...42.2 MeV, the light output S was measured for ZnSe-based scintillators under irradiation with α- particles and heavy ions 81Br. Under such irradiation, the proportionality S(Еα,i) is observed ...
  • On some problems in describing ⁴He(e,e′) reaction 
    Kuplennikov, E.L.; Nemashkalo, A.A.; Ranyuk, Yu.N (Вопросы атомной науки и техники, 2004)
    Inelastic ⁴He(e,e′) energy spectra and response functions together with realistic calculations are considered. It was found that at the threshold region models predict far less cross section and response functions strength ...
  • On the incoherent radiation of relativistic electrons and positrons in crystal 
    Shul’ga, N.F.; Syshchenko, V.V. (Вопросы атомной науки и техники, 2004)
    The incoherent bremsstrahlung of high energy electrons in crystal is caused by thermal spread of atoms from their equilibrium positions in the lattice. In the present article the simulation procedure for the intensity ...
  • On the optimum geometric shapes of ZnSe-based scintillation elements 
    Katrunov, K.; Naydenov, S.; Ryzhikov, V.; Starzhinskiy, N.; Gal’chinetskii, L.; Gavril’uk, V.; Yanovsky, V. (Вопросы атомной науки и техники, 2004)
    We have carried out Monte-Carlo calculations of the light collection coefficient τ for different shapes of ZnSebased scintillators Applying a theoretical model, it has been shown, that the light collection optimization can ...
  • On the possibility to observe a heavy Higgs via H⁰ →Z⁰Z⁰ →llνν decays at CMS 
    Levchuk, L.G.; Soroka, D.V.; Sorokin, P.V.; Voronko, M.V.; Zub, S.S. (Вопросы атомной науки и техники, 2004)
    A possibility to observe with the CMS a heavy (MH  200 GeV/c²) Higgs decaying via H⁰ → Z⁰Z⁰ → llνν is studied. It is suggested that for Higgs masses close to threshold of H⁰ decay to the Z⁰Z⁰ pair. The “irreducible” ...
  • Operating characteristics of the electrostatic monitors of elliptic, rectangular and circular cross-section 
    Ivashchenko, V.E.; Karnaukhov, I.M.; Trotsenko, V.I.; Shcherbakov, A.A. (Вопросы атомной науки и техники, 2004)
    The various methods of approximation of operating characteristics of electrostatic beam position monitors were investigated. The new method that allows on order to increase the precision of approximation of horizontal ...
  • Optimization of condition of target irradiation for radionuclide production 
    Dovbnya, A.M.; Shramenko, B.I.; Torgovkin, A.V. (Вопросы атомной науки и техники, 2004)
    In this report the different target arrangement relative to the bremsstrahlung beam have been considered. The analyses of spectral and angular distributions of bremstrahlung from different targets and as function of ...
  • Organic compounds destruction by a relativistic eleсtron beam in waste-waters 
    Antipov, V.S.; Babych, E.M.; Berezhna, I.V.; Gorban, N.S.; Grytsenko, A.V.; Kovpik, O.F.; Kornilov, E.O.; Kiselev, V.A.; Linnik, A.F.; Revyakina, N.Yu.; Uskov, V.V. (Вопросы атомной науки и техники, 2004)
    The electron beam influence on the decomposition of organic compounds in effluents has been investigated. In the tests, waste-water has been processed with a relativistic electron beam of the energy 3...4 MeV, formed with ...

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