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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:

  • 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 ...
  • Peculiarities of fluorescence of thin organic films in the field of soft X-ray radiation 
    L’vov, A.N.; Senchishin, V.G.; Shulika, N.G.; Skibin, V.I.; Taller, E.G.; Voronkina, N.I.; Zaleskiy, Yu.G. (Вопросы атомной науки и техники, 2004)
    The paper presents the results of experimental study on the X-ray fluorescence of new organic films manufactured on the base of polystyrene with activating dopes of P-Terphenyl 1.0%, 1.4-Di-(2-(5-Phenyloxazolyl))- Benzene ...
  • Peculiarities of ribbon ion beam dynamics in the undulator linear accelerator 
    Masunov, E.S.; Polozov, S.M. (Вопросы атомной науки и техники, 2004)
    3D dynamics in the linear undulator accelerator is studied using analytical methods. The Hamilton form of motion equations is carried out by means of a smooth approximation method. The comparison of analytically and ...
  • Perspective directions of experimental research on fundamental physics at intermediate energies on the proposed NSC KIPT 730 MeV linear electron accelerator 
    Ganenko, V.B.; Konovalov, O.G.; Korchin, A.Yu.; Maslov, N.I.; Shevchenko, N.G. (Вопросы атомной науки и техники, 2004)
    Perspertive directions in fundamental nuclear and hadron physics with electromagnetic probes at intermediate energies up to 1 GeV are discussed. It is emphasized that for electron accelerator with the energy 500…730 ...
  • Physical and mathematical simulation of biological shielding 
    Batiy, V.G.; Glebkin, S.I.; Yegorov, V.V.; Zakrevskiy, Yu.A.; Kouzmenko, V.A.; Pravdyvyi, A.A.; Fedorchenko, D.V. (Вопросы атомной науки и техники, 2004)
    Biological shielding physical simulation and angular distribution measurement method within the “Shelter” object conditions using “Ekran” facility was considered. Method for biological shielding mathematical simulation ...
  • Properties uniformity studies for scintillation elements of 1D- and 2D-matrices on the basis of crystals ZnSe(Te), CdWO₄, CsI(Tl), Bi₃Ge₄O₁₂ 
    Ryzhikov, V.D.; Galkin, S.N.; Voronkin, E.F.; Zelenskaya, O.V.; Chernikov, V.V.; Pirogov, E.N.; Opolonin, A.D.; Kozin, D.N.; Lisetskaya, E.K. (Вопросы атомной науки и техники, 2004)
    Results are presented on parameters of light output and uniformity of scintillation properties of 1D and 2D-matrices for different conditions of their preparation. It has been shown that with grinded scintillators based ...
  • Radiation destruction and internal friction in silicon single crystals 
    Ryzhikov, V.D.; Rokhmanov, N.Ya.; Galkin, S.N.; Gnap, A.K. (Вопросы атомной науки и техники, 2004)
    The study of radiation defects in silicon single crystals of different orientation is carried out by means of methods of internal friction (IF) and electrical resistance. At the mechanical damping measurement a strategy ...
  • Radiation from relativistic positrons during planar channeling in crystals 
    Boldyshev, V.F.; Shatnev, M.G. (Вопросы атомной науки и техники, 2004)
    We present a detailed calculation of channeling radiation of planar-channeled positrons from crystal targets in the framework of our approach, which was proposed recently.

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