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Перегляд Вопросы атомной науки и техники, 2004, № 5 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2004, № 5 за датою випуску

Сортувати за: Порядок: Результатів:

  • To the 100th anniversary of birth of Georgy Antonovich Gamov 
    Автор відсутній (Вопросы атомной науки и техники, 2004)
    GEORGY ANTONOVICH GAMOV (b. March 4, 1904, Odessa, Ukraine, d. Aug. 19, 1968, Boulder, U.S), physicist and cosmologist who was one of the foremost advocates of the big-bang theory, according to which the universe was ...
  • 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” ...
  • Spectrometer for detailed study of radon and thoron system decay products 
    Frolov, O.S.; Sadovnichy, A.A.; Pavlenko, Yu.N.; Shevchenko, V.A.; Zaytsevsky, I.L.; Podviyaniuk, R.B.; Pavlenko, I.O. (Вопросы атомной науки и техники, 2004)
    The results of development of an aspiration type spectrometer for investigation of daughter products of radon and thoron are presented. Main parameters of the device: active detector area of 32 cm2, air pumping through ...
  • Radiation shielding of the sterilization installation based on gamma-radiating europium isitopes 
    Razsukovanyj, B.N.; Mazilov, A.A.; Mazilov, A.V. (Вопросы атомной науки и техники, 2004)
    The method of calculation of a radiation protection from a source of a gamma radiation including isotopes of europium-152 and europium-154 by activity 1.5 MCi everyone is presented. As a material of protection the ...
  • Mathematical modelling of radioactive dust rise during collapse of “Shelter” object building structures 
    Batiy, V.G.; Mikhailyuk, V.P.; Rubezhanskiy, Yu.I.; Rudko, V.M.; Sizov, A.A.; Fedorchenko, D.V. (Вопросы атомной науки и техники, 2004)
    Model calculations of general dust quantity which is possible to raise during possible crashing of “Shelter” building structures are shown. Mechanism of particle “jump-up” i.e. raising of particles due to dusted surface ...
  • Mathematical simulation of “Shelter” object releases impacts 
    Batiy, V.G.; Paskevich, S.A.; Rudko, V.M.; Sizov, A.A.; Shcherbin, V.N. (Вопросы атомной науки и техники, 2004)
    Methods of mathematical modeling of radiological human impacts are described. Calculation of admissible releases at different exploitation stages of New Safe Confinement at the existing ChNPP “Shelter” object are given.
  • 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 ...
  • Resonance-like structure in ³⁶S(pγ)³⁷Cl reaction 
    Kachan, A.S.; Vodin, A.N.; Kurguz, I.V.; Lepyoshkina, O.A.; Trotsenko, S.A.; Ushakov, I.V (Вопросы атомной науки и техники, 2004)
    The γ-decay of resonances forming resonance-like structure have been investigated in the ³⁶S(pγ)³⁷Cl reaction. The decay schemes have been established for the first time. The branching ratios and probabilities of direct ...
  • 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 ...
  • Total and partial cross sections of the ¹²С(γ,3α) reaction 
    Afanas’ev, S.N.; Khodyachikh, A.F. (Вопросы атомной науки и техники, 2004)
    The total cross-section of the ¹²С(γ,3α) reaction in the energy range from the threshold to 40 MeV has been measured by the method using a diffusion chamber. It has been established that the two-stage mechanism is dominant: ...
  • Bremsstrahlung in alpha-decay: angular analysis of spectra 
    Maydanyuk, S.P.; Belchikov, S.V. (Вопросы атомной науки и техники, 2004)
    A quantum mechanical method of calculation of bremsstrahlung spectra in alpha-decay of heavy nuclei with taking into account an angle between directions of the alpha-particle motion and the photon emission is presented. ...
  • 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 ...
  • Determination of the energy standards by precision beta-spectroscopy methods 
    Kupryashkin, V.T.; Lashko, A.P.; Lashko, T.N.; Feoktistov, A.I.; Khomenkov, V.P. (Вопросы атомной науки и техники, 2004)
    The technique allowing one to determine energy of transitions in atomic nuclei with high accuracy is developed. It is based on measurement of a difference of energy of internal conversion electron lines on high-resolution ...
  • Application of evolutionary algorithms for the model-free determination of scattering matrix and the numerical diagonalization of Nilsson-model Hamiltonian 
    Vodin, A.N.; Korda, V.Yu.; Dovbnya, A.N.; Molev, A.S.; Korda, L.P. (Вопросы атомной науки и техники, 2004)
    A new model-free approach for analyzing the intermediate-energy light nucleus-nucleus elastic-scattering differential cross-sections is proposed to extract the numerical dependencies of S-matrix modulus and nuclear phase ...
  • Yang Gamov and his Kharkiv friends and colleges 
    Ranyuk, Yu.; Josephson, P. (Вопросы атомной науки и техники, 2004)
    The article is devoted to 100-yeares anniversary of prominent scientist of the 20th century George Gamov. On level with the well-known milestones of Gamov’s input to the nuclear physics here are presented fragments ...
  • Wavelet analysis of inclusive ⁴He(e,e′) spectrum and missing energy spectrum in reaction ¹²С(γ,p)¹¹В 
    Omelaenko, A.S. (Вопросы атомной науки и техники, 2004)
    We demonstrated that the standard contour plot of the wavelet transform with wavelet “Mexican Hat” of the inclusive ⁴He(e,e′) spectrum and missing energy spectrum in reaction ¹²C(γ,р)¹¹B does not give reliable visual ...
  • Electroexcitation of giant resonances in ⁵⁴Fe and ⁵⁶Fe nuclei 
    Khvastunov, V.M.; Denyak, V.V.; Ranyuk, Yu.N. (Вопросы атомной науки и техники, 2004)
    The investigation of giant multipole resonanсes in ⁵⁴Fe and ⁵⁶Fe nuclei has been carried out. The resonance at excitation energy of~13 MeV (51A¹/³) is shown to be of E2 type and to exist in both nuclei. In both nuclei the ...
  • 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.
  • Nature of isovector l-forbidden M1 transitions in light nuclei 
    Vodin, A.N.; Ushakov, I.V.; Korda, L.P.; Lepyoshkina, O.A.; Trotsenko, S.A. (Вопросы атомной науки и техники, 2004)
    Systematization of existing experimental data on probabilities of l-forbidden M1 transitions observed in the γ-decay of isobaric analogue resonances in odd-nuclei with A < 52 is carried out. The collective effects, connected ...
  • Computation of response function of multi-detector device for gamma radiation angular distribution measuring 
    Batiy, V.G.; Kochnev, N.A.; Kuzmenko, V.A.; Prokhorets, I.M.; Prokhorets, S.I.; Khazhmuradov, M.A.; Yegorov, V.V. (Вопросы атомной науки и техники, 2004)
    Simulation model, which represents properly measurement of angular distribution of γ-radiation with the help of a device ShD-1, has been developed. Comparison of response function computations with calibrating ...

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