Перегляд за автором "Deiev, O.S."

Сортувати за: Порядок: Результатів:

  • Activation of ⁹³Nb nuclei on the linac LUE-40 of RDC “Accelerator” and determination of photonuclear reaction cross-sections 
    Vodin, O.M.; Deiev, O.S.; Olejnik, S.M. (Вопросы атомной науки и техники, 2019)
    The bremsstrahlung spectra of medium-energy electrons (30…100 МeV) were calculated in GEANT4. Crosssections for photonuclear reactions were calculated in TALYS1.9. A convolution over the energy of the crosssections of one- ...
  • Bremsstrahlung of electrons and yield of neutrons from thick converters, passing of gamma-radiation and neutrons through biological shielding 
    Deiev, O.S.; Bochek, G.L.; Dubina, V.N.; Kiprich, S.K.; Vasilyev, G.P.; Yalovenko, V.I.; Ovchinnik, V.D.; Shulika, M.Y. (Вопросы атомной науки и техники, 2019)
    In GEANT4 spectral-angular distributions of the bremsstrahlung of medium-energy electrons from amorphous targets of different thickness and atomic charge were calculated. The total yield of gamma quanta in the forward ...
  • Cross-sections for photonuclear reactions ⁹³Nb(γ,n)⁹²ᵐNb and ⁹³Nb(γ,n)⁹²ᵗNb in the end-point bremsstrahlung energies 36…91 MeV 
    Vodin, A.N.; Deiev, O.S.; Timchenko, I.S.; Olejnik, S.N.; Kachan, A.S.; Korda, L.P.; Kuplennikov, E.L.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Pilipenko, N.N.; Trubnikov, V.S. (Вопросы атомной науки и техники, 2020)
    The flux-weighted averaged over the energy range of bremsstrahlung spectrum from reaction threshold up to the maximum energy of γ-ray cross-sections <σ (E)> of the ⁹³Nb(γ,n)⁹²ᵐNb and ⁹³Nb(γ,n)⁹²ᵗNb photonuclear reactions ...
  • Cross-sections of photonuclear reactions on ⁿᵃᵗMo targets at end-point bremsstrahlung energy up to Eᵧₘₐₓ = 100 MeV 
    Vodin, A.N.; Deiev, O.S.; Timchenko, I.S.; Olejnik, S.M.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.O.; Bocharov, V.O. (Вопросы атомной науки и техники, 2021)
    Experiments to determine the yields and bremsstrahlung flux-averaged cross-sections ⟨σ(Еγmax)⟩ of photonuclear reactions on the natural Mo targets were performed on the beam from the electron linear accelerator LUE-40 with ...
  • Effective thickness of the planar detector in measurements of electrons energy loss 
    Deiev, O.S.; Kiprich, S.K.; Vasilyev, G.P.; Yalovenko, V.I.; Ovchinnik, V.D.; Shulika, M.Y. (Вопросы атомной науки и техники, 2017)
    An experimental method of determining the active region thickness of Si planar detector was used. The method based on the dependence the depletion layer thickness from voltage applied to the detector (U = 0...60 V ). The ...
  • Gamma-radiation spectra of 1200MeV electrons in thick beryllium, silicon and tungsten single crystals 
    Bochek, G.L.; Deiev, O.S.; Kulibaba, V.I.; Maslov, N.I.; Ovchinnik, V.D.; Potin, S.M.; Schramenko, B.I. (Вопросы атомной науки и техники, 2019)
    Gamma radiation spectra of 1200MeV electrons from the single crystals of the beryllium 1.2mm thick, silicon 1.5mm and 15mm thick and tungsten 1.18mm thick along of the crystallographic axes were measured. Also spectral-angular ...
  • GEANT4 simulation of neutron transport and scattering in media 
    Deiev, O.S. (Вопросы атомной науки и техники, 2013)
    GEANT 4 simulation toolkit and PhysList QGSP BIC HP for simulate neutron transport and scattering was used. Primary neutron spectrum was modeled similar spectrum of ²³⁹Pu - Be(α, n) neutron source. Spectra of neutron passing ...
  • Giant M1 resonance on the ground and excited states in 2s1d-shell nuclei 
    Kachan, A.S.; Vodin, A.N.; Deiev, O.S.; Korda, L.P.; Korda, V.Yu.; Kurhuz, I.V.; Olejnik, S.M.; Timchenko, I.S. (Вопросы атомной науки и техники, 2020)
    The gamma decay of the resonance-like structures observed in the reaction of radiative capture of protons by the nuclei ²²Ne, ²⁶Mg, ³⁰Si, ³⁴,³⁶S, and ³⁸Ar in the region of excitation energies of 7…12 MeV was studied. The ...
  • Magnetic system for cleaning the gamma beam at the LUE-40 electron linac output 
    Mytrochenko, V.V.; Perezhogin, S.O.; Selivanov, L.I.; Zhyglo, V.Ph.; Vodin, A.N.; Deiev, O.S.; Olejnik, S.M.; Timchenko, I.S; Kushnir, V.A. (Вопросы атомной науки и техники, 2022)
    The bremsstrahlung of accelerated electrons passing through a converter is used to study multiparticle photo-nuclear reactions. The results of calculations, numerical modeling, design, and testing of a special magnetic ...
  • 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. ...
  • On the multipurpose use of a portable neutron source 
    Kuplennikov, E.L.; Vodin, A.N.; Deiev, O.S.; Kandybei, S.S.; Olejnik, S.N.; Stoyanov, A.F.; Timchenko, I.S.; Trubnikov, V.S.; Tsymbal, V.A. (Вопросы атомной науки и техники, 2020)
    The possibility of creating a multipurpose complex for generating a reference field of thermal neutrons based on a portable neutron source (PNS) is considered. It has been shown that our method can be used to detect fissile ...
  • Optimization of "Glucose ¹¹C" pharmaceutical production on the beam of an electron accelerator 
    Guk, I.S.; Dronov, R.N.; Deiev, O.S.; Shramenko, B.I. (Вопросы атомной науки и техники, 2021)
    The process of “Glucose ¹¹C” pharmaceutical production by means of a photonuclear reaction ¹²C(γ, n)¹¹C is considered. The parameters of bremsstrahlung and electron beam scattered in the converter are investigated and ...
  • Photonuclear reactions cross-sections at energies up to 100 MeV for different experimental setups 
    Deiev, O.S.; Timchenko, I.S.; Olejnik, S.M.; Potin, S.M.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Bocharov, V.А.; Shramenko, B.I. (Problems of Atomic Science and Technology, 2022)
    In experiments on the electron linac LUE-40 of RDC “Accelerator” NSC KIPT, the flux-averaged cross-sections ⟨σ(Еγmax)⟩exp of photonuclear reactions ¹⁰⁰Mo(γ,n)⁹⁹Mo, ²⁷Al(γ,x)²⁴Na, ⁹³Nb(γ,n)⁹²ᵐNb, ⁹³Nb(γ,3n)⁹⁰Nb, and ...
  • Registration of the thermal neutrons using uncooled Si planar detector 
    Bochek, G.L.; Deiev, O.S.; Kiprich, S.K.; Maslov, N.I.; Shulika, M.Y.; Vasiliev, G.P.; Yalovenko, V.I. (Вопросы атомной науки и техники, 2016)
    The registration of thermal neutrons by Si planar detector with natural metallic Gd neutron converter was performed. The ²³⁹Pu-Be(α, n) fast neutron source with flux 1.13·10⁵ с⁻¹ with paraffin moderator for obtaining ...
  • Temperature dependence of the energy resolution and leakage current of the planar silicone detectors 
    Deiev, O.S.; Maslov, N.I.; Ovchinnik, V.D.; Potin, S.M.; Shulika, M.Y.; Vasilyev, G.P.; Voloshyn, V.K.; Yalovenko, V.I. (Вопросы атомной науки и техники, 2013)
    The method of measurement and automated test probe station for the study of the temperature dependence of the leakage current and energy resolution of single-channel planar silicon detectors (PSD) was created. Energy ...
  • The research of X-ray and gamma radiation absorption by layered structures 
    Deiev, O.S.; Mazilov, A.A.; Mazilov, A.V.; Maslov, N.I.; Shulika, M.Yu. (Вопросы атомной науки и техники, 2016)
    Исследуется прохождение рентгеновского и гамма-излучений через сборки, состоящие из слоѐв материалов с различными атомными номерами. Экспериментально измерены и рассчитаны в GEANT спектры излучения, прошедшего через сборку. ...
  • X-ray lines relative intensity depending on detector efficiency, foils and cases thickness for primary and scattered spectra 
    Bochek, G.L.; Deiev, O.S.; Maslov, N.I.; Voloshyn, V.K. (Вопросы атомной науки и техники, 2011)
    Primary and Compton scattered radiation spectra from radioactive source ²⁴¹Am were measured in various geometry and for various targets. Spectral lines intensity of characteristic X-ray radiation (CXR), Compton and Rayleigh ...