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Перегляд за темою "Ядерно-физические методы и обработка данных"

Репозиторій DSpace/Manakin

Перегляд за темою "Ядерно-физические методы и обработка данных"

Сортувати за: Порядок: Результатів:

  • Activation technique of astrophysical photonuclear reaction rate measurements using bremsstrahlung 
    Semisalov, I.; Skakun, Ye.; Kasilov, V.; Popov, V. (Вопросы атомной науки и техники, 2014)
    Astrophysical simulation of natural abundance of p-nuclei needs knowledge of the enormous quality of photonuclear reaction rates which can be derived from the reaction integral yields. The applicability of the activation ...
  • Analysis of neutron-temperature oscilations in neutron multiplying systems with delayed neutrons 
    Vodyanitskii, A.A.; Rudakov, V.A. (Вопросы атомной науки и техники, 2011)
    External sources with a given frequency excite neutron and temperature oscillations. Analytical treatment and analysis of oscillations were performed under conditions of both the weak coupling and strong coupling between ...
  • Anthropogenic radionuclide and trace elements of soil and celandine in Kharkov city 
    Dikiy, N.P.; Lyashko, Yu.V.; Katalevska, D.S.; Parhomenko, Yu.G.; Botova, M.A. (Вопросы атомной науки и техники, 2014)
    Samples of celandine and soil from Kharkiv city territory were researched. Gamma spectrometric measurements have shown that the samples contain natural radionuclides of families of ²³⁸U, ²³⁵U, ²³²Th, and also ⁴⁰K and ...
  • Cesium, strontium and sodium diffusion in magnesium kalium phosphates system 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedev, D.V.; Medvedeva, E.P.; Repikhov, O.A.; Saenko, S.Y.; Shkuropatenko, V.A.; Tarasov, R.V.; Fedorets, I.D.; Khlapova, N.P. (Вопросы атомной науки и техники, 2014)
    Nuclear-physical methods have been used for determination of diffusion coefficient of Cs, Na, Sr and Ga in samples on the basis of Ceramicrete which contained simulators of a liquid radioactive waste of "Hanford-1", KW and ...
  • Change of radioactive waste characteristics at their processing and storage at nuclear power plants 
    Rudychev, V.G.; Girka, I.O.; Rudychev, Y.V.; Kaplij, A.A.; Shchus, O.P.; Sokoltsova, T.O. (Вопросы атомной науки и техники, 2015)
    This paper offers some methods developed for calculation of radiation from the casks for storage of radioactive wastes (RW) at the nuclear power plant (NPP) area. Monte Carlo method was used to calculate spectral-angular ...
  • Composite scintillators as new type of a scintillation material 
    Karavaeva, N.L. (Вопросы атомной науки и техники, 2014)
    For radioecological tasks, we have developed a new type of scintillation materials - composite scintillators, consisting of dielectric gel as a base into which granules of scintillating substances were introduced. It has ...
  • Composite scintillators based on single crystal grains Y₂SiO₅:Ce (YSO) and Y₃Al₅O₁₂:Ce (YAG) 
    Galunov, N.Z.; Gerasymov, Ia.V.; Gorbacheva, T.E.; Grinyov, B.V.; Karavaeva, N.L.; Khabuseva, S.U.; Krech, A.V.; Levchuk, L.G.; Martynenko, E.V.; Popov, V.F.; Sidletskiy, O.Ts.; Sorokin, P.V.; Tarasenko, О.A. (Вопросы атомной науки и техники, 2017)
    Radiation-resistant composite scintillators based on grains of inorganic single crystals of the yttrium orthosilicate Y₂SiO₅:Ce and yttrium aluminium garnet Y₃Al₅5O₁₂:Ce were studied. The irradiation of the samples by KIPT ...
  • 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 ...
  • Features of molecular plasma SNF after heating and ionization 
    Yuferov, V.B.; Katrechko, V.V.; Mufel, E.V.; Svichkar, A.S.; Ilichova, V.O.; Khizhnyak, S.N.; Shariy, S.V. (Вопросы атомной науки и техники, 2014)
    The analysis of the multicomponent composition of spent nuclear fuel (SNF) is presented. The possibility of SNF separation from the fission products (FP) upon heating, evaporation and ionization (at difference of the ...
  • ⁴He²⁺ and H₂⁺ ion beam separation on ”Sokol” IBA facility 
    Karpus, S.G.; Goncharov, A.V.; Pistryak, V.M.; Zats, A.V.; Kuzmenko, V.V.; Bondarenko, V.N.; Sukhostavets, V.I.; Glazunov, L.S. (Вопросы атомной науки и техники, 2015)
    Two separation methods of ⁴He²⁺ and H₂⁺ ion beams have been tested on "Sokol" IBA facility of NSC KIPT: use of existing beam-bending magnet and electrostatic analyzer, dissociation of H₂⁺ ions when the beam passes through ...
  • Impact analysis of beam-hardening CT-artefacts in radiotherapy planning 
    Starenkiy, V.P.; Samofalov, I.O.; Vasyliev, L.L.; Trofymov, A.V. (Вопросы атомной науки и техники, 2017)
    The methods of X-ray computed tomography being improved every year and we have a sufficient amount of methods and tools for high-quality visualization at that very moment. However, as practice shows, there are still low ...
  • Investigation of processes of interaction relativistic electrons with the solutions of organic dyes 
    Buki, A.Yu.; Gokov, S.P.; Kazarinov, Yu.G.; Kalenik, S.A.; Kasilov, V.I.; Kochetov, S.S.; Makhnenko, P.L.; Mel'nitskiy, I.V.; Tverdohvalov, A.V.; Tsyatsko, V.V.; Shopen, O.A. (Вопросы атомной науки и техники, 2014)
    Investigation of the processes of interaction of ionizing radiation with complex organic objects can solve a number of fundamental and applied problems in radiation physics, chemistry and biology. In this work we investigated ...
  • Ion exchange in photoactivated inorganic matters 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedev, D.V.; Medvedeva, E.P.; Parhomenko, Yu.G.; Uvarov, V.L.; Fedorets, I.D. (Вопросы атомной науки и техники, 2017)
    The effects of monovalent and bivalent impurities on the diffusive mobility sodium, caesium and strontium in magnesium potassium phosphate hexahydrate and clinoptilolite were analysed. It was determined that ratio of ...
  • Kinetics of ¹⁵³Sm oxabiphor in the blood of cancer patients undergoing complex therapy for bone metastasis 
    Dikiy, N.P.; Lyashko, Yu.V.; Medvedeva, E.P.; Bodnar, E.N.; Grushka, A.V.; Krasnoselsky, N.V.; Paskevich, O.N. (Вопросы атомной науки и техники, 2015)
    Concentration ¹⁵³Sm in the blood of patients with bone metastasis after radionuclide therapy was determined. Considerable variation of the content of ¹⁵³Sm in blood of patients with various primary cancers from 10 to 65 ...
  • Light guides on the base of dielectric gel compositions 
    Galunov, N.Z.; Karavaeva, N.L.; Khabuseva, S.U.; Krech, A.V.; Levchuk, L.G.; Popov, V.F.; Samokhin, A.D.; Sorokin, P.V. (Вопросы атомной науки и техники, 2014)
    Light guides those have to shift the light of scintillator in a longer-wavelength region and collect this light on a photodetector are developed on the base of radiation resistant gel composition Sylgard-527. The luminescent ...
  • Mathematical modeling of radiolysis process of water under the impact of low-energy electrons 
    Jafarov, Y.D. (Вопросы атомной науки и техники, 2011)
    The radiolysis process of water (liquid phase) under the impact of low - energy electrons (E = 1, 2.5, 5, 10 keV ) was mathematically modeled using Monte-Carlo, single collision and pacing methods on the base of Mathcad ...
  • Measurement of (γ, p) reactions with ∆E − E telescope at Max-lab facility 
    Burdeinyi, D.; Brudvik, J.; Ganenko, V.; Hansen, K.; Fissum, K.; Isaksson, L.; Livingston, K.; Lundin, M.; Nilsson, B.; Schroder, B. (Вопросы атомной науки и техники, 2015)
    The paper considers the results of experiments on the reactions ¹²C(γ, p)¹¹B and d(γ, p)n in the energy range of tagged photons 35...80 MeV. Demonstrated the possibility identification of protons by ΔE - E using CsI/SSD ...
  • Monte-Carlo simulation of response of semiconductor detectors for radionuclide identification devices 
    Skrypnyk, A.I.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2015)
    Wide band-gap semiconductor detectors have good application prospects in the compact systems intended for detecting low-level radiation and identifying radionuclides. In the present work, the algorithm of identification ...
  • On possibility of short-living positron-emitting nuclides production using electron accelerator for medical diagnostics 
    Zadvorny, A.S. (Вопросы атомной науки и техники, 2011)
    Comparison is made of technologies of radiopharmaceuticals (RPC) production that are labeled with positron-emitting nuclides using a cyclotron and an electron accelerator (EA). It is shown that specific activities of RPC ...
  • Problems of remote detection of chemical explosives and fissile materials using neutron-activation diagnostics method 
    Dubina, V.N.; Chornyj, A.V.; Chornyj, V.V. (Вопросы атомной науки и техники, 2014)
    This paper presents results of computer simulation of nuclear processes (using Geant4 9.0 package) for neutrons passing through a shell-free explosive model and through a model of military load containing some fissile ...