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    • Neutron transfer and nuclear breakup in 208Pb (11Li, 9 Li) reaction 

      Azhibekov, A.K.; Samarin, V.V.; Kuterbekov, K.A. (2020)
      Neutron transfer and nuclear breakup processes in reaction with weakly bound nucleus 11Li at energies near the Coulomb barrier are investigated in the framework of the time-dependent Schrödinger equation. The evolution of probability density of outer weakly bound neutrons of 11Li in the collision with 208Pb was studied. The probabilities and cross sections of outer neutrons ...
      2023-12-04

    • A ROOT-based program for analysing data on T-odd asymmetry in the neutron-induced fission of heavy nuclei 

      Berikov, D.B.; Ahmadov, G.S.; Kopatch, Yu.N.; Zhumadilov, K.Sh. (2020)
      This paper presents a ROOT based program that allows processing the data from experiments on the ROT-asymmetry in the angular distribution of fission products and present the results of the experiment in a convenient and visual form. The program can work with huge data sets and detect very subtle effects. The algorithm used by the program is given in this work. The overall ...
      2023-12-04

    • Assessment of the dose burden and health status of the uranium processing workers of the Republic of Kazakhstan 

      Aumalikova, M.N.; Ibrayeva, D.S.; Ilbekova, K.; Kazymbet, P.K.; Bakhtin, M.M.; Janabaev, D.D.; Altaeva, N.Z. (2020)
      The main objective of current study is to assess the dose burden and health status of workers at the uranium processing hydrometallurgical plant in order to develop measures aimed at reducing their incidence. This article presents the results of radiation monitoring and data on the health status of workers at the hydrometallurgical plant of the Stepnogorsk Mining and Chemical ...
      2023-12-04

    • Determination of the response function of the NaI detector for γ-quanta with an energy of 4.43 MeV, formed during inelastic scattering of neutrons with an energy of 14.1 MeV on carbon nuclei 

      Dabylova, S.B.; Kopach, Yu.N.; Sakhiyev, S.K.; Grozdanov, D.N.; Fedorov, N.A. (2020)
      The work is devoted to determining the response function of the detector NaI(Tl) for γ -quanta with energy of 4.43 MeV, formed during inelastic scattering of neutrons with energy of 14.1 MeV on the nuclei 12 C. In gamma spectrometry, output pulses are recorded, the amplitudes of which are proportional to the energy lost in the detection medium by incident photons. One of the ...
      2023-12-04

    • The study of the applicability of invar nanostructures for the reduction of p-nitrophenyl compounds 

      Borgekov, D.B.; Zdorovets, M.V.; Shlimas, D.I.; Kozlovskiy, A.L.; Khlebnikov, N.A.; Kaniukov, E.Yu. (2020)
      The results of the study of the phase composition of iron-nickel nanostructures susceptible to electron irradiation on the catalytic reduction of p-nitrophenyl compounds are presented. In the course of the studies, it was found that the nanostructures irradiated with a dose of 250 kGy, which are characterized by the presence of two phases, with the domination of the FeNi phase, ...
      2023-12-04

    • A spatial localization of structural degradation areas in the single crystal turbine blades by means of a neutron tomography method 

      Nazarov, K.M.; Kichanov, S.E.; Lukin, E.V.; Rutkauskas, A.V.; Savenko, B.N. (2020)
      The single crystal nickel-based superalloy turbine blades have been studied by means of a neutron tomography method as a non-destructive structural probe. Differences in neutron attenuation coefficients inside volume of metal bodies of the turbine blades have been found. Those observed differences could be associated with inner structural incoherence areas arising in the process ...
      2023-12-04

    • Determination of radon levels in dwellings and social objects and evaluation annual effective dose from inhalation of radon in Stepnogorsk area Northern Kazakhstan 

      Ibrayeva, D.S.; Aumalikova, M.N.; Ilbekova, K.B.; Bakhtin, M.M.; Kazymbet, P.K. (2020)
      Radon is a noble gas that is one of the natural radioactive decay products of radium resulting from the disintegration of uranium. Humans are exposed to sources of natural radiation activity, being radon and its progeny breathing air responsible for more than 50% of the annual dose received from natural radiation. The aim of this study was to determine the radon concentration ...
      2023-12-04

    • Calculation of proton transfer cross sections in the 14N +12 C reaction at 116 MeV using the DWBA method 

      Azhibekov, A.K.; Kuterbekov, K.A.; Kabyshev, A.M.; Mukhambetzhan, A.M. (2020)
      The proton transfer in the reaction 12C( 14N,13 C) 13N are discussed. Calculations of level energies in the shell model of deformed and spherical nuclei are performed for 14N nuclei. The present theoretical analysis of the 12C( 14N,13 C) 13N reaction at 116 MeV was performed by means of the FRESCO code. Our theoretically calculated differential cross sections give a fair ...
      2023-12-04

    • Comparison of aluminum and manganum concentration in Akmola region, Kazakhstan 

      Zhumalina, A.G.; Sambayev, E.K.; Sakaguchi, A.; Endo, S.; Tanaka, K.; Kajimoto, T.; Kawano, N.; Suleimenov, T.B.; Zhumadilov, K.Sh.; Hoshi, M. (2020)
      The results of seasonal Al and Mn activity on the surface of the atmosphere above the city of Nur-Sultan are shown from October 2016 to January 2017. The technique of sampling aerosols in various fractions and further analysis of the data are described. Together with scientists from the University of Hiroshima (Hiroshima, Japan) and the University of Tsukuba (Tsukuba, Japan), ...
      2023-12-04

    • Neutron pick-up reactions in 18O (10 MeV/nucleon) + Ta 

      Lukyanov, S.; Issatayev, T.; Hue, B.M.; Maslov, V.; Mendibayev, K.; Stukalov, S.S.; Aznabayev, D.; Shakhov, A.; Kuterbekov, K.A.; Kabyshev, A.M. (2020)
      The availability of new radioactive ion beams has broadened the study of nuclear reactions and nuclear structure. The main mechanism to produce the secondary beams is the fragmentation of the projectile. An alternative method for the production of the exotic nuclei is the multinucleon transfer. We measured production cross section for the B, C, N and O isotopes in the reaction ...
      2023-12-04

    • Evolution of structural and magnetic parameters of nickel nanotubes under irradiation of Fe7+ ions 

      Shumskaya, A.; Kaniukov, E.; Shlimas, D.; Zdorovets, M.; Kozlovskiy, A. (2020)
      This work is devoted to investigations of nickel nanotubes behavior under influence of swift heavy ion irradiation. High-energy irradiation initiates damage process inside nanostructures and can cause the appearance of new phases with interesting properties. To understand the basic principles of the evolution of structural and magnetic parameters of nanostructures under the ...
      2023-12-04

    • Determination of the target parameters using the Monte Carlo method for an experiment on inelastic neutron scattering in different samples at the "TANGRA" installation 

      Dabylova, S.B.; Kopatch, Yu.N.; Sakhiev, S.K.; Grozdanov, D.N.; Fedorov, N.A. (2020)
      Using the tagged neutron method at the "TANGRA" facility at Frank Laboratory of Neutron Physics of the Joint Institute for Nuclear Research based on the ING-27 standard neutron generator, a study of the 14.1 MeV inelastic neutron scattering reaction on different nuclei was carried out. The angular distributions of γ - quanta accompanying inelastic neutron scattering on atomic ...
      2023-12-04

    • Phase composition and thermoelectric properties of the nanocomposite alloys NaxCu2−x−yS 

      Kubenova, M.M.; Balapanov, M.Kh.; Kuterbekov, K.A.; Ishembetov, R.Kh.; Kabyshev, A.M.; Yulaeva, Y.Kh. (2020)
      Nanocrystalline alloys of the compositions Na 0.05 Cu 1.95 S, Na 0.075 Cu 1.925 S, Na 0.10 Cu 1.90 S, Na 0.125 Cu 1.750 S, Na 0.15 Cu 1.85 S, Na 0.17 Cu 1.80 S, Na 0.20 Cu 1.77 S were synthesized in a melt medium mixtures of hydroxides NaOH and KOH at a temperature of about 165 ◦ C. X-ray phase analysis showed that the alloys are heterophasic and consist of phases of Cu 9 S 5 ...
      2023-12-04

    • Study of the strength characteristics and radiation resistance of thin-film coatings based on CuX (X=Bi, Mg, Ni) 

      Shlimas, D.I.; Kozlovskiy, A.L.; Kaliekperov, M.E.; Kadyrzhanov, K.K.; Uglov, V.V. (2020)
      The paper presents the results of changes in the strength characteristics of thin-film coatings based on compounds of copper-bismuth, copper-magnesium, copper-nickel. The dependences of the influence of the phase composition on the strength characteristics, such as the coefficient of friction, bending strength and impact coefficient, are established. The effect of irradiation ...
      2023-12-04

    • Comparison of calculated by DFTB electronic excitation energies of CdS nanosized clusters with DFT results 

      Aldongarov, A.A.; Assilbekova, A.M.; Irgibaeva, I.S.; Mantel, A.I. (2020)
      Nano-dimensional crystalline cadmium sulfide is a semiconductor that exhibits size-dependent optoelectronic properties, determined by the effects of quantum confinement. Due to these effects, it is possible to adjust the optical properties of the final cadmium sulfide clusters by varying their size. In this work we report the results of a theoretical study of CdS nanoparticles ...
      2023-12-04

    • Suitability testing of polyethylene terephthalate film as a solid-state nuclear track detector for using in radon studies 

      Yerimbetova, D.; Stepanenko, V.; Kozlovskiy, A.; Zhumadilov, K. (2020)
      The present work describes the procedure for testing the suitability of a polyethylene terephthalate film (after irradiation with heavy ions it is widely used in various fields) as an alpha-track detector. The test was carried out in order to determine the prospects for the use of this film in studies evaluating the indoor and outdoor radon concentrations. The study was conducted ...
      2023-12-04