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Перегляд за темою "Nuclear physics and elementary particles"

Репозиторій DSpace/Manakin

Перегляд за темою "Nuclear physics and elementary particles"

Сортувати за: Порядок: Результатів:

  • An estimate of cross-section of photo-proton reactions on ⁴⁷⁻⁵⁰Ti isotopes 
    Dikiy, N.P.; Zakharchenko, A.A.; Lyashko, Yu.V.; Uvarov, V.L.; Shevchenko, V.A.; Tenishev, A.Eh. (Вопросы атомной науки и техники, 2022)
    Development of technology of isotope production at an electron accelerator, in particular ⁴⁷Sc by the ⁴⁸Ti(γ,p)⁴⁷Sc reaction, requires accurate data on cross-sections of this and other photo-proton reactions on the titanium ...
  • Born values for vector and tensor asymmetries in electron-deuteron scattering 
    Zhaba, V.I. (Вопросы атомной науки и техники, 2020)
    Using the previously obtained analytic form factors for the deuteron wave function in the coordinate representation for the nucleon-nucleon potential Argonne v18, are calculated the Born values for vector AᴸB, AᵀB and ...
  • B-tagging and searches for new physics beyond the standard model 
    Obikhod, T.V.; Petrenko, E.A. (Вопросы атомной науки и техники, 2020)
    The article is devoted to the searches for new particles predicted by physics beyond the Standard Model through the b-tagging algorithm. The dependence of b-tagging efficiency on the jet identification, impact parameter ...
  • Computer modeling of tth(H) Higgs boson production with MSSM model 
    Obikhod, T.V.; Petrenko, I.A. (Problems of Atomic Science and Technology, 2022)
    We studied the properties of the MSSM Higgs bosons, h and H through the decay into b-quarks in associated production with a top-quark pair. There was used the tree-level Higgs sector described by two parameters MA and tanβ ...
  • Cross section asymmetry of the ¹²C(γ→,p0)¹¹B and ¹²C(γ→,p1)¹¹B reactions at photon energies 40...55 MeV 
    Burdeinyi, D.D.; Brudvik, J.; Ganenko, V.B.; Hansen, K.; Fissum, K.; Livingston, K.; Isaksson, L.; Lundin, M.; Nilsson, B.; Schröder, B. (Вопросы атомной науки и техники, 2019)
    The asymmetry of the cross section of the ¹²C(γ→,p0)¹¹B and ¹²C(γ→,p1)¹¹B reactions has been measured in the energy range 40...55 MeV using linearly polarized tagged photons of the MAX-lab facility. The asymmetry of the ...
  • Curvature of the diffraction cone of proton-proton elastic scattering at high energies in maximal Pomeron and Odderon model 
    Lengyel, O.; Bence, N.; Szanyi, I. (Problems of Atomic Science and Technology, 2023)
    The values of the slope B(s,t) and curvature parameter C(s,t) have been calculated within the framework of the maximal Pomeron and Odderon approach in the wide s- and low t-range with the allowance made for the diffraction ...
  • Decay width modeling of Higgs boson within THDM model 
    Obikhod, T.V.; Petrenko, E.A. (Вопросы атомной науки и техники, 2021)
    As part of the search for new physics beyond the Standard Model, we chose the determination of the Higgs boson decay width as one of the least experimentally determined values. The decay widths into the four fermions of ...
  • Deformation of odd nuclei ²³Na, ²⁵Mg, and ²⁵Al in single-particle states 
    Korda, V.Yu.; Korda, L.P.; Klepikov, V.F.; Timchenko, I.S. (Problems of Atomic Science and Technology, 2023)
    Using the evolutionary approach recently developed by us, the shapes of odd 2s1d-shell ²³Na, ²⁵Mg, and ²⁵Al nuc-lei in the ground and single-particle excited states have been extracted from the experimental data on the ...
  • Distribution of the beam density at the target of subcritical facility "Neutron Source" 
    Karnaukhov, I.M.; Zelinsky, A.Yu. (Вопросы атомной науки и техники, 2021)
    NSC KIPT subcritical facility “Neutron Source” uses rectangular tungsten or uranium target of 64×64 mm top cross-section. To generate maximum neutron flux, prevent overheating of the target and reduce thermal stress during ...
  • Estimation of gross-structure parameters of giant dipole resonance: 2. Experimental testing 
    Dikiy, N.P.; Zakharchenko, A.A.; Lyashko, Yu.V.; Uvarov, V.L.; Shevchenko, V.A.; Tenishev, A.Eh. (Вопросы атомной науки и техники, 2021)
    Experimental testing of a novel technique for determination of width and maximum of excitation function of a photonuclear reaction with dominant giant dipole resonance is conducted. The method is based on measurement of ...
  • 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 ...
  • Investigation of the influence of the nucleon pairing force on the octupole deformation of uranium and thorium isotopes in the mean-field approximation 
    Tarasov, V.N.; Kuprikov, V.I.; Pilipenko, V.V.; Tarasov, D.V. (Problems of Atomic Science and Technology, 2023)
    In the Hartree-Fock-Bogolyubov approximation and the axial symmetry of nuclei with Skyrm forces SkM∗, the properties of U with A = 220 – 232 and Th with A = 218 – 230 isotopes were calculated. In addition, the properties ...
  • Investigations of electroweak symmetry breaking mechanism for Higgs boson decays into four fermions 
    Obikhod, T.V.; Petrenko, E.A. (Вопросы атомной науки и техники, 2020)
    Models with extended Higgs boson sectors are of prime importance for investigating the mechanism of electroweak symmetry breaking for Higgs decays into four fermions and for Higgs-production in association with a vector ...
  • Isomer ratios in photonuclear reactions with multiple neutron emission 
    Vodin, O.M.; Bezshyyko, O.A.; Golinka-Bezshyyko, L.O.; Kadenko, I.M.; Kushnir, V.A.; Kotenko, A.V.; Lubynets, O.V.; Mitrochenko, V.V.; Olejnik, S.M.; Perezhogin, S.A.; Vallerand, C. (Вопросы атомной науки и техники, 2019)
    The aim of this work is studying of gamma-quanta energy dependence of isomeric ratios in A(γ,xn)m,g(A − r n) reactions in energy range 35...100MeV , i.e. beyond Great Dipole Resonance (GDR) region. Experimental data were ...
  • Manifestation of an excited electron in e⁺e⁻ → γγ reaction 
    Gakh, G.I.; Konchatnij, M.I.; Merenkov, N.P.; Gakh, A.G. (Вопросы атомной науки и техники, 2021)
    The differential cross section and some polarization observables have been calculated for the e⁺e⁻ → γγ reaction taking into account the contribution of the excited electron. The spin correlation coefficients were calculated ...
  • Monte-Carlo simulation of quasi-infinite depleted uranium target irradiated by 1…10 GeV deuteron and proton beam 
    Voronko, V.; Sotnikov, V.; Bukhal, V.; Husak, K.; Zhuk, I. (Вопросы атомной науки и техники, 2021)
    Simulation of a ~21 t depleted uranium target irradiated by 1…10 GeV proton and deuteron particles with the help of FLUKA simulation package was carried out. Neutron spectra and neutron flux in a target volume were obtained. ...
  • 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 ...
  • Product yields for the photofission of ²³⁹Pu with bremsstrahlung at 17.5 MeV boundary energy 
    Parlag, O.O.; Maslyuk, V.T.; Oleynikov, E.V.; Pylypchynets, I.V.; Lengyel, A.I. (Вопросы атомной науки и техники, 2021)
    The values of relative cumulative yields of 12 products (⁸⁵mKr, ⁹¹mY, ⁹²Sr, 97Zr, ⁹⁹Mo, ¹⁰⁵Ru, ¹³³I, ¹³⁴I, ¹³⁵I, ¹³⁸Cs, ¹³⁹Ba, ¹⁴²La, ¹⁴³Ce) of the ²³⁹Pu photofission was measured at a maximum bremsstrahlung energy of 17.5 ...
  • Structural yields and aspects of isomer in deep-inelastic collisions 
    Hossain, I. (Вопросы атомной науки и техники, 2022)
    Structural yields and features in the meta-stable states of nuclei from the projectile like fragments of 8.36 MeV ⁷⁶Ge in ¹⁹⁸Pt target are reported. The dynamic features of deep inelastic collisions (DICs) are studied by ...
  • Structure of mass distributions of photofission product yields of ²³⁸U at 17.5 MeV bremsstrahlung energy 
    Oleynikov, E.V.; Parlag, O.O.; Pylypchynets, I.V.; Maslyuk, V.T.; Lengyel, O.I. (Problems of Atomic Science and Technology, 2023)
    The values of 29 relative yields of products belonging to 26 mass chains of photofission of ²³⁸U were obtained at a maximum bremsstrahlung energy of 17.5 MeV (near the second chance fission threshold). The stimulation of ...