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NSR database version of April 27, 2024.

Search: Author = O.I.Davydovska

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2023AB02      Nucl.Phys. A1031, 122609 (2023)

V.I.Abrosimov, O.I.Davydovska

Dynamic effects of nuclear surface in isoscalar dipole modes

doi: 10.1016/j.nuclphysa.2023.122609
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2022DA01      Phys.Rev. C 105, 014620 (2022)

O.I.Davydovska, V.Yu.Denisov, I.Yu.Sedykh

Evaluation of the fission barrier values using the experimental values of the ratio Γ_f(E)/Γ_n(E)

NUCLEAR STRUCTURE ^{180,181,182,184}W, ¹⁸⁵Re, ^{186,187,188,190}Os, ^189,191Ir, ^{192,193,194,196}Pt, ^195,197Au, ^{196,198,199,200}Hg, ²⁰¹Tl, ^207,209Bi, ^{208,210,211,212}Po, ²¹³At; analyzed experimental data for ratios of fission widths Γ_f and neutron evaporation width Γ_n as function of thermal excitation energies of the compound nuclei using statistical approach for fission barrier heights. Comparison with the results of the macroscopic-microscopic finite-range liquid-drop model.

doi: 10.1103/PhysRevC.105.014620
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2022DA03      Nucl.Phys. A1018, 122372 (2022)

O.I.Davydovska, V.Yu.Denisov, V.A.Nesterov

Subbarrier fusion and elastic scattering cross-sections based on modified Thomas-Fermi method potentials

NUCLEAR REACTIONS ⁹²Zr, ¹¹⁶Sn(¹⁶O, X), E<65 MeV; calculated fusion σ, neutron and proton densities within the modified Thomas-Fermi approach with density-dependent Skyrme forces using the nucleon densities obtained in the same approach.

doi: 10.1016/j.nuclphysa.2021.122372
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2021NE07      Ukr.J.Phys. 66, 857 (2021)

V.A.Nesterov, O.I.Davydovska, V.Yu.Denisov

Subbarrier-Fusion and Elastic-Scattering Cross-Sections Calculated on the Basis of the Nucleus-Nucleus Potential in the Framework of the Modified Thomas-Fermi Method

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X), (¹²C, X), (¹⁶O, ¹⁶O), (¹²C, ¹²C), E<100 MeV; calculated fusion and elastic σ using the modified Thomas-Fermi approach with density-dependent Skyrme forces.

doi: 10.15407/ujpe66.10.857
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2020DA13      Nucl.Phys. A1002, 121994 (2020)

O.I.Davydovska, V.A.Nesterov, V.Yu.Denisov

The nucleus-nucleus potential within the extended Thomas-Fermi method and the cross-sections of subbarrier fusion and elastic scattering for the systems ¹⁶O+^{58, 60, 62, 64}Ni

NUCLEAR REACTIONS ^58,60,62,64Ni(¹⁶O, X), (¹⁶O, ¹⁶O), E<50 MeV; calculated σ; deduced the parameter values of the imaginary part of the nuclear potential calculated for the Woods-Saxon potentials fitted the extended Thomas-Fermi with Skyrme force potentials. Comparison with available data.

doi: 10.1016/j.nuclphysa.2020.121994
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2019DA10      Nucl.Phys. A989, 214 (2019)

O.I.Davydovska, V.Yu.Denisov, V.A.Nesterov

Comparison of the nucleus-nucleus potential evaluated in the double-folding and energy density approximations and the cross-sections of elastic scattering and fusion of heavy ions

NUCLEAR STRUCTURE ¹⁶O, ⁴⁰Ca, ⁵⁶Fe, ⁹²Zr, ²⁰⁸Pb; calculated mass and charge density distributions, radii using Hartree-Fock model with Skyrme forces SkM^* and BCS approximation for nucleon pairing.

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, x), E=53-72 MeV;⁵⁶Fe, ⁹²Zr, ²⁰⁸Pb(¹⁶O, x), E=30-110 MeV; calculated total nucleus-nucleus interaction potentials for all 4 reactions, nuclear parts of the nucleus-nucleus potentials using standard double-folding method and Extended Thomas-Fermi (ETF) with Skyrme potentials with and without DDM3Y1 and ETF-kin; calculated fusion σ using CCFULL code; deduced potential parameters from the fit to the data; calculated fusion σ around the barrier energy, elastic scattering σ(θ) of ²⁰⁸Pb(¹⁶O, x) at E=95 MeV, the same quantities for ⁴⁰Ca(⁴⁰Ca, x), E=71.8 MeV, ⁵⁶Fe, ⁹²Zr, (¹⁶O, x) at 44 MeV (Fe target) and 56 MeV (Zr target); compared with data; deduced quadrupole, octupole deformation and other potential parameters.

doi: 10.1016/j.nuclphysa.2019.06.004
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2018AB13      Ukr.J.Phys. 63, 1043 (2018)

V.I.Abrosimov, O.I.Davydovska

Nature of Isoscalar Dipole Resonances in Heavy Nuclei

NUCLEAR STRUCTURE A=208; calculated the velocity field at the centroid energy; deduced a pure vortex character of the low-energy isoscalar dipole resonance in spherical nuclei and anisotropic compression character of the high-energy.

doi: 10.15407/ujpe63.12.1043
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2017ZH17      Ukr.J.Phys. 62, 285 (2017)

V.O.Zheltonozhskyi, A.M.Savrasov, K.M.Solodovnyk, V.A.Plujko, O.M.Gorbachenko, O.I.Davydovska

Isomer Ratios and Mean Angular Momenta of Primary ⁹⁷Nb Fragments at²³⁵U and ²³⁸U Photofission

NUCLEAR REACTIONS ^235,238U(γ, F)⁹⁷Nb, E=10.5, 12.0, 18.0 MeV; measured reaction products, Eγ, Iγ; deduced isomeric yield ratios, mean angular momenta of primary fission fragments. the generalized Huizenga-Vandenbosh statistical model, TALYS 1.6and EMPIRE 3.2 nuclear model codes.

doi: 10.15407/ujpe62.04.0285
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG4058.

2009AB22      Ukr.J.Phys. 54, 1068 (2009)

V.I.Abrosimov, O.I.Davydovska

Semiclassical Model of Dipole Pygmy-Resonance in Nuclei with Neutron Excess

NUCLEAR STRUCTURE ²⁰⁸Pb; calculated nucleon density distribution, dipole excitation strength; deduced resonance with a maximum energy corresponding to the energy of the dipole pygmy resonance.

Note: The following list of authors and aliases matches the search parameter O.I.Davydovska: O.I.DAVYDOVSKA, I.O.DAVYDOVSKAYA