NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = I.Y.Sedykh Found 13 matches. 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 Γf(E)/Γn(E) NUCLEAR STRUCTURE 180,181,182,184W, 185Re, 186,187,188,190Os, 189,191Ir, 192,193,194,196Pt, 195,197Au, 196,198,199,200Hg, 201Tl, 207,209Bi, 208,210,211,212Po, 213At; analyzed experimental data for ratios of fission widths Γf and neutron evaporation width Γn 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
2022DE01 Phys.Lett. B 824, 136814 (2022) Dependence of average total kinetic energy of fission fragments on excitation energy of fissioning nucleus NUCLEAR REACTIONS 233,235,238U, 239Pu(n, F), E<100 MeV; analyzed available data. 234,236,239U, 240Pu; deduced average total kinetic energy of fission fragments using statistical model.
doi: 10.1016/j.physletb.2021.136814
2022DE02 Phys.Rev. C 105, 014616 (2022) Dependence of average total kinetic energy of fission fragments on the excitation energy of the compound nucleus NUCLEAR REACTIONS 233,235,238U, 239Pu(n, F), E=thermal; analyzed experimental data for average total kinetic energy (TKE) release of fission fragments on the excitation energy of 10-100 MeV for 234,236U, <500 MeV for 239U, and <300 MeV for 240Pu compound nuclei using a simple statistical model. Discussed origin of the energy dependence of the average total kinetic energy in neutron-induced fission.
doi: 10.1103/PhysRevC.105.014616
2021DE10 Eur.Phys.J. A 57, 129 (2021) Calculation of fission fragment characteristics for the reactions nth + 235U and n14MeV+235U NUCLEAR REACTIONS 235U(n, F), E thermal; 235U(n, F), E=14 MeV; calculated potential energy surfaces, radial dependence of α-nucleus potential, mass distributions of fission fragments using 3+4 and 4 body, the deformation energy and the ground-state deformation of fragments in the Strutinsky shell correction approach with the Cherpurnov parametrization of the Woods-Saxon potential. Comparison with experimental data.
doi: 10.1140/epja/s10050-021-00433-8
2021DE15 Chin.Phys.C 45, 044106 (2021) Production of super-heavy nuclei in cold fusion reactions NUCLEAR REACTIONS 208Pb(50Ti, X), (52Cr, X), (54Cr, X), (58Fe, X), (64Ni, X), (70Zn, X), (78Ge, X), E not given; calculated potential energy landscape as a function of the Z and deformation parameter.
doi: 10.1088/1674-1137/abdfc0
2019DE01 Chin.Phys.C 43, 014101 (2019) V.Yu.Denisov, O.A.Belyanovska, V.P.Khomenkov, I.Yu.Sedykh, K.M.Sukhyy A simple description of the temperature dependence of the width of the fission-fragment mass yield in 197Au and 209Bi at intermediate energies NUCLEAR REACTIONS 197Au, 209Bi(γ, F), E=460-896 MeV; calculated the temperature dependence of the fission-fragment widths. Comparison with experimental data.
doi: 10.1088/1674-1137/43/1/014101
2019DE26 Eur.Phys.J. A 55, 153 (2019) Empirical relations for the fusion cross sections of heavy ions NUCLEAR REACTIONS 12C(12C, x) to 124Sn(58Ni, x); compiled experimental σ for 85 even-even heavy-ion systems; calculated barrier height B, radius R, curvature hω using Wong formula; deduced formula parameters using fit to the data; calculated, estimated fusion σ, astrophysical S-factor, calculated surface deformation parameter of multipole vibrations of projectile and target nuclei, Q-values of K-neutron pickup or stripping processes, fusion σ for 85 reactions and E=2-164 MeV; 12,14,18C(12C, x), (14C, x)(18C, x), E=2-5.8 MeV; calculated astrophysical S-factor.
doi: 10.1140/epja/i2019-12855-6
2018DE28 Phys.Rev. C 98, 024601 (2018) Calculation of the fission width of an excited nucleus with the fission barrier dependent on excitation energy NUCLEAR STRUCTURE 238Pu, 286Cn; calculated excitation energy dependent fission barrier with pairing, shell correction, and liquid-drop contributions, ratio of fission widths and Bohr-Wheeler fission widths of excited compound nuclei using Strutinsky shell correction prescription and the liquid-drop model.
doi: 10.1103/PhysRevC.98.024601
2018DE41 Eur.Phys.J. A 54, 231 (2018) Calculation of the ratio Γn(E)/Γf(E) in various approaches for the fission width NUCLEAR STRUCTURE 188Os, 210,212Po; calculated excited nuclei width for the neutron emission Γn(E) and that for fission Γf(E) vs E* using the Bohr-Wheeler approach (and also some other methods). Compared with available data.
doi: 10.1140/epja/i2018-12660-9
2017DE01 Nucl.Phys. A958, 101 (2017) V.Yu.Denisov, T.O.Margitych, I.Yu.Sedykh Mass yields and kinetic energy of fragments from fission of highly-excited nuclei with A≤220 NUCLEAR STRUCTURE A≤220; calculated quadrupole, octupole, hexadecapole fragment deformation, Q vs mass number. NUCLEAR REACTIONS 142Nd(40Ca, F), E not given;144Sm(36Ar, F), E not given;182W(13C, F), E not given;184W(34S, F), E not given;186W(24Mg, F), E not given;194Pt(16O, F), E not given;197Au(α, F), E not given;208Pb(19F, F), E not given; calculated fission yields vs fragment mass using trajectory concept.
doi: 10.1016/j.nuclphysa.2016.11.007
2017DE04 Phys.Rev. C 95, 014605 (2017) V.Yu.Denisov, N.A.Pilipenko, I.Yu.Sedykh Interaction of three fission fragments and yields of various ternary fragments RADIOACTIVITY 252Cf(SF); calculated differences of the potentials for deformation parameters at the lowest barrier point for fission into 98Zr+22O+132Sn and 72Ni+48Ca+132Sn, dependence of total excitation energy of fragments for the triple spontaneous fission on the masses of the first and third, and first and second fragments, also at an excitation energy of 10 MeV. 250Cf(SF); calculated yield of probability per binary fission event of ternary particles, and compared with experimental data. Simple macroscopic model, with three collinear touching deformed fission fragments formed during the three-fragment fission after scission of necks.
doi: 10.1103/PhysRevC.95.014605
2017DE14 Nucl.Phys. A963, 15 (2017) Fission-fragment mass yields of highly excited nuclei with 119 ≤ A ≤ 218 produced in various reactions NUCLEAR REACTIONS 197Au, 209Bi(γ, f), E=1000 MeV[from bremsstrahlung, stated γ energy is the end-point energy];139La, 165Ho, 197Au(α, f), E not given; calculated fission mass yields. 99Ru(20Ne, f), E=124 MeV;112Sn(12C, f), E=137 MeV;124Sn(20Ne, f), E=140 MeV;154Sm(35Cl, f), E=163.7 MeV;176Yb(28Si, f), E=189 MeV;181Ta(19F, f), E not given;184W(16O, f), E not given;184W28Si, f), E=166, 189 MeV;186W(20Ne, f), E=142, 174 MeV;198Pt, 197Au, 206Pb(12C, f), E not given;197Au(16O, f), E not given; calculated mass yield (in the case of 16O+184W also the charge distribution employing number of states of two-fragment systems at the saddle point. Compared with published data.
doi: 10.1016/j.nuclphysa.2017.04.002
2015DE20 Phys.Rev. C 92, 014602 (2015) V.Yu.Denisov, O.I.Davidovskaya, I.Yu.Sedykh Improved parametrization of the unified model for α decay and α capture RADIOACTIVITY A=105-115(α); A=150-260(α); analyzed known ground-state-to-ground-state α-transition half-lives for 401 nuclides and determined parameters in the framework of unified model for α decay and α capture (UMADAC). Compared theoretical half-lives extracted from empirical parametrization with experimental values. NUCLEAR REACTIONS 40,44Ca, 59Co, 208Pb, 209Bi(α, X); analyzed α-capture cross sections in the framework of unified model for α decay and α capture (UMADAC).
doi: 10.1103/PhysRevC.92.014602
Back to query form |