NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = E.Yuksel Found 22 matches. 2024KA02 Phys.Rev. C 109, 014314 (2024) Electric dipole transitions in the relativistic quasiparticle random-phase approximation at finite temperature
doi: 10.1103/PhysRevC.109.014314
2024KA04 Phys.Rev. C 109, 024305 (2024) Finite-temperature effects in magnetic dipole transitions
doi: 10.1103/PhysRevC.109.024305
2024PA14 Nuovo Cim. C 47, 50 (2024) Nuclear energy density functionals constrained by collective nuclear excitations and parity violating electron scattering experiments NUCLEAR STRUCTURE 48Ca, 208Pb; calculated dipole polarizability using nuclear energy density functionals (EDF) and a novel relativistic EDF DD-PCX based on point coupling interaction, adjusted using not only the ground state properties of nuclei but also the properties of isoscalar giant monopole resonance and the dipole polarizability in 208Pb; deduced weak-charge form factors extracted from the CREX and PREX-II experiments to optimize the relativistic density-dependent point coupling EDFs.
doi: 10.1393/ncc/i2024-24050-y
2024RA05 Phys.Rev. C 109, 014318 (2024) A.Ravlic, E.Yuksel, T.Niksic, N.Paar Global properties of nuclei at finite-temperature within the covariant energy density functional theory
doi: 10.1103/PhysRevC.109.014318
2023RA22 Phys.Rev. C 108, 054305 (2023) A.Ravlic, E.Yuksel, T.Niksic, N.Paar Influence of the symmetry energy on the nuclear binding energies and the neutron drip line position
doi: 10.1103/PhysRevC.108.054305
2023YU01 Phys.Lett. B 836, 137622 (2023) Implications of parity-violating electron scattering experiments on 48Ca (CREX) and 208Pb (PREX-II) for nuclear energy density functionals NUCLEAR STRUCTURE 48Ca, 208Pb; analyzed available data; deduced implications of CREX and PREX-II data on nuclear matter symmetry energy and isovector properties of finite nuclei: neutron skin thickness and dipole polarizability.
doi: 10.1016/j.physletb.2022.137622
2022YU07 Phys.Rev. C 106, 054309 (2022) E.Yuksel, F.Mercier, J.-P.Ebran, E.Khan Clustering in nuclei at finite temperature NUCLEAR STRUCTURE 20,32Ne; calculated deformation parameter, pairing gap, entropy, total intrinsic density and excitation energy as a function of temperature, proton, neutron and α localization densities, proton and nuetron isoscalar and isovector densities. Finite temperature relativistic Hartree-Bogoliubov (FT-RHB) method with the relativistic density-dependent meson-nucleon coupling functional DD-ME2.
doi: 10.1103/PhysRevC.106.054309
2021RA26 Phys.Rev. C 104, 054318 (2021) A.Ravlic, E.Yuksel, Y.F.Niu, N.Paar Evolution of β-decay half-lives in stellar environments RADIOACTIVITY 52,54,56,58,60Ti, 62,64,66,68,70Fe, 120,122,124,126,128Cd, 130,132,134,136,138Sn(β-); Z=8-82, N=12-184; calculated β-decay half-lives of even-even nuclei as a function of temperature and density, Gamow-Teller strength as a function of temperature. Relativistic nuclear energy density functional framework with D3C* parametrization, and finite-temperature proton-neutron relativistic quasiparticle random-phase approximation (FT-PNRQRPA). Relevance to initial stages of the r-process or other astrophysical processes such as rp-process, dense thermonuclear explosions, and supernovae simulations.
doi: 10.1103/PhysRevC.104.054318
2021YU02 Int.J.Mod.Phys. E30, 2150017 (2021) E.Yuksel, D.Soydaner, H.Bahtiyar Nuclear binding energy predictions using neural networks: Application of the multilayer perceptron NUCLEAR STRUCTURE Z<120; calculated binding energies using the Multilayer Perceptron (MLP). Comparison with available data.
doi: 10.1142/S0218301321500178
2021YU03 Nucl.Phys. A1014, 122238 (2021) Temperature dependence of nuclear properties: A systematic study along the isotopic and isotonic chains of nuclei NUCLEAR STRUCTURE Z=20, 28, 50, 82; calculated the neutron pairing gap values, internal excitation energies, entropy, two-neutron separation energies, and neutron skin thickness with increasing temperature using the finite temperature Hartree-Fock-Bogoliubov (FT-HFB) calculations are performed using the Skyrme-type SkM* functional and mixed-type pairing interaction.
doi: 10.1016/j.nuclphysa.2021.122238
2020RA29 Phys.Rev. C 102, 065804 (2020) A.Ravlic, E.Yuksel, Y.F.Niu, G.Colo, E.Khan, N.Paar Stellar electron-capture rates based on finite-temperature relativistic quasiparticle random-phase approximation NUCLEAR REACTIONS 44Ti, 56Fe(e-, ν), E<30 MeV; calculated electron capture cross sections in stellar environment for the 0+, 0-, 1+, 1-, 2+ and 2- multipoles, B(GT+) transition strength distributions; concluded that for the complete description of electron capture, both pairing and temperature effects must be considered. Nuclear ground-state properties calculated using finite-temperature Hartree BCS theory (FT-HBCS), and nuclear excitations in the charge exchange channel using finite-temperature proton-neutron relativistic QRPA (FT-PNRQRPA), with relativistic energy density functional (DD-ME2) in both cases.
doi: 10.1103/PhysRevC.102.065804
2020YU03 Phys.Rev. C 101, 044305 (2020) E.Yuksel, N.Paar, G.Colo, E.Khan, Y.F.Niu Gamow-Teller excitations at finite temperature: Competition between pairing and temperature effects NUCLEAR STRUCTURE 42Ca, 46Ti, 118Sn; calculated B(GT-), centroid energies of Gamow-Teller (GT) resonances, summed B(GT-), quasiparticle configuration of low-lying GT- states as function of temperature. Relativistic and nonrelativistic finite temperature proton-neutron quasiparticle RPA (FT-PNQRPA) with Skyrme-type functional SkM*, and meson-exchange interaction DD-ME2. Comparison with experimental data. Relevance to universal modeling of the weak-interaction processes in stellar environments, such as electron capture, β decays, and neutrino-nucleus reactions.
doi: 10.1103/PhysRevC.101.044305
2019YU02 Phys.Rev. C 99, 034318 (2019) Optimizing the relativistic energy density functional with nuclear ground state and collective excitation properties NUCLEAR STRUCTURE 36,38,40,42,44,46,48,50,52,54,56Ca, 54,56,58,60,62,64,66,68,70,72Ni, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn, 190,192,194,196,198,200,202,204,206,208,210,212,214Pb, 90Zr; calculated binding energies using DD-PCX, DD-PC1, and DD-ME2 interactions, charge radii. 90Zr, 120Sn, 208Pb; calculated isoscalar GMR energies. 48Ca, 68Ni, 208Pb, 112,116,118,120,122,124Sn; calculated dipole polarizabilities using RHB+(Q)RPA with DD-PCX, DD-PC1, and DD-ME2 interactions. 208Pb; calculated neutron skin thickness. Relativistic energy density functional with DD-PCX interaction, based on the RHB plus (Q)RPA, supplemented with the covariance analysis. Comparison with experimental data.
doi: 10.1103/PhysRevC.99.034318
2019YU06 Eur.Phys.J. A 55, 230 (2019) E.Yuksel, G.Colo, E.Khan, Y.F.Niu Nuclear excitations within microscopic EDF approaches: Pairing and temperature effects on the dipole response
doi: 10.1140/epja/i2019-12918-8
2018YU03 Phys.Rev. C 97, 064308 (2018) E.Yuksel, G.Colo, E.Khan, Y.F.Niu Low-energy quadrupole states in neutron-rich tin nuclei NUCLEAR STRUCTURE 116,118,120,122,124,126,128,130,132,134Sn; calculated mean value of the neutron pairing gap of even-A 116Sn to 130Sn isotopes, proton and neutron single-particle energies of even-A 116Sn to 132Sn, quasiparticle energies and occupation probabilities of neutron states around the Fermi level in 116,120,124,128Sn, energies and B(E2) of first 2+ states, running energy weighted sum of 120Sn, isoscalar quadrupole strengths in even-A 116Sn to 132Sn, reduced transition probabilities of the isoscalar quadrupole responses in 116,120,124,128Sn, quasiparticle contributions to the first 2+ and low-energy states in 120,124,128Sn, proton and neutron transition densities for first 2+, low-energy peak, and GQR region states of 116,120,124,128Sn. Fully self-consistent quasiparticle random phase approximation (QRPA) with Skyrme-type energy density functionals SGII, SLy5 and SkM*. Comparison with experimental values.
doi: 10.1103/PhysRevC.97.064308
2018YU04 Turk.J.Phys. 42, 613 (2018) Gamow-Teller strength in 56Fe nucleus at finite temperatures NUCLEAR STRUCTURE 56Fe; calculated Gamow-Teller strength distribution, occupation probabilities for neutrons as a function of temperature around the Fermi level, major low-energy states for GT excitations. Skyrme-type SkM* interaction.
doi: 10.3906/fiz-1804-17
2017YU03 Phys.Rev. C 96, 024303 (2017) E.Yuksel, G.Colo, E.Khan, Y.F.Niu, K.Bozkurt Multipole excitations in hot nuclei within the finite temperature quasiparticle random phase approximation framework NUCLEAR STRUCTURE 68Ni, 120,122Sn; calculated isovector dipole and isoscalar quadrupole strength functions as function of temperature within the fully self-consistent finite temperature quasiparticle random phase approximation framework, based on the Skyrme-type SLy5 energy density functional. Comparison with available experimental data.
doi: 10.1103/PhysRevC.96.024303
2014YU04 Phys.Rev. C 89, 064322 (2014) E.Yuksel, N.Van Giai, E.Khan, K.Bozkurt Effects of the tensor force on the ground state and first 2+ states of the magic 54Ca nucleus NUCLEAR STRUCTURE 54Ca, 56Ti, 58Cr, 60Fe; calculated single-particle spectra, occupation probabilities for the neutron states in N=34 isotones. 42,44,46,48,50,52,54Ca; calculated energies and B(E2) of first 2+ states with and without the inclusion of tensor force in the mean-field; deduced magic nature of 52,54Ca isotopes. Importance of the tensor force on the shell evolution of p-f shell nuclei. Hartree-Fock-Bogoliubov (HFB) and Hartree-Fock (HF)+BCS methods using Skyrme-type SLy5, SLy5+T, and T44 interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.064322
2014YU06 Eur.Phys.J. A 50, 160 (2014) E.Yuksel, E.Khan, K.Bozkurt, G.Colo Effect of temperature on the effective mass and the neutron skin of nuclei NUCLEAR STRUCTURE 112,120Sn; calculated neutron pairing gap vs temperature, proton and neutron radii vs temperature, partial density of states using finite-temperature Hartree-Fock-BCS with zero-range Skyrme forces. 100,102,104,106,108,110,112,114,116,118,120Sn; calculated neutron skin vs neutron number using finite-temperature Hartree-Fock-BCS with zero-range Skyrme forces. 120Sn; calculated neutron levels, J, nucleon effective mass vs temperature and critical temperature, neutron and proton densities vs radius and temperature using different Skyrme interactions.
doi: 10.1140/epja/i2014-14160-4
2013YU05 Eur.Phys.J. A 49, 124 (2013) The soft Giant Monopole Resonance as a probe of the spin-orbit splitting NUCLEAR STRUCTURE 100,132Sn, 208Pb; calculated isoscalar monopole strength distribution using Skyrme HF plus RPA model.
doi: 10.1140/epja/i2013-13124-6
2012YU01 Nucl.Phys. A877, 35 (2012) Analysis of the neutron and proton contributions to the pygmy dipole mode in doubly magic nuclei NUCLEAR STRUCTURE 16,24O, 40,48,70Ca, 56,68,78Ni, 100,132Sn, 208Pb; calculated GDR, Pygmy dipole strength distribution using self-consistent HF+RPA with Skyrme interactions. Comparison with data.
doi: 10.1016/j.nuclphysa.2012.01.006
2011YU03 Int.J.Mod.Phys. E20, 2143 (2011) Tensor effects in pygmy dipole excitation NUCLEAR STRUCTURE 68Ni, 124Sn; calculated Pigmy and Giant Dipole Resonance strength functions, QRPA transition densities. HFB theory with QRPA.
doi: 10.1142/S0218301311020216
Back to query form |