NSR Query Results
Output year order : Descending NSR database version of May 22, 2024. Search: Author = E.Ha Found 25 matches. 2022KI10 Phys.Rev. C 105, 034340 (2022) S.Kim, M.-H.Mun, M.K.Cheoun, E.Ha Shape coexistence and neutron skin thickness of Pb isotopes by the deformed relativistic Hartree-Bogoliubov theory in continuum NUCLEAR STRUCTURE ^{178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214}Pb; calculated neutron pairing gaps. ^{172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,260,282,284,286,288,290,292,294,296,298,300,302}Pb; calculated deformation parameter by the minimum of the total binding energy. ^{182,184,186,188,208}Pb; calculated neutron single-particle energies for various shape coexistence cases - oblate, spherical, prolate. ^{180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Pb; calculated total binding energy dependence on the deformation.^{266,268,278}Pb; calculated neutron single-particle states occupation probabilities. ^{260,262,264,266,268,270,272,274,276,278,260,282,284,286,288,290,292,294,296,298,300,302,304}Pb; calculated S(2n), Fermi energies, deformation parameters. ^{208}Pb; calculated proton and netron density distributions. ^{174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266}Pb; calculated proton and neutron radii, neutron skin thickness. Deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc). Comparison to available experimental data.
doi: 10.1103/PhysRevC.105.034340
2021HA35 Phys.Rev. C 104, 034306 (2021) E.Ha, S.Kim, M.-K.Cheoun, H.Sagawa Isoscalar pairing correlations by the tensor force in the ground states of ^{12}C, ^{16}O, ^{20}Ne, and ^{32}S nuclei NUCLEAR STRUCTURE ^{12}C, ^{16}O, ^{20}Ne, ^{32}S; analyzed empirical pairing gaps from experimental and theoretical β_{2} deformation parameters and experimental quadrupole moments; calculated ratio of isovector (IV) and isoscalar (IS) pairing gap to the total neutron-proton pairing, tensor force (TF) effects on pairing matrix elements (PMEs), number of pairs in terms of the effective neutron-proton (T=0) coupling strength. Deformed Bardeen-Cooper-Schrieffer (BCS) model with Brueckner G-matrix derived from the charge-dependent Bonn potential for investigation of role of the tensor force on the pairing correlations in the ground-state structure. NUCLEAR REACTIONS ^{12}C(^{12}C, X), E=0.250, 1.05, 2.01 GeV; calculated ratios of the neutron-proton knockout to neutron-neutron and proton-proton knockout cross sections. Deformed BCS model with Brueckner G-matrix. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.034306
2019HA19 Phys.Rev. C 99, 064304 (2019) Effects of the Coulomb and the spin-orbit interaction in a deformed mean field on the pairing correlations in N=Z nuclei NUCLEAR STRUCTURE ^{24}Mg, ^{36}Ar, ^{48}Cr, ^{64}Ge, ^{108}Xe, ^{128}Gd; calculated np-, nn-, pp-pairing gaps, β_{2} deformation parameters, neutron and proton occupation probabilities, neutron and proton single particle state energies (SPSEs), and ratio of isovector and isoscalar pairing interaction gap to the total np-pairing gap using deformed BCS approach, with and without Coulomb and spin-orbit (SO) interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.99.064304
2019HA38 J.Phys.(London) G46, 105109 (2019) Competition of deformation and neutron-proton pairing in Gamow-Teller transitions for ^{56, 58}Ni and ^{62, 64}Ni NUCLEAR STRUCTURE ^{56,58,60,62,64}Ni; analyzed available data; calculated B(GT), occupation probabilities of neutrons and protons; deduced effects of the np pairing correlations and the deformations.
doi: 10.1088/1361-6471/ab3591
2019HA41 Acta Phys.Pol. B50, 697 (2019) Neutron-Proton Pairing Correlations and Deformation for N=Z Nuclei in sd- and pf-shell by Deformed BCS and Deformed QRPA NUCLEAR STRUCTURE ^{24}Mg, ^{72}Kr; calculated ground-state energies, neutron and proton single particle state energies (SPSEs). Deformed BCS approach. NUCLEAR REACTIONS ^{56}Ni(p, n), E not given; calculated B(GT); deducedeffects of the np pairing correlations. Deformed QRPA approach
doi: 10.5506/aphyspolb.50.697
2018HA09 Phys.Rev. C 97, 024320 (2018) Spin singlet and spin triplet pairing correlations on shape evolution in sd-shell N=Z Nuclei NUCLEAR STRUCTURE ^{24}Mg, ^{28}Si, ^{32}S; calculated energies of single-particle states, ground-state energies, total single-particle energies (TSPEs), np pairing strength, proton and neutron Fermi energies as function of deformation; deduced impact of interplay between the two pairing interactions on determining the deformation of the ground states. Axially symmetric deformed Woods-Saxon (DWS) and deformed BCS (DBCS) calculations, with T=0 and T=1 pairing correlations.
doi: 10.1103/PhysRevC.97.024320
2018HA23 Phys.Rev. C 97, 064322 (2018) E.Ha, M.-K.Cheoun, H.Sagawa, W.Y.So Neutron-proton pairing correlations and deformation for N=Z nuclei in the pf shell within the deformed BCS and Hartree-Fock-Bogoliubov approach NUCLEAR STRUCTURE ^{44}Ti, ^{48}Cr, ^{52}Fe, ^{64}Ge, ^{68}Se, ^{72}Kr, ^{76}Sr; calculated proton and neutron pairing gaps, Fermi energies of protons and neutrons, energies of single particle states in ^{44}Ti and ^{64}Ge as a function of deformation parameter β_{2}, pairing correlation energies and ground-state energies with and without neutron-proton pairing and three times enhanced T=0 pairing as a function of β_{2} parameter, neutron occupation probability in ^{68}Se, and strength parameters in ^{72}Kr. Deformed Bardeen-Cooper-Schrieffer (DBCS) and deformed Hartree-Fock-Bogoliubov (DHFB) approach for N=Z nuclei, with deformed Woods-Saxon potential calculations for single-particle states.
doi: 10.1103/PhysRevC.97.064322
2017HA07 Eur.Phys.J. A 53, 26 (2017) A study of Gamow-Teller transitions for N = Z nuclei, ^{24}Mg, ^{28}Si, and ^{32}S, by a deformed QRPA NUCLEAR STRUCTURE ^{24}Mg, ^{28}Si, ^{32}S; calculated single-neutron levels, J, π vs deformation, s-d shell β-decay GT transitions strength distribution, B(GT) using DQRPA (Deformed QRPA).
doi: 10.1140/epja/i2017-12216-7
2016HA35 Phys.Rev. C 94, 054320 (2016) Effects of deformation and neutron-proton pairing on the Gamow-Teller transitions for ^{24, 26}Mg in a deformed quasiparticle random-phase approximation NUCLEAR STRUCTURE ^{24,26}Mg; calculated total ground state energies, contours of total ground state energies in (β_{2}, β_{4}) plane, neutron single-particle level energies (SPSE) as a function of β_{2} deformation, occupation amplitudes of protons and neutrons. Deformed Woods-Saxon mean field energy (EMF) and the pairing energy. NUCLEAR REACTIONS ^{24,26}Mg(^{3}He, t), (t, ^{3}He); calculated Gamow-Teller transition strength distributions, and compared with experimental data. Neutron-proton (np) pairing correlations. Deformed quasiparticle random phase approximation (DQRPA) including deformation at the Bardeen-Cooper-Schrieffer and RPA stage.
doi: 10.1103/PhysRevC.94.054320
2015HA05 Nucl.Phys. A934, 73 (2015) Gamow-Teller strength distributions in ^{76}Ge, ^{76, 82}Se, and ^{90, 92}Zr by the deformed proton-neutron QRPA NUCLEAR STRUCTURE ^{76}Ge, ^{76,82}Se, ^{90,92}Zr; calculated deformation, pairing strength parameter, B(GT) transition strength distribution, sum rule vs E^{*} using QRPA with deformed potential.
doi: 10.1016/j.nuclphysa.2014.12.002
2015HA24 Phys.Rev. C 92, 044315 (2015) Brueckner G-matrix approach for neutron-proton pairing correlations in the deformed BCS approach NUCLEAR STRUCTURE ^{64,66,68,70,72,74}Ge; calculated pairing potential, neutron-proton pairing gap, proton, neutron and neutron-proton pairing strengths, np pairing gaps as a function of deformation parameter β_{2}, occupation probabilities of neutrons and protons. Brueckner G-matrix approach, based on CD-Bonn potential for neutron-proton (np) pairing correlations in the deformed Bardeen-Cooper-Schrieffer (BCS) theory.
doi: 10.1103/PhysRevC.92.044315
2013CH32 J.Phys.:Conf.Ser. 445, 012020 (2013) High-lying Gamow-Teller excited states in the deformed nuclei, ^{76}Ge, ^{82}Se and N = 20 nuclei in the island of inversion by the Deformed QRPA (DQRPA) NUCLEAR STRUCTURE ^{76}Ge, ^{82}Se; calculated occupation probabilities of single-particle states vs their energy, B(GT) strength distribution vs different deformations using deformed QRPA. B(GT) compared with measured (p, n) reactions on given targets.
doi: 10.1088/1742-6596/445/1/012020
2013HA18 Phys.Rev. C 88, 017603 (2013) Shell evolution of N=20 nuclei and Gamow-Teller strengths of ^{30, 32, 34}Mg with deformed quasiparticle random-phase approximation NUCLEAR STRUCTURE ^{26,28,30,32,34}Mg, ^{30}Ne, ^{34}Si; calculated energies of neutron single-particle states. ^{30,32,34}Mg; calculated deformation parameters β_{2} from RMF calculations and experimental B(E2) values, pairing gaps, Gamow-Teller strengths B(GT^{-}) as function of excitation energy and deformation. Shell closure breaking at N=20. Deformed quasiparticle random-phase approximation (DQRPA) framework.
doi: 10.1103/PhysRevC.88.017603
2012CH25 Phys.Rev. C 85, 065807 (2012) M.-K.Cheoun, E.Ha, T.Hayakawa, S.Chiba, K.Nakamura, T.Kajino, G.J.Mathews Neutrino induced reactions for ν-process nucleosynthesis of ^{92}Nb and ^{98}Tc NUCLEAR REACTIONS ^{92}Zr(ν, e)^{92}Nb, ^{93}Nb[ν, ν'n)^{92}Nb, ^{93}Nb(ν-bar, ν-bar'n]92Nb, ^{98}Mo(ν, e)^{98}Tc, ^{99}Ru(ν, ν'p)^{98}Tc, ^{99}Ru(ν-bar, ν-bar'p)^{98}Tc, E<80 MeV; calculated B(GT) strength distributions, energy and temperature dependent σ in charge current (CC) and neutral current (NC) reactions. Quasiparticle random phase approximation calculations. Nucleosynthesis of odd-odd ^{98}Tc and ^{92}Nb nuclei by the ν-process in core-collapse supernovae.
doi: 10.1103/PhysRevC.85.065807
2012CH42 Eur.Phys.J. A 48, 137 (2012) High-lying excited states in Gamow Teller strength and their roles in neutrino reactions NUCLEAR REACTIONS ^{40}Ar(ν, ν'), (ν, e), (ν-bar, e^{+}), E=0-80 MeV; calculated B(GT) strength distribution, σ. Compared with data. NUCLEAR STRUCTURE ^{90}Zr, ^{90}Nb; calculated B(GT) strength distribution below ≈ 20 MeV using QRPA and pnQRPA.
doi: 10.1140/epja/i2012-12137-y
2011CH07 Phys.Rev. C 83, 028801 (2011) Reactions on ^{40}Ar involving solar neutrinos and neutrinos from core-collapsing supernovae NUCLEAR REACTIONS ^{40}Ar(ν, e^{+})^{40}Cl, ^{40}Ar(ν, ν'), E=0-80 MeV; calculated σ, G-T strengths for solar neutrinos and neutrinos from core-collapsing supernovae using quasiparticle random phase approximation (QRPA).
doi: 10.1103/PhysRevC.83.028801
2011HA52 J.Korean Phys.Soc. 59, 1533s (2011) Exotic Nuclear Structure by the Deformed BCS and QRPA RADIOACTIVITY ^{26}Mg(β^{-}); calculated GT strength distribution using DQRPA (Deformed QRPA) with separable GT residual interaction, deformation and gap parameters. Results consistent with relativistic mean-field and some data.
doi: 10.3938/jkps.59.1533
2011HA62 J.Phys.:Conf.Ser. 312, 042002 (2011) Gamow-Teller Transitions for Neutron-Rich Nuclei in the Superburst by the Deformed Quasi-particle RPA(DQRPA) NUCLEAR STRUCTURE ^{26}Mg, ^{60}Ni; calculated deformation parameter β_{2}, pairing, GT matrix elements for β^{+} decay in neutron stars using DQRPA (deformed QRPA) with Brueckner G-matrix based on Bonn potential.
doi: 10.1088/1742-6596/312/4/042002
2010CH05 Phys.Rev. C 81, 028501 (2010) M.-K.Cheoun, E.Ha, S.Y.Lee, K.S.Kim, W.Y.So, T.Kajino Neutrino reactions on ^{12}C by the quasiparticle random-phase approximation (QRPA) NUCLEAR REACTIONS ^{12}C(ν, e)^{12}N, E=0-80 MeV; calculated σ using quasiparticle random phase approximation calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.81.028501
2010CH40 Phys.Rev. C 82, 035504 (2010) M.-K.Cheoun, E.Ha, T.Hayakawa, T.Kajino, S.Chiba Neutrino reactions on ^{138}La and ^{180}Ta via charged and neutral currents by the quasiparticle random-phase approximation NUCLEAR REACTIONS ^{139}La, ^{181}Ta(ν, ν'), ^{138}Ba(ν, e)^{138}La, ^{180}Hf(ν, e)^{180}Ta, E=0-80 MeV; calculated σ by neutral and charged current reactions using standard quasi-particle random phase approximation (QRPA) with neutron-proton pairing and neutron-neutron and proton-proton pairing correlations. Astrophysical relevance. RADIOACTIVITY ^{138}Ba, ^{180}Hf(β^{-}); calculated Gamow-Teller strength distribution B(GT) using QRPA.
doi: 10.1103/PhysRevC.82.035504
2009HA09 Phys.Rev. C 79, 037301 (2009) Rotational energy term in the empirical formula for the yrast energies in even-even nuclei NUCLEAR STRUCTURE A=2-250; analyzed excitation energies of yrast 2^{+}, 4^{+}, 6^{+}, 8^{+} and 10^{+} states in even-even nuclei in rotational-model formalism. Comparisons with experimental data.
doi: 10.1103/PhysRevC.79.037301
2008KI02 Nucl.Phys. A799, 46 (2008) Universal expression for the lowest excitation energy of natural parity even multipole states NUCLEAR STRUCTURE A=2-254; compiled, analyzed lowest excited state energies; deduced parameters of empirical formula.
doi: 10.1016/j.nuclphysa.2007.10.006
2007HA07 J.Korean Phys.Soc. 50, 1172 (2007) Empirical Formula for the Excitation Energies of the First 2^{+} and 3^{-} States in Even-Even Nuclei NUCLEAR STRUCTURE A=2-254; compiled, analyzed excited states energies; deduced parameters.
doi: 10.3938/jkps.50.1172
2007HA17 Phys.Rev. C 75, 057304 (2007) Origin of 2^{+}_{1} excitation energy dependence on valence nucleon numbers NUCLEAR STRUCTURE Z=52, 70; N=70, 102; calculated the dependence of the first 2^{+} state excitation energy in even-even nuclei on valence nucleon numbers.
doi: 10.1103/PhysRevC.75.057304
2006HA07 J.Korean Phys.Soc. 48, 318 (2006) The Low-Lying Quadrupole Strength of ^{30}Ne and ^{32}Mg Is Revisited NUCLEAR STRUCTURE ^{30}Ne, ^{32}Mg, ^{34}Si, ^{36}S, ^{38}Ar; calculated level energies, transitions B(E2). BCS plus RPA method, comparison with data.
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