NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = H.Sagawa Found 299 matches. Showing 1 to 100. [Next]2024SA06 Phys.Rev. C 109, L011302 (2024) H.Sagawa, T.Naito, X.Roca-Maza, T.Hatsuda QCD-based charge symmetry breaking interaction and the Okamoto-Nolen-Schiffer anomaly
doi: 10.1103/PhysRevC.109.L011302
2024SU01 Phys.Rev. C 109, 014321 (2024) Sh.Sun, L.-G.Cao, F.-Sh.Zhang, H.Sagawa, G.Colo Microscopic study of M1 resonances in Sn isotopes
doi: 10.1103/PhysRevC.109.014321
2023NA15 Phys.Rev. C 107, 054307 (2023) T.Naito, T.Oishi, H.Sagawa, Z.Wang Comparative study on charge radii and their kinks at magic numbers NUCLEAR STRUCTURE 36,38,40,42,44,46,48,50,52,54,56,58,60,62Ca, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144Sn, 182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222Pb; calculated rms charge radii. 132Sn, 208Pb; calculated single-particle spectra, occupation numbers. Discussed sudden change of the mass-number dependence of the charge radius at the neutron shell gap - so-called kink behavior. Nonrelativistic Skyrme, relativistic mean field (RMF), and the relativistic Hartree-Fock (RHF) calculations. Comparison to experimental data.
doi: 10.1103/PhysRevC.107.054307
2023NA16 Phys.Rev. C 107, 064302 (2023) T.Naito, G.Colo, H.Liang, X.Roca-Maza, H.Sagawa Effects of Coulomb and isospin symmetry breaking interactions on neutron-skin thickness NUCLEAR STRUCTURE 16O, 40,48Ca, 48Ni, 208Pb; calculated neutron-skin-thickness. 40,48Ca; calculated charge radii difference between 40Ca and 48Ca. 48Ca, 48Ni; calculated mass difference of mirror nuclei.Investigated the influence of the corrections to the Hartree-Fock-Slater approximation by the Coulomb interaction and charge-symmetry breaking term originating from the strong interaction. Comparison to experimental values.
doi: 10.1103/PhysRevC.107.064302
2023YA02 Phys.Rev. C 107, 014325 (2023) M.J.Yang, H.Sagawa, C.L.Bai, H.Q.Zhang Effects of two-particle--two-hole configurations and tensor force on β decay of magic nuclei RADIOACTIVITY 34Si, 68,78Ni, 132Sn(β-); calculated T1/2, Gamow-Teller strength distribution with respect to daughter nucleus. Self-consistent Hartree-Fock plus subtracted second random-phase approximation (HF+SSRPA) model with Skyrme EDFs (SGII, SAMi, SAMi-T).Comparison to experimental data.
doi: 10.1103/PhysRevC.107.014325
2022HA26 Phys.Rev. C 106, 034313 (2022) Spatial correlation of a particle-hole pair with a repulsive isovector interaction NUCLEAR STRUCTURE 56Co; calculated energies, and components of the wave functions for the 4+ and 2+ states. 56Co, 40K; calculated uncorrelated and the correlated proton-hole distribution two-dimensional contours of the 4+ and 2+ states in 56Co, and 3- state in 40K using spatial correlation of an isovector particle-hole pair by Hartree-Fock + Tamm-Dancoff approximation with Skyrme interaction; deduced large concentration of the two-body density at positions where the neutron particle and the proton hole states located on the opposite sides to each other with respect to the core nucleus due to repulsive isovector residual interaction, in contrast to attractive pairing interaction between the valence neutrons in 11Li and 6He.
doi: 10.1103/PhysRevC.106.034313
2022LE07 Phys.Lett. B 829, 137057 (2022) B.Le Crom, M.Assie, Y.Blumenfeld, J.Guillot, H.Sagawa, T.Suzuki, M.Honma, N.L.Achouri, B.Bastin, R.Borcea, W.N.Catford, E.Clement, L.Caceres, M.Caamano, A.Corsi, G.De France, F.Delaunay, N.De Sereville, B.Fernandez-Dominguez, M.Fisichella, S.Franchoo, A.Georgiadou, J.Gibelin, A.Gillibert, F.Hammache, O.Kamalou, A.Knapton, V.Lapoux, S.Leblond, A.O.Macchiavelli, F.M.Marques, A.Matta, L.Menager, P.Morfouace, N.A.Orr, J.Pancin, X.Pereira-Lopez, L.Perrot, J.Piot, E.Pollacco, D.Ramos, T.Roger, F.Rotaru, A.M.Sanchez-Benitez, M.Senoville, O.Sorlin, M.Stanoiu, I.Stefan, C.Stodel, D.Suzuki, J.-C.Thomas, M.Vandebrouck Neutron-proton pairing in the N=Z radioactive fp-shell nuclei 56Ni and 52Fe probed by pair transfer NUCLEAR REACTIONS 1H(56Ni, 3He)54Co, E=30.5 MeV/nucleon; 1H(52Fe, 3He)50Mn, E=31.2 MeV/nucleon; measured reaction products; deduced yields, σ(θ), partial level schemes, J, π, isovector and isoscalar components of neutron-proton pairing. Comparison with with second-order distorted-wave Born approximation (DWBA) calculations. GANIL/LISE facility, MUST2 telescopes.
doi: 10.1016/j.physletb.2022.137057
2022NA10 Phys.Rev. C 105, L021304 (2022) T.Naito, G.Colo, H.Liang, X.Roca-Maza, H.Sagawa Toward ab initio charge symmetry breaking in nuclear energy density functionals NUCLEAR STRUCTURE 48Ca, 208Pb; calculated neutron skin thickness, mass difference for mirror nuclei 48Ca-48Ni, dependence of neutron-skin thickness on the charge symmetry breaking strength s0. Comparison to experimental data.
doi: 10.1103/PhysRevC.105.L021304
2022NA38 Phys.Rev. C 106, L061306 (2022) T.Naito, X.Roca-Maza, G.Colo, H.Liang, H.Sagawa Isospin symmetry breaking in the charge radius difference of mirror nuclei NUCLEAR STRUCTURE 48Ca, 48Ni; calculated charge radius difference of mirror nuclei. Discussed the connection of obtained values with the nuclear equation of state and effect of isospin symmetry breaking on such relation. Hartree-Fock calculations with SAMi-J family of energy density functionals.
doi: 10.1103/PhysRevC.106.L061306
2022SA22 Phys.Lett. B 829, 137072 (2022) H.Sagawa, S.Yoshida, T.Naito, T.Uesaka, J.Zenihiro, J.Tanaka, T.Suzuki Isovector density and isospin impurity in 40Ca NUCLEAR STRUCTURE 40Ca; calculated proton and neutron densities with modified occupation probabilities of orbits around the Fermi energy, isospin impurity; deduced isoscalar (IS) and isovector (IV) densities. Comparison with theoretical densities calculated by Skyrme Hatree-Fock (HF) models.
doi: 10.1016/j.physletb.2022.137072
2022TA05 Phys.Rev. C 105, 044324 (2022) Y.Tanimura, H.Sagawa, T.-T.Sun, E.Hiyama Ξ hypernuclei 15ΞC and 12ΞBe and the ΞN two-body interaction NUCLEAR STRUCTURE 15C, 12Be; calculated levels, J, π, energy spectrum of the 15C and 12Be Ξ hypernuclei. Relativistic mean filed model taking into account meson exchange ΞN interactions.
doi: 10.1103/PhysRevC.105.044324
2022XU09 Phys.Lett. B 833, 137333 (2022) J.-Y.Xu, Z.-Z.Li, B.-H.Sun, Y.-F.Niu, X.Roca-Maza, H.Sagawa, I.Tanihata Constraining equation of state of nuclear matter by charge-changing cross section measurements of mirror nuclei NUCLEAR STRUCTURE 30Si, 30S; analyzed available data; calculated the charge changing σ difference for both the Skyrme-Hartree-Fock theory (SHF) and covariant (relativistic) density functionals (CDF).
doi: 10.1016/j.physletb.2022.137333
2022YA20 Phys.Rev. C 106, 014319 (2022) M.J.Yang, C.L.Bai, H.Sagawa, H.Q.Zhang Gamow-Teller transitions in magic nuclei calculated by the charge-exchange subtracted second random-phase approximation NUCLEAR STRUCTURE 48Ca, 90Zr, 132Sn, 208Pb; calculated Gamow-Teller (GT) strength distributions as function of excitation energy and peak height; evaluated quenching factors of the Ikeda sum rule due to couplings to two-particle two-hole (2p-2h) configurations, effects of tensor interactions on the excitation energies and the quenching factors of GT strength distributions. Self-consistent Hartree-Fock (HF) plus charge-exchange subtracted second random-phase approximation (SSRPA) calculations with several different Skyrme energy density functions (EDFs). Comparison with experimental data.
doi: 10.1103/PhysRevC.106.014319
2022ZH10 Prog.Theor.Exp.Phys. 2022, 023D01 (2022) Prediction of exotic hyperon halos in neutron-rich Zr hypernuclei NUCLEAR STRUCTURE 90,91,92Zr, 114,115,116Zr, 136,137,138Zr; calculated neutron single-particle energies and potentials in the hypernuclei, occupation probabilities with the Skyrme HFB model. Comparison with available data.
doi: 10.1093/ptep/ptac004
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 12C, 16O, 20Ne, and 32S nuclei NUCLEAR STRUCTURE 12C, 16O, 20Ne, 32S; analyzed empirical pairing gaps from experimental and theoretical β2 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 12C(12C, 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
2021SA05 Phys.Rev. C 103, 014308 (2021) M.Sasano, H.Sagawa, T.Suzuki, M.Honma Energy-weighted sum rule for Gamow-Teller giant resonances in high-spin isomeric states of N = Z nuclei NUCLEAR STRUCTURE 52mFe, 94mAg; calculated energies of Gamow-Teller (GT) giant resonances and isoscalar M1 transitions in N=Z nuclei, (12+) and (21+) isomeric high-spin state of 52Fe and 94Ag, respectively; extracted energy-weighted sum rules (EWSR). Comparison with large-scale shell-model calculations. Relevance to evaluation of short-range part of the spin residual interaction, to describe the onset of the pion condensation in nuclear matter.
doi: 10.1103/PhysRevC.103.014308
2021SA40 Phys.Rev. C 104, 039801 (2021) Comment on "Breakdown of the tensor component in the Skyrme energy density functional"
doi: 10.1103/PhysRevC.104.039801
2021WU12 Phys.Rev. C 104, 054303 (2021) D.Wu, C.L.Bai, H.Sagawa, S.Nishimura, H.Q.Zhang β-delayed one-neutron emission probabilities within a neural network model RADIOACTIVITY Z=2-57(β-n); calculated β--delayed one-neutron emission probabilities P1n using machine learning (ML) technique and feed-forward neural network (FNN) with root mean squared Prop (RMSProp) method; analyzed correlations between P1n, half-lives, Q-values, neutron shell effects, distance from the first β--delayed neutron emitter, and competitions between β--delayed one- and two- neutron emissions P1n and P2n. 109,110,111,112,113,114,115,116Tc, 116,117,118,119,120,121Ru, 118,119,120,121,122,123,124Rh, 121,122,123,124,125,126,127,128Pd, 124,125,126,127,128,129Ag, 127,128,129,130Cd(β-n); 79Cu, 80Zn, 81Ga, 128Pd, 129Ag, 130Ag(β-n); calculated β--delayed one-neutron emission probabilities P1n using ML-FNN techniques, and compared with experimental and evaluated data in literature, and with theoretical calculations using FRDM12+(Q)RPA+HF and RHB+RQRPA approaches. Relevance to r-process nuclei in nucleosynthesis, and waiting-point nuclei at N=50 and N=82.
doi: 10.1103/PhysRevC.104.054303
2021YA14 Phys.Rev. C 103, 054308 (2021) M.J.Yang, C.L.Bai, H.Sagawa, H.Q.Zhang Effects of the Skyrme tensor force on 0+, 2+, and 3- states in 16O and 40C nuclei within the second random-phase approximation NUCLEAR STRUCTURE 16O, 40Ca; calculated isoscalar and isovector strength distributions and energy moments of the monopole (0+), quadrupole (2+) and octupole (3-) transitions B(E0), B(E2) and B(E3), major 1p-1h and 2p-2h configurations; deduced major impact of tensor force in SGII+Te1 on the coupling between 1p-1h and 2p-2h model spaces. Subtracted second random-phase approximation (SSRPA) method with Skyrme energy density functional. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.054308
2021ZH20 Phys.Rev. C 103, 034321 (2021) Hyperon halo structure of C and B isotopes NUCLEAR STRUCTURE 8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23C, 8,9,10,11,12,13,14,15,16,17,18,19,20,21,22B; calculated binding energies, rms radii, B(E1) of single-Λstate hypernuclei, binding energies of carbon and boron isotopes using Hartree-Fock model with several Skyrme-type nucleon-nucleon and Λ-nucleon interactions. Comparison with available experimental data.
doi: 10.1103/PhysRevC.103.034321
2020HA06 Prog.Theor.Exp.Phys. 2020, 023D01 (2020) K.Hagino, H.Sagawa, S.Kanaya, A.Odahara Resonance width for a particle-core coupling model with a square-well potential
doi: 10.1093/ptep/ptz163
2020RO01 Phys.Rev. C 101, 014320 (2020) Double charge-exchange phonon states NUCLEAR STRUCTURE 48Ca, 78Ni, 90Zr, 132,176Sn, 208Pb; calculated energy differences between the isobaric analog states (IAS) and double isobaric analog states (DIAS), contribution of the Coulomb direct and exchange terms to these energy differences, excitation energies of single and double Gamow-Teller giant resonances (GTR) using double and quartic commutator relations for double charge-exchange (DCX) phonon states in neutron-rich nuclei. Comparison with experimental data.
doi: 10.1103/PhysRevC.101.014320
2020RO23 Phys.Rev. C 102, 064303 (2020) Isobaric analog state energy in deformed nuclei: A toy model NUCLEAR STRUCTURE 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn; calculated energies and isospin mixing probabilities of the isobaric analog states (IAS). 102Pd, 106Cd, 112Sn, 120Te, 124Xe, 130Ba, 136,138Ce, 142Nd, 144Sm, 156,158Dy, 162,164Er, 168Yb, 174,176Hf, 180W, 184Os, 190Pt, 196Hg; calculated deformation parameters, proton rms radii, and neutron skin thicknesses, direct Coulomb, exchange Coulomb and the isospin mixing contributions to the IAS, deformation effect on the IAS energy. Microscopic deformed Hartree-Fock-Bogoliubov (HFB) calculations with the SAMi energy density functional. Comparison with available experimental data. Relevance to planned experiments in the neutron-deficient nuclei proposed in the LUNESTAR project at RCNP, Osaka University.
doi: 10.1103/PhysRevC.102.064303
2020WU09 Phys.Rev. C 102, 054323 (2020) D.Wu, C.L.Bai, H.Sagawa, H.Q.Zhang Calculation of nuclear charge radii with a trained feed-forward neural network NUCLEAR STRUCTURE 40,42,44,46,48,50,52Ca, 108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn, 138,140,142,144,146,148,150,152,154Sm, 182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212Pb; calculated nuclear charge radii, correlation between the symmetry energy and charge radii of Ca isotopes, and confirmed this correlation by Skyrme Hartree-Fock-Bogoliubov calculation. A multilayer feed-forward neural network model (ML-FNN).
doi: 10.1103/PhysRevC.102.054323
2020YO05 Phys.Rev. C 102, 064307 (2020) S.Yoshida, H.Sagawa, J.Zenihiro, T.Uesaka Trajectory in 2D plot of isoscalar and isovector densities of 48Ca and 208Pb, and symmetry energy NUCLEAR STRUCTURE 48Ca, 208Pb; calculated nuclear matter incompressibility, volume, slope, and second derivative terms of symmetry energy, proton and neutron rms radii, neutron skin thickness, proton and neutron densities, 2D plot of experimental isoscalar (IS) and isovector (IV) densities, asymmetric isospin term in the nuclear incompressibility. Skyrme and RMF mean-field models with several modern relativistic and nonrelativistic energy density functionals (EDFs). Comparison with experimental data.
doi: 10.1103/PhysRevC.102.064307
2019CA22 Phys.Rev. C 100, 054324 (2019) L.-G.Cao, S.-S.Zhang, H.Sagawa Quenching factor of Gamow-Teller and spin dipole giant resonances NUCLEAR STRUCTURE 48Ca, 90Zr, 132Sn, 208Pb; calculated Gamow-Teller (GT) and spin-dipole (SD) strength distributions, and sum rules of GT-, SD-, and SD+ resonances using self-consistent Hartree-Fock plus random phase approximation (RPA) method, with Skyrme forces SAMi and SAMi-T with and tensor interactions. Comparison with available experimental data.
doi: 10.1103/PhysRevC.100.054324
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 24Mg, 36Ar, 48Cr, 64Ge, 108Xe, 128Gd; calculated np-, nn-, pp-pairing gaps, β2 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
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 24Mg, 72Kr; calculated ground-state energies, neutron and proton single particle state energies (SPSEs). Deformed BCS approach. NUCLEAR REACTIONS 56Ni(p, n), E not given; calculated B(GT); deducedeffects of the np pairing correlations. Deformed QRPA approach
doi: 10.5506/aphyspolb.50.697
2019SA57 Eur.Phys.J. A 55, 227 (2019) H.Sagawa, G.Colo, X.Roca-Maza, Y.Niu Collective excitations involving spin and isospin degrees of freedom
doi: 10.1140/epja/i2019-12923-y
2018CO07 Phys.Rev. C 97, 044321 (2018) A.Corsi, A.Obertelli, P.Doornenbal, F.Nowacki, H.Sagawa, Y.Tanimura, N.Aoi, H.Baba, P.Bednarczyk, S.Boissinot, M.Ciemala, A.Gillibert, T.Isobe, A.Jungclaus, V.Lapoux, J.Lee, K.Matsui, M.Matsushita, T.Motobayashi, D.Nishimura, S.Ota, E.Pollacco, H.Sakurai, C.Santamaria, Y.Shiga, D.Sohler, D.Steppenbeck, S.Takeuchi, R.Taniuchi, H.Wang Spectroscopy of nuclei around 100Sn populated via two-neutron knockout reactions NUCLEAR REACTIONS 1H, C(104Sn, 2n), E=150 MeV/nucleon; 1H, C(102Cd, 2n), E=144 MeV/nucleon, [secondary 104Sn and 102Cd beams from 9Be(124Xe, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments using BigRIPS separator]; 1H, C(112Sn, 2n), E=170 MeV/nucleon; measured Eγ, Iγ, particles, (particle)γ-coin, two-neutron knockout σ using carbon and CH2 targets, DALI2 array for γ detection and ZeroDegree spectrometer for particles at RIBF-RIKEN facility. 100Cd, 102,110Sn; deduced first and second 2+ levels in 102Sn, first 2+ and 4+ levels in 100Cd, and first three excited states in 110Sn. Comparison with shell-model calculations, and with previous measurements. Systematics of energies of first and second 2+ states in 102Sn to 120Sn isotopes.
doi: 10.1103/PhysRevC.97.044321
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 24Mg, 28Si, 32S; 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 44Ti, 48Cr, 52Fe, 64Ge, 68Se, 72Kr, 76Sr; calculated proton and neutron pairing gaps, Fermi energies of protons and neutrons, energies of single particle states in 44Ti and 64Ge as a function of deformation parameter β2, pairing correlation energies and ground-state energies with and without neutron-proton pairing and three times enhanced T=0 pairing as a function of β2 parameter, neutron occupation probability in 68Se, and strength parameters in 72Kr. 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
2018LI32 Phys.Rev. C 98, 014311 (2018) H.Z.Liang, H.Sagawa, M.Sasano, T.Suzuki, M.Honma Gamow-Teller transitions from high-spin isomers in N = Z nuclei RADIOACTIVITY 52Fe, 94Ag(β-); calculated Gamow-Teller transition strength distributions from 12+ isomeric state and g.s. in 52Fe and 21+ isomeric state and g.s. in 94Ag using sum-rule approach and shell model calculations; deduced stronger Gamow-Teller strengths from the high-spin states as compared to those from the low-spin ground states.
doi: 10.1103/PhysRevC.98.014311
2018LU16 Eur.Phys.J. A 54, 193 (2018) Z.-J.Luo, K.Yu, X.-R.Zhou, J.-W.Cui, H.Sagawa Effects of deformation, pairing and tensor correlation on the evolution of bubble structure within the Skyrme-Hartree-Fock method NUCLEAR STRUCTURE 46Ar; calculated energy surface vs quadrupole deformation, proton density distributions, sp energy levels using axially symmetric DSHF (Deformed Skyrme-Hartree-Fock) approach (several Skyrme forces used). 43Cl; calculated partial-wave decomposition of the proton density.
doi: 10.1140/epja/i2018-12620-5
2018RO08 Phys.Rev.Lett. 120, 202501 (2018) X. Roca-Maza, G. Colo, H. Sagawa Nuclear Symmetry Energy and the Breaking of the Isospin Symmetry: How Do They Reconcile with Each Other? NUCLEAR STRUCTURE 208Pb; analyzed available data; calculated isobaric analog states using state-of-the-art Hartree-Fock plus random phase approximation.
doi: 10.1103/PhysRevLett.120.202501
2018SA18 Phys.Rev. C 97, 054333 (2018) Isoscalar and isovector spin response in sd-shell nuclei NUCLEAR STRUCTURE 20Ne, 24Mg, 28Si, 32S, 36Ar; calculated isoscalar (IS) and isovector (IV) differential B(M1)(E), summed IS and IV B(M1) strengths, and proton-neutron spin-spin correlations by shell model calculations using USDB effective interaction with and without IS spin-triplet pairing matrices and effective IV spin operator. 12C; IS and IV 1+ states, and B(M1) used as reference. A=19, 21, 23, 25, 27, 29, 31, 33, 35, 37; calculated effect of effective spin operators and enhanced IS pairing on β-decay rates between mirror nuclei with T=1/2 and Tz=+1/2 and -1/2, and IS magnetic moments in sd-shell mirror nuclei using shell-model and USDB and USDB** interactions with the bare spin g factor, as well as with USDBqGT and USDB**qGT with Towner's effective Gamow-Teller operator. Comparison with experimental values.
doi: 10.1103/PhysRevC.97.054333
2017HA05 Phys.Rev. C 95, 024304 (2017) New concept for the pairing anti-halo effect as a localized wave packet of quasiparticles
doi: 10.1103/PhysRevC.95.024304
2017HA32 Phys.Rev. C 96, 064312 (2017) Interplay between isoscalar and isovector correlations in neutron-rich nuclei NUCLEAR STRUCTURE 22,24O; calculated isoscalar compression dipole (ISCD) and isovector dipole (IVD) strengths for 1- giant resonance as a function of excitation energy, radial transition densities. Self-consistent Hartree-Fock plus the random-phase approximation (RPA) with the Skyrme interaction, SLy4.
doi: 10.1103/PhysRevC.96.064312
2017UR04 Phys.Rev. C 96, 064311 (2017) Role of deformation in odd-even staggering in reaction cross sections for 30, 31, 32Ne and 36, 37, 38Mg isotopes NUCLEAR REACTIONS 12C(30Ne, X), (31Ne, X), (32Ne, X), (36Mg, X), (37Mg, X), (38Mg, X), E=240 MeV/nucleon; analyzed odd-even staggering in experimental cross sections by including ground-state deformation of these nuclei, and with ground-state density from deformed Woods-Saxon potential, and pairing correlation from Hartree-Fock-Bogoliubov method; discussed role of pairing antihalo effect.
doi: 10.1103/PhysRevC.96.064311
2016HA07 Phys.Rev. C 93, 034330 (2016) Decay dynamics of the unbound 25O and 26O nuclei
doi: 10.1103/PhysRevC.93.034330
2016HA08 Few-Body Systems 57, 185 (2016) Are There Good Probes for the Di-Neutron Correlation in Light Neutron-Rich Nuclei? NUCLEAR STRUCTURE 11Li; calculated two-particle densities. Comparison with available data. RADIOACTIVITY 26O(2n); calculated the decay energy spectrum for two-neutron emission decay, En, In, angular correlation for two emitted neutrons. Comparison with available data.
doi: 10.1007/s00601-015-1027-3
2016HI05 Phys.Scr. 91, 093001 (2016) E.Hiyama, Y.Yamamoto, H.Sagawa The structure of hypernuclei and hyperon mixing in neutron-star matter NUCLEAR STRUCTURE 7,8,9,10Be, 8,9,10,11B, 11,12,13C, 27,28Si, 50,51V, 88,89Y, 138,139La, 207,208Pb, 6H, 6,7He, 20,21,22,23,24,25,26,27,28,29,30Ne, 40,41Ca; analyzed available hypernuclei data; calculated excited state energies and splittings, J, π, hyperon separation and binding energies, deformations, hyperonic neutron-star matter, energy density.
doi: 10.1088/0031-8949/91/9/093001
2016MO08 At.Data Nucl.Data Tables 109-110, 1 (2016) P.Moller, A.J.Sierk, T.Ichikawa, H.Sagawa Nuclear ground-state masses and deformations: FRDM(2012) NUCLEAR STRUCTURE A=16-339; calculated ground-state deformation parameters, β-decay Q-values, T1/2 and delayed neutron emission probabilities, neutron- and proton-separation energies, J, α-decay Q-value and T1/2, atomic masses. Comparison with available data.
doi: 10.1016/j.adt.2015.10.002
2016NI17 Phys.Rev. C 94, 064328 (2016) Y.F.Niu, G.Colo, E.Vigezzi, C.L.Bai, H.Sagawa Quasiparticle random-phase approximation with quasiparticle-vibration coupling: Application to the Gamow-Teller response of the superfluid nucleus 120Sn NUCLEAR STRUCTURE 120Sn; calculated Gamow-Teller strength distributions with and without isoscalar pairing, and their cumulative sums using different configuration spaces, energies and reduced transition probabilities of the lowest phonons of different multipolarities, microscopic structure of the main Gamow-Teller peaks. Self-consistent quasiparticle random-phase approximation (QRPA) plus quasiparticle-vibration coupling (QPVC) model with Skyrme interactions. Comparison with experimental data from (3He, t) and (p, n) reactions.
doi: 10.1103/PhysRevC.94.064328
2016RO25 Phys.Rev. C 94, 044313 (2016) X.Roca-Maza, L.-G.Cao, G.Colo, H.Sagawa Fully self-consistent study of charge-exchange resonances and the impact on the symmetry energy parameters NUCLEAR STRUCTURE 90Zr, 208Pb; calculated energy of the IAS and strength for 90Zr, single-particle proton levels in 208Pb, energy of the IAS as a function of neutron skin in 208Pb, energy difference between the anti-analog giant dipole resonance (AGDR) and the isobaric analog state; deduced correlations between the neutron-skin thickness and either the symmetry energy at saturation density or the corresponding slope parameter. HF+RPA calculations with the exchange term of the two-body Coulomb interaction treated exactly without Slater approximation, and the two-parameters spin-orbit interaction is treated in a consistent way within the energy density functional theory using several SAMi-J interactions. Comparison with available experimental information.
doi: 10.1103/PhysRevC.94.044313
2016SA45 Phys.Rev. C 94, 041303 (2016) Effect of isoscalar spin-triplet pairings on spin-isospin responses in sd-shell nuclei NUCLEAR STRUCTURE 24Mg, 28Si, 32S, 36Ar; calculated isoscalar (IS) and isovector (IV) spin-M1 transition strengths, accumulative sums of the IS- and IV-spin-M1 strengths, proton-neutron spin-spin correlation. Shell-model calculations with USDB interactions in full sd-shell model space for even-even N=Z sd-shell nuclei. Comparison with experimental data.
doi: 10.1103/PhysRevC.94.041303
2016SA55 Phys.Rev. C 94, 064325 (2016) Sum rule study for double Gamow-Teller states NUCLEAR STRUCTURE 6,8He, 14C, 18,20O, 42,44,46,48Ca, 90Zr; analyzed sum rule values for double Gamow-Teller (DGT) transitions by double spin-isospin operator (σt-)2 to the 0+ and 2+ states, and double isobaric analog states (DIAS) through various formulae and shell-model calculations using different interactions.
doi: 10.1103/PhysRevC.94.064325
2016SU27 Phys.Rev. C 94, 064319 (2016) T.T.Sun, E.Hiyama, H.Sagawa, H.-J.Schulze, J.Meng Mean-field approaches for Ξ- hypernuclei and current experimental data NUCLEAR STRUCTURE 15C, 12Be; calculated binding energies of hypernuclei with Ξ- hyperon and the core nuclei of 14N and 11B; reproduced results for observed 2015 Kiso event for 15C at the KEK-E373 experiment. Relativistic-mean-field and Skyrme-Hartree-Fock models.
doi: 10.1103/PhysRevC.94.064319
2016TA12 Phys.Rev. C 93, 064319 (2016) Three-body model for an isoscalar spin-triplet neutron-proton pair in 102Sb NUCLEAR STRUCTURE 102Sb; calculated energies of isospin T=0 and 1 states, 0+ and 1+ in 102Sb, B(GT) (102Sn to 102Sb) strength distribution. 100Sn core+p+n three-body model with a model space based on Skyrme and relativistic mean-field calculations using three nonrelativistic and three relativistic energy density functionals (EDFs).
doi: 10.1103/PhysRevC.93.064319
2016ZH29 Phys.Rev. C 94, 024331 (2016) Exotic structure of medium-heavy hypernuclei in the Skyrme Hartree-Fock model NUCLEAR STRUCTURE 36,37,38,39,40Ar, 40,41Ca; calculated energy surfaces as a function of deformation parameter β2, quadrupole deformation parameters, root mean square radii, binding energies, Λ separation energies for the ground states and superdeformed (SD) states, and two-dimensional density distributions for 37,38,39,40Ar, 41Ca hypernuclei and their core nuclei 36,37,38,39Ar, 40Ca. 37,38,39,40Ar, 41Ca; calculated Λ separation energies and spatial overlap between Λ and nucleons at the ground state and SD minima for hypernuclei. Skyrme Hartree-Fock (SHF)+BCS model with a microscopic ΛN interaction. Comparison with antisymmetrized molecular dynamics (AMD), and relativistic mean field (RMF) calculations.
doi: 10.1103/PhysRevC.94.024331
2016ZH45 Phys.Rev. C 94, 045803 (2016); Erratum Phys.Rev. C 102, 019905 (2020) Z.-Y.Zhu, A.Li, J.-N.Hu, H.Sagawa Δ(1232) effects in density-dependent relativistic Hartree-Fock theory and neutron stars
doi: 10.1103/PhysRevC.94.045803
2015CA20 Phys.Rev. C 92, 034308 (2015) L.-G.Cao, X.Roca-Maza, G.Colo, H.Sagawa Constraints on the neutron skin and symmetry energy from the anti-analog giant dipole resonance in 208Pb NUCLEAR STRUCTURE 208Pb; calculated neutron skin thickness, energies of anti-analog giant dipole resonance (AGDR), isobaric analog state (IAS) and isovector giant dipole resonance (IVGDR). Droplet model, and fully self-consistent Hartree-Fock (HF) plus charge-exchange random phase approximation (RPA) framework. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.034308
2015FU08 Phys.Rev. C 91, 064316 (2015) Y.Fujita, H.Fujita, T.Adachi, G.Susoy, A.Algora, C.L.Bai, G.Colo, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Nakada, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, B.Rubio, H.Sagawa, P.Sarriguren, C.Scholl, Y.Shimbara, E.J.Stephenson, T.Suzuki, A.Tamii, J.H.Thies, K.Yoshida, R.G.T.Zegers, J.Zenihiro High-resolution study of Gamow-Teller excitations in the 42Ca (3He, t) 42Sc reaction and the observation of a "low-energy super-Gamow-Teller state" NUCLEAR REACTIONS 42Ca(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ) using Grand Raiden spectrometer at RCNP facility. 42Sc; deduced levels, J, π, IAS, isospin of excited GT states, L-transfers, B(GT), configurations. Comparison of B(GT) values with those for 44,48Sc, and from 42Ti β+ decay to 42Sc. Isospin assignments made in comparison with results from 42Ca(p, p') reaction. Comparison with shell-model calculations using GXPF1J interaction. 12N, 16F, 40,44Sc; observed peaks from contaminants in the target material, and appropriate corrections applied to triton spectra for 42Sc.
doi: 10.1103/PhysRevC.91.064316
2015IS10 Prog.Theor.Exp.Phys. 2015, 103D02 (2015) M.Isaka, M.Kimura, E.Hiyama, H.Sagawa Superdeformation of Ar hypernuclei NUCLEAR STRUCTURE 37,39,41Ar; calculated separation energies of the ground and superdeformed (SD) states in hypernuclei. Framework of antisymmetrized molecular dynamics (AMD).
doi: 10.1093/ptep/ptv138
2015SA32 Eur.Phys.J. A 51, 102 (2015) Theoretical models for exotic nuclei
doi: 10.1140/epja/i2015-15102-4
2014BA55 Phys.Rev. C 90, 054335 (2014) C.L.Bai, H.Sagawa, G.Colo, Y.Fujita, H.Q.Zhang, X.Z.Zhang, F.R.Xu Low-energy collective Gamow-Teller states and isoscalar pairing interaction NUCLEAR STRUCTURE 42Ca, 46Ti, 50Cr, 54Fe, 58Ni; calculate neutron pairing gaps, Gamow-Teller (GT) strength distributions and sum rule values for IAR states, energy differences between the lowest GT and IAR states in N=Z+2 nuclei. HFB+QRPA calculations with the Skyrme forces SGII, SGII+Te3, and SAMi. Comparison with experimental values.
doi: 10.1103/PhysRevC.90.054335
2014CA07 Phys.Rev. C 89, 044314 (2014) L.-G.Cao, G.Colo, H.Sagawa, P.F.Bortignon Properties of single-particle states in a fully self-consistent particle-vibration coupling approach NUCLEAR STRUCTURE 40Ca, 208Pb; calculated levels, J, π, B(Eλ), energies of neutron single-particle states, spectroscopic factors, effective neutron mass around Fermi surface. Fully self-consistent particle-vibration coupling (PVC) approach within the framework of Skyrme energy density functional theory with SLy5 and T44 parameter sets, and random phase approximation for phonons. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.044314
2014CO07 Eur.Phys.J. A 50, 26 (2014) Symmetry energy from the nuclear collective motion: constraints from dipole, quadrupole, monopole and spin-dipole resonances NUCLEAR STRUCTURE 90Zr; calculated proton, neutron and charge radii using microscopic Skyrme RPA, data on dipole resonances and different interactions. Compared with data.
doi: 10.1140/epja/i2014-14026-9
2014FU02 Phys.Rev.Lett. 112, 112502 (2014) Y.Fujita, H.Fujita, T.Adachi, C.L.Bai, A.Algora, G.P.A.Berg, P.von Brentano, G.Colo, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.Fransen, D.De Frenne, K.Fujita, E.Ganioglu, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, E.Jacobs, A.Krasznahorkay, H.Matsubara, K.Matsuyanagi, R.Meharchand, F.Molina, K.Muto, K.Nakanishi, A.Negret, H.Okamura, H.J.Ong, T.Otsuka, N.Pietralla, G.Perdikakis, L.Popescu, B.Rubio, H.Sagawa, P.Sarriguren, C.Scholl, Y.Shimbara, Y.Shimizu, G.Susoy, T.Suzuki, Y.Tameshige, A.Tamii, J.H.Thies, M.Uchida, T.Wakasa, M.Yosoi, R.G.T.Zegers, K.O.Zell, J.Zenihiro Observation of Low- and High-Energy Gamow-Teller Phonon Excitations in Nuclei NUCLEAR REACTIONS 42Ca, 46Ti, 50Cr, 54Fe(3He, t), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced cumulative-sum strengths of the experimental B(GT) values in the final nuclei, two kinds of GT phonon states. GXPF1J, quasi particle random phase approximation (QRPA) framework based on a self-consistent Hartree-Fock mean field with Skyrme interaction calculations, comparison with available data.
doi: 10.1103/PhysRevLett.112.112502
2014HA02 Phys.Rev. C 89, 014331 (2014) Correlated two-neutron emission in the decay of the unbound nucleus 26O RADIOACTIVITY 26O(2n); calculated decay energy spectrum, angular distribution of two correlated and uncorrelated neutrons, decay probability distribution, two-particle density for the resonance state of 26O. Dineutron correlations. Three-body model with a contact neutron-neutron interaction and Green's function. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.014331
2014HA29 Phys.Rev. C 90, 027303 (2014) Three-body model calculation of the 2+ state in 26O NUCLEAR STRUCTURE 26O; calculated energies of ground state and first 2+ state by three-body 24O+n+n model approach, taking into account continuum effects, and dineutron correlation of the valence neutrons. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.027303
2014HA30 Phys.Rev. C 90, 031302 (2014) Self-consistent Hartree-Fock and RPA Green's function method indicate no pygmy resonance in the monopole response of neutron-rich Ni isotopes NUCLEAR STRUCTURE 68Ni; calculated monopole strength function (ISGMR) as a function of excitation energy, and the unperturbed particle-hole excitation strength using SLy4 interaction in the Hartree-Fock (HF) and the RPA Green's function methods.
doi: 10.1103/PhysRevC.90.031302
2014IS02 Phys.Rev. C 89, 024310 (2014) M.Isaka, K.Fukukawa, M.Kimura, E.Hiyama, H.Sagawa, Y.Yamamoto Superdeformed Λ hypernuclei with antisymmetrized molecular dynamics NUCLEAR STRUCTURE 41Ca, 46,48Sc; calculated levels, J, π, deformation parameters, B(E2), Λ-N interaction strength, Λ-separation, rms radii, intrinsic density distributions, normal and superdeformed bands, electric quadrupole moments for hypernuclei. 40Ca, 45,47Sc; calculated levels, J, π, normal and superdeformed bands, intrinsic density distributions. Deformed basis antisymmetrized molecular dynamics (AMD) model with the generator coordinate method (GCM). Comparison with experimental data.
doi: 10.1103/PhysRevC.89.024310
2014LU06 Phys.Rev. C 89, 044307 (2014) B.-N.Lu, E.Hiyama, H.Sagawa, S.-G.Zhou Superdeformed Λ hypernuclei within relativistic mean field models NUCLEAR STRUCTURE 33S, 37,39,41Ar, 41Ca, 57Ni, 61Zn; calculated energies as function of deformation parameter, β2, βp, βn, βΛ, Ioverlap, binding energy, rms radii, Λ separation energies, density distribution contours in (r, z) plane, Nilsson wave function for ground state and superdeformed states of hypernuclei. 36,38,40,41Ar, 40Ca; calculated energies as function of deformation parameter, β2, βp, βn deformation parameters, rms radii, binding energies, density distribution contours in (r, z) plane. Multidimensionally constrained relativistic mean field (MDC-RMF) models for superdeformed states of nuclei and hypernuclei. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.044307
2014MA11 Eur.Phys.J. A 50, 18 (2014) J.Margueron, E.Khan, G.Colo, K.Hagino, H.Sagawa Effect of pairing on the symmetry energy and the incompressibility NUCLEAR STRUCTURE 120Sn; calculated mass excess, pairing correlations, incompressibility, symmetry energy using HFB modeling with different pairing interactions.
doi: 10.1140/epja/i2014-14018-9
2014OI02 Phys.Rev. C 90, 034303 (2014) Role of diproton correlation in two-proton-emission decay of the 6Be nucleus RADIOACTIVITY 6Be(2p); calculated decay width and probabilities, contributions from the spin-singlet and the spin-triplet configurations to the total decay width, trajectories of different 2p-emission modes, 2p-density distribution and time evolution of the decay state with and without pairing; deduced dominance of diproton emission process in the early stage; discussed role of pairing correlations in decay width. Time-dependent method using three-body model consisting of an α particle and two valence protons. NUCLEAR STRUCTURE 6Be, 6He; calculated properties of the initial state of 6Be and the bound ground state of 6He for all configurations, proton and neutron densities using confining potential method.
doi: 10.1103/PhysRevC.90.034303
2014TA12 Prog.Theor.Exp.Phys. 2014, 053D02 (2014) Y.Tanimura, H.Sagawa, K.Hagino Three-body model calculations for N = Z odd-odd nuclei with T = 0 and T = 1 pairing correlations NUCLEAR STRUCTURE 14N, 18F, 30P, 34Cl, 42Sc, 58Cu; calculated energy levels, J, π, nuclear magnetic moments, B(M1), Gamow-Teller transition probabilities. Comparison with available data.
doi: 10.1093/ptep/ptu056
2014WE02 Phys.Rev. C 89, 044311 (2014) P.Wen, L.-G.Cao, J.Margueron, H.Sagawa Spin-isospin response in finite nuclei from an extended Skyrme interaction NUCLEAR STRUCTURE 48Ca, 90Zr, 208Pb; calculated centroid energies of low and high energy peaks of Gamow-Teller (GT) response functions, RPA response function and energies of GT and magnetic dipole excitations with and without spin-density dependent terms. Fully self-consistent Hartree-Fock (HF) plus random phase approximation (RPA) with Skyrme interaction with spin and spin-isospin densities. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.044311
2013KH08 Phys.Rev. C 87, 064311 (2013) E.Khan, N.Paar, D.Vretenar, L.-G.Cao, H.Sagawa, G.Colo Incompressibility of finite fermionic systems: Stable and exotic atomic nuclei NUCLEAR STRUCTURE Z=50, A=94-168; Z=82, A=170-262; calculated nuclear incompressibility using microscopic Skyrme-CHFB method, the Skyrme-QRPA, and the relativistic QRPA. 110,114,118,122,126,130,134,138,142,146Sn, 200,204,208,212,216,220,224,228,232,236Pb; calculated isoscalar monopole response, nuclear compressibility using the relativistic QRPA with the DD-ME2 functional and the QRPA with the functional SLy5.
doi: 10.1103/PhysRevC.87.064311
2013LI05 Phys.Rev. C 87, 014333 (2013) A.Li, E.Hiyama, X.-R.Zhou, H.Sagawa Tensor correlation, pairing interaction, and deformation in Ne isotopes and Ne hypernuclei NUCLEAR STRUCTURE 20,21,22,23,24,25,26,27,28,29,30Ne; calculated β2 as function of neutron number for normal, and double-Λ hypernuclei. 26,30Ne; calculated energy surfaces as function of β2. Tensor and pairing effects on the quadruple deformation. Skyrme-Hartree-Fock model with BCS approximation, and two different hyperon-nucleon interactions for double-Λ hypernuclei. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.014333
2013RO15 Phys.Scr. T154, 014011 (2013) New Skyrme energy density functional for a better description of the Gamow-Teller resonance NUCLEAR STRUCTURE 40,48Ca, 90Zr, 132Sn, 208Pb; analyzed and fitted available data for binding energies, charge radii and the spin-orbit splittings; deduced Gamow-Teller resonance. Skyrme energy density functional (SAMi).
doi: 10.1088/0031-8949/2013/T154/014011
2013SA04 Phys.Rev. C 87, 034310 (2013) H.Sagawa, Y.Tanimura, K.Hagino Competition between T=1 and T=0 pairing in pf -shell nuclei with N=Z NUCLEAR STRUCTURE 56Ni; calculated single particle energies, magnetic moments. 48Cr, 56Ni, 64Ge; calculated overlap integrals of proton and neutron orbitals. 58Cu; discussed g factor of ground state. Shell-model calculations for N=Z nuclei with isospin T=1 and T=0 pairing interactions, and Skyrme-Hartree-Fock wave functions.
doi: 10.1103/PhysRevC.87.034310
2013SA61 Phys.Rev. C 88, 064304 (2013) H.Y.Sang, X.S.Wang, H.F.Lu, J.M.Yao, H.Sagawa Magnetic moments of Λ hypernuclei within the time-odd triaxial relativistic mean-field approach NUCLEAR MOMENTS 16,17,18O, 28Si, 28Al, 32S, 40,41Ca, 51V, 57Ni, 89Y, 133Sn, 139La, 208,209Pb; calculated hypernucler magnetic moments using self-consistent time-odd triaxial RMF approach, including strangeness, spacelike component, tensor coupling with the parameter sets PK1-Y1 and PK1-Y0. 17O; calculated single particle spectrum of hypernucleus.
doi: 10.1103/PhysRevC.88.064304
2013SE21 Prog.Theor.Exp.Phys. 2013, 103D03 (2013) Tensor correlation effects on Gamow-Teller resonances in 120Sn and N = 80, 82 isotones NUCLEAR STRUCTURE 128,130Cd, 120,130,132Sn, 132,134Te; calculated Gamow-Teller strength functions, resonances. QRPA calculations with a separable-type tensor interaction in the finite rank separable approximation.
doi: 10.1093/ptep/ptt085
2013WA23 Eur.Phys.J. A 49, 101 (2013) X.S.Wang, H.Y.Sang, H.F.Lu, J.M.Yao, H.Sagawa Systematic study of hypernuclear magnetic moments under a perturb treatment NUCLEAR STRUCTURE 13C, 16,17O, 28Al, 28,29Si, 32S, 40,41Ca, 51V, 89Y, 139La, 208,209Pb; calculated Λ hypernuclei magnetic moments using ωΛΛ tensor-coupling interaction; deduced μ contribution of the valence nucleon and of core.
doi: 10.1140/epja/i2013-13101-1
2012BE02 Phys.Rev. C 85, 014321 (2012) C.A.Bertulani, H.Liu, H.Sagawa Global investigation of odd-even mass differences and radii with isospin-dependent pairing interactions NUCLEAR STRUCTURE Z=8-102, N=8-156; calculated binding energies, S(n), S(p), neutron and proton odd-even staggering (OES), neutron and proton radii, neutron skin. Hartree-Fock HF+BCS model with SLy4 interactions, and isospin-dependent pairing (IS+IV) and Isoscalar (IS) pairing interactions using EV8odd computer code. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.014321
2012CA33 Prog.Theor.Phys.(Kyoto), Suppl. 196, 322 (2012) Effect of Tensor Force on the Multipole Resonances of Finite Nuclei NUCLEAR STRUCTURE 208Pb; analyzed available data; deduced the necessity to include the tensor component of the Skyrme force in mean field theory.
doi: 10.1143/PTPS.196.322
2012CA38 Phys.Rev. C 86, 054313 (2012) Microscopic study of the isoscalar giant monopole resonance in Cd, Sn, and Pb isotopes NUCLEAR STRUCTURE 106,110,112,114,116Cd, 112,114,116,118,120,122,124Sn, 204,206,208Pb; calculated isoscalar giant monopole resonance (ISGMR) strength distributions, centroids, scaling, constrained and peak energies using the self-consistent Skyrme Hartree-Fock+BCS and quasiparticle random phase approximation (QRPA). Comparison with experimental data.
doi: 10.1103/PhysRevC.86.054313
2012CH40 Phys.Rev. C 86, 041307 (2012) R.J.Charity, L.G.Sobotka, K.Hagino, D.Bazin, M.A.Famiano, A.Gade, S.Hudan, S.A.Komarov, Jenny Lee, S.P.Lobastov, S.M.Lukyanov, W.G.Lynch, C.Metelko, M.Mocko, A.M.Rogers, H.Sagawa, A.Sanetullaev, M.B.Tsang, M.S.Wallace, M.J.van Goethem, A.H.Wuosmaa Double isobaric analog of 11Li in 11B NUCLEAR REACTIONS 1H(12Be, 11B), E=50 MeV/nucleon; analyzed decay products, excitation energy via 2p+9Li events, mass excess. 11B; deduced level, J, π, width, double isobaric analog state of the two-neutron-halo system 11Lig.s.. Discussed T=5/2 isospin sextet using the isobaric multiplet mass equation.
doi: 10.1103/PhysRevC.86.041307
2012HA03 Phys.Rev. C 85, 014303 (2012) Pairing correlations and odd-even staggering in reaction cross sections of weakly bound nuclei NUCLEAR STRUCTURE 74,75,76Cr; calculated mean square radii, the pairing gap. Woods-Saxon potential, Hartree-Fock-Bogoliubov method. NUCLEAR REACTIONS 12C(22O, X), (23O, X), (24O, X), (30Ne, X), (31Ne, X), (32Ne, X), (74Cr, X), (75Cr, X), (76Cr, X), E=240 MeV/nucleon; calculated cross sections, odd-even staggering (OES) parameter. Glauber theory with pairing correlation by the Hartree-Fock-Bogoliubov (HFB) method. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.014303
2012HA11 Phys.Rev. C 85, 037604 (2012) Odd-even staggering of reaction cross sections for 22, 23, 24O isotopes NUCLEAR REACTIONS 12C(22O, X), (23O, X), (24O, X), E=240, 1000 MeV/nucleon; calculated odd-even staggering (OES) parameter as a function of incident energy. Optical limit approximation of the Glauber theory. Density distribution from Hartree-Fock-Bogoliubov method by using a Woods-Saxon mean-field potential. Comparison with theoretical systematics and experimental data. Absence of halo structure in 23O.
doi: 10.1103/PhysRevC.85.037604
2012LO02 Phys.Rev. C 85, 025806 (2012) W.H.Long, B.Y.Sun, K.Hagino, H.Sagawa Hyperon effects in covariant density functional theory and recent astrophysical observations
doi: 10.1103/PhysRevC.85.025806
2012MA43 Prog.Theor.Phys.(Kyoto), Suppl. 196, 172 (2012) J.Margueron, M.Grasso, S.Goriely, G.Colo, H.Sagawa Extended Skyrme Interaction in the Spin Channel NUCLEAR STRUCTURE 41,42,49,50Ca; calculated total energy, mean field, spin-orbit, Coulomb and kinetic contributions to the total energy. Skyrme interactions.
doi: 10.1143/PTPS.196.172
2012MI16 Phys.Rev.Lett. 108, 262503 (2012) K.Miki, H.Sakai, T.Uesaka, H.Baba, C.L.Bai, G.P.A.Berg, N.Fukuda, D.Kameda, T.Kawabata, S.Kawase, T.Kubo, S.Michimasa, H.Miya, S.Noji, T.Ohnishi, S.Ota, A.Saito, Y.Sasamoto, H.Sagawa, M.Sasano, S.Shimoura, H.Takeda, H.Tokieda, K.Yako, Y.Yanagisawa, R.G.T.Zegers Identification of the β+ Isovector Spin Monopole Resonance via the 208Pb and 90Zr(t, 3He) Reactions at 300 MeV/u NUCLEAR REACTIONS 208Pb, 90Zr(t, 3He), E=300 MeV/nucleon. 208Tl, 90Y; measured reaction products; deduced σ(E, θ), isovector spin monopole resonance. Distorted-wave Born approximation calculation, comparison with available data.
doi: 10.1103/PhysRevLett.108.262503
2012MO01 Phys.Rev.Lett. 108, 052501 (2012) P.Moller, W.D.Myers, H.Sagawa, S.Yoshida New Finite-Range Droplet Mass Model and Equation-of-State Parameters NUCLEAR STRUCTURE Z=1-120, A=1-160; calculated masses, symmetry parameters, using finite-range droplet model (FRDM); deduced more accurate FRDM-2011 parameters and constants. Comparison with atomic mass evaluation 2003.
doi: 10.1103/PhysRevLett.108.052501
2012MO02 At.Data Nucl.Data Tables 98, 149 (2012) P.Moller, A.J.Sierk, R.Bengtsson, H.Sagawa, T.Ichikawa Nuclear shape isomers NUCLEAR STRUCTURE A=31-120; calculated potential-energy surfaces, deformations and all energy minima, shape isomers near 208Pb.
doi: 10.1016/j.adt.2010.09.002
2012RO26 Phys.Rev. C 86, 031306 (2012) New Skyrme interaction with improved spin-isospin properties NUCLEAR STRUCTURE 16O, 40,48Ca, 56,68Ni, 90Zr, 100,132Sn, 208Pb; calculated binding energies, charge radii, proton spin-orbit splittings using the Skyrme-Aizu-Milano (SAMi) functional. 48Ca, 90Zr, 208Pb; calculated Gamow-Teller (GT) strength distributions and spin dipole resonance (SDR) strength functions using several Skyrme interactions. New Skyrme energy density functional proposed. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.031306
2012SA45 Prog.Theor.Phys.(Kyoto), Suppl. 196, 244 (2012) Pairing Correlations and Anti-Halo Effect in Weakly Bound Nuclei NUCLEAR STRUCTURE 74,75,76Cr; calculated rms radii. HF and HFB calculations. NUCLEAR REACTIONS 12C(22O, n), (23O, n), (24O, n), (74Cr, n), (75Cr, n), (76Cr, n), E=240 MeV/nucleon; 12C(30Ne, n), (31Ne, n), (32Ne, n), E=240 MeV/nucleon; calculated staggering parameter γ3 of reaction σ. Comparison with available data.
doi: 10.1143/PTPS.196.244
2012TA19 Phys.Rev. C 86, 044331 (2012) Y.Tanimura, K.Hagino, H.Sagawa Impurity effect of the Λ particle on the structure of 18F and Λ19F NUCLEAR STRUCTURE 18,19F; calculated levels, J, π, core-pn and p-n rms distances, B(E2), two-particle density distributions, configurations for 19F hypernucleus and 18F using a three-body shell model calculations with density-dependent contact interaction.
doi: 10.1103/PhysRevC.86.044331
2012UR06 Phys.Rev. C 86, 044613 (2012) Reaction cross sections of the deformed halo nucleus 31Ne NUCLEAR REACTIONS C(30Ne, 29Ne), (31Ne, 30Ne), E=240 MeV/nucleon; calculated reactions cross section, and one neutron removal cross section as function of deformation. Particle-rotor model (PRM). Glauber theory. Comparison with experimental data. NUCLEAR STRUCTURE 30,31Ne; calculated rms radii as function of S(n), matter density distribution. Particle-rotor model and Nilsson model.
doi: 10.1103/PhysRevC.86.044613
2012YA12 Phys.Rev. C 86, 034333 (2012) M.Yamagami, J.Margueron, H.Sagawa, K.Hagino Isoscalar and isovector density dependence of the pairing functional determined from global fitting NUCLEAR STRUCTURE N>8, Z>8; calculated pair-density functional (pair-DF) with isoscalar and isovector density dependences using experimental neutron and proton pairing gaps for even-even nuclides of N, Z>8.
doi: 10.1103/PhysRevC.86.034333
2011BA18 Phys.Rev. C 83, 054316 (2011) C.L.Bai, H.Q.Zhang, H.Sagawa, X.Z.Zhang, G.Colo, F.R.Xu Spin-isospin excitations as quantitative constraints for the tensor force NUCLEAR STRUCTURE 90Zr, 208Pb; calculated Gamow-Teller (GT) and charge-exchange spin-dipole (SD) excitation energies, centroid energies. HF+RPA model with Skyrme interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.054316
2011BA38 Phys.Rev. C 84, 044329 (2011) C.L.Bai, H.Sagawa, G.Colo, H.Q.Zhang, X.Z.Zhang Spin-dipole excitations in 16O and tensor correlations NUCLEAR STRUCTURE 16F, 208Bi; calculated charge-exchange spin-dipole (SD) strength distributions and energies using different interactions. Hartree-Fock (HF) plus self-consistent random-phase approximation (RPA) using Skyrme-type interactions. 16O; investigated effect of tensor force on the charge-exchange SD transition. Role of triplet-even and triplet-odd tensor interactions.
doi: 10.1103/PhysRevC.84.044329
2011CA07 Phys.Rev. C 83, 034324 (2011) Effects of tensor correlations on low-lying collective states in finite nuclei NUCLEAR STRUCTURE 208Pb; calculated levels, J, π, B(M1), B(E2), B(E3), p-h matrix elements. 40Ca; calculated levels, J, π, B(E3), p-h matrix elements. Fully self-consistent random phase approximation with Skyrme interactions including tensor correlations.
doi: 10.1103/PhysRevC.83.034324
2011HA01 J.Phys.(London) G38, 015105 (2011) K.Hagino, A.Vitturi, F.Perez-Bernal, H.Sagawa Two-neutron halo nuclei in one dimension: dineutron correlation and breakup reaction
doi: 10.1088/0954-3899/38/1/015105
2011HA33 Phys.Rev. C 84, 011303 (2011) Evidence for a pairing anti-halo effect in the odd-even staggering in reaction cross sections of weakly bound nuclei NUCLEAR REACTIONS 12C(30Ne, X), (31Ne, X), (32Ne, X), E=240 MeV/nucleon; 12C(14C, X), (15C, X), (16C, X), E=83 MeV/nucleon; calculated reaction cross sections. Glauber theory with HF, HFB, and three-body model densities. Pairing anti-halo effect in odd-even staggering of reaction cross sections. Comparison with experimental data. NUCLEAR STRUCTURE 22,23,24O, 30,31,32Ne; calculated root-mean-square radii, and average pairing gap as functions of the single-particle energy in a Woods-Saxon mean-field potential. Hartree-Fock and Hartree-Fock-Bogoliubov calculations.
doi: 10.1103/PhysRevC.84.011303
2011OI01 Phys.Rev. C 84, 057301 (2011) Effect of proton-proton Coulomb repulsion on soft dipole excitations of light proton-rich nuclei NUCLEAR STRUCTURE 17Ne; calculated E1 strength distributions. Three-body (15O+p+p) model calculations for soft dipole excitations of the proton-rich Borromean nucleus.
doi: 10.1103/PhysRevC.84.057301
2011UR01 Phys.Rev. C 83, 041303 (2011) Ground state properties and Coulomb dissociation of the deformed halo nucleus 31Ne NUCLEAR STRUCTURE 31Ne; analyzed Coulomb dissociation cross sections as a function of quadrupole deformation using Nilsson model and particle rotor model; deduced ground state spin, parity, deformation, and halo structure.
doi: 10.1103/PhysRevC.83.041303
2010BA22 Phys.Rev.Lett. 105, 072501 (2010) C.L.Bai, H.Q.Zhang, H.Sagawa, X.Z.Zhang, G.Colo, F.R.Xu Effect of the Tensor Force on the Charge Exchange Spin-Dipole Excitations of 208Pb NUCLEAR STRUCTURE 208Pb; calculated charge exchange spin-dipole excitations; deduced tensor correlations, tensor strength parameters, strength distributions. Self-consistent Skyrme hartree-Fock formalism.
doi: 10.1103/PhysRevLett.105.072501
2010BA34 Chin.Phys.Lett. 27, 102101 (2010) C.-L.Bai, H.-Q.Zhang, X.-Z.Zhang, F.-R.Xu, H.Sagawa, G.Colo Effect of the Tensor Force on Charge-Exchange Spin-Dependent Multipole Excitations NUCLEAR STRUCTURE 90Zr; calculated charge-exchange spin-dipole and spin-quadrupole strength functions; deduced RPA tensor correlation shift.
doi: 10.1088/0256-307X/27/10/102101
Back to query form [Next] |