NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = T.Naito Found 24 matches. 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
2023MI06 Phys.Rev. C 107, 054314 (2023) Nuclear many-body effects on particle emission following muon capture on 28Si and 40Ca NUCLEAR REACTIONS 28Si, 40Ca(μ-, X), (μ-, pX), (μ-, d), (μ-, tX), (μ-, αX), (μ-, nX), E*<100 MeV ; calculated muon capture rate, particle yields after the muon capture, multiplicities of the emitted particles. Tamm-Dancoff approximation combined with the two-component exciton model, describing particle emission from the pre-equilibrium state. Hauser-Feshbach statistical model used for particle evaporation from the compound state. Comparison to available experimental data.
doi: 10.1103/PhysRevC.107.054314
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
2023SO05 Phys.Rev. C 107, 035802 (2023) Empirical neutron star mass formula based on experimental observables NUCLEAR STRUCTURE 132Sn, 208Pb; analyzed available experimental information on neutron-skin thickness and dipole polarizability; deduced equation of state parameters; calculated mass of neutron star, correlation between observables (neutron-skin thickness and dipole polarizability) and neutron stars parameters (mass, radius, gravitational redshift).
doi: 10.1103/PhysRevC.107.035802
2023XI10 Phys.Lett. B 846, 138232 (2023) H.H.Xie, T.Naito, J.Li, H.Liang Revisiting the extraction of charge radii of 40Ca and 208Pb with muonic atom spectroscopy NUCLEAR STRUCTURE 40Ca, 208Pb; calculated charge densities, together with the corresponding muonic transition energies using the covariant density functional theory as a benchmark; deduced nuclear charge radii from muonic atom spectroscopy.
doi: 10.1016/j.physletb.2023.138232
2023YA26 Phys.Rev. C 108, 034315 (2023) Z.-X.Yang, X.-H.Fan, T.Naito, Z.-M.Niu, Z.-Pa.Li, H.Liang Calibration of nuclear charge density distribution by back-propagation neural networks
doi: 10.1103/PhysRevC.108.034315
2022IT01 Phys.Rev. C 105, 024304 (2022) Persistence of cluster structure in the ground state of 11B NUCLEAR STRUCTURE 11B; calculated levels, J, π , rms radii, contribution of α+α+t cluster configuration to the ground and exited states. Antisymmetrized quasicluster model. Comparison to experimental data.
doi: 10.1103/PhysRevC.105.024304
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
2022NA32 Prog.Theor.Exp.Phys. 2022, 093D04 (2022) Relativistic correction of the Coulomb interaction in the local density approximation for energies and radii in doubly-magic nuclei NUCLEAR STRUCTURE 4He, 16O, 40,48Ca, 48Ni, 100,132Sn, 208Pb, 310120; analyzed available data; deduced effects of the relativistic correction of the Coulomb interaction on doubly-magic nuclei with Skyrme Hartree-Fock calculations.
doi: 10.1093/ptep/ptac122
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
2022SO04 Prog.Theor.Exp.Phys. 2022, 041D01 (2022) H.Sotani, N.Nishimura, T.Naito New constraints on the neutron-star mass and radius relation from terrestrial nuclear experiments NUCLEAR STRUCTURE 208Pb, 90Zr; analyzed available data; deduced constraints for the neutron star mass and radius relation.
doi: 10.1093/ptep/ptac055
2021AC04 Phys.Rev. C 103, 044304 (2021) G.Accorto, T.Naito, H.Liang, T.Niksic, D.Vretenar Nuclear energy density functionals from empirical ground-state densities NUCLEAR STRUCTURE 16O, 40Ca, 56Ni, 100Sn; calculated sum of neutron vector and scalar potentials for 16O (N=Z=8 system) as a function of the radial coordinate, vector densities of four symmetric systems: 16O (N=Z=8), 40Ca (N=Z=20), 56Ni (N=Z=28) and 100Sn (N=Z=50) using density functional perturbation theory and the inverse Kohn-Sham method, with the improved relativistic energy density functional (EDF) DD-PC1 determined by empirical exact ground-state densities of finite systems.
doi: 10.1103/PhysRevC.103.044304
2021IT02 Phys.Rev. C 103, 044303 (2021) Consistent description for cluster dynamics and single-particle correlation NUCLEAR STRUCTURE 12C; calculated energies curves of 0+ states, energy convergence for the lowest 0+ state, and level spacing of 0+ and 2+ states using 18 AQCM basis states, 50 proton and 50 neutron two-particle-two-hole states, and energy convergence of the 0+ state using 120 neutron and proton two-particle two-hole basis states coupled to the 18 AQCM basis states. Antisymmetrized quasicluster model (AQCM) with single-particle correlation and α cluster, based on a general framework of generator coordinate method (GCM).
doi: 10.1103/PhysRevC.103.044303
2021NA16 Phys.Rev. C 104, 024316 (2021) T.Naito, G.Colo, H.Liang, X.Roca-Maza Second and fourth moments of the charge density and neutron-skin thickness of atomic nuclei NUCLEAR STRUCTURE 36,38,40,42,44,46,48,50,52,54Ca, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140Sn; calculated second r2 and fourth r4 moments of the proton, neutron, and charge density distributions as function of mass number, correlation of proton second and fourth moments for 44,46Ca, 110,112Sn. Skyrme Hartree-Fock-Bogoliubov calculation with the assumption of axial symmetry using the code HFBTHO and SLy4 energy density functional. Comparison with experimental data. Relevance to extraction of neutron radius using the experimentally measured second and fourth moments of the charge distribution.
doi: 10.1103/PhysRevC.104.024316
2021WA30 Chin.Phys.C 45, 064103 (2021) Z.Wang, T.Naito, H.Liang, W.H.Long Exploring effects of tensor force and its strength via neutron drops
doi: 10.1088/1674-1137/abf036
2021WA32 Phys.Rev. C 103, 064326 (2021) Tensor-force effects on shell-structure evolution in N=82 isotones and Z=50 isotopes in the relativistic Hartree-Fock theory NUCLEAR STRUCTURE 132Sn, 134Te, 136Xe, 138Ba, 140Ce, 142Nd, 144Sm, 146Gd, 148Dy, 150Er, 152Yb, 154Hf; 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132Sn; calculated energy differences of ν1i13/2 and ν1h9/2 orbitals with respect to 140Ce for N=82 nuclei, and for π1h11/2 and π1g7/2 orbitals with respect to 108Sn for Z=50 nuclei using relativistic Hartree-Fock (RHF) theory with PKA1, PKO1, PKO2 and PKO3 effective interactions, with and without tensor-force contributions, the former with covariant density functional theory (CDFT), and compared with experimental data. 16,24O, 36S, 40,48,52,54Ca, 56,68,72Ni, 86Kr, 90Zr, 94Ru, 100,116,124,132Sn, 136Xe, 140Ce, 146Gd, 182,194,200,204,208,214Pb, 210Po, 214Ra, 218U; calculated binding energies and charge radii using the 'New' interaction and compared with results using PKO1 interaction, and with experimental data.
doi: 10.1103/PhysRevC.103.064326
2020CI07 Phys.Rev. C 102, 034306 (2020) M.Ciccarelli, F.Minato, T.Naito Theoretical study of Nb isotope productions by muon capture reaction on 100Mo NUCLEAR REACTIONS 100Mo(μ-, ν)100Nb, (μ-, n)99Nb, (μ-, 2n)98Nb, (μ-, 3n)97Nb, (μ-, 4n)96Nb, (μ-, 5n)95Nb, E not given; calculated production rates of Nb isotopes, and compared with experimental data at incident momentum=28 MeV/c for muons; calculated production rates and mean excitation energy of different Jπ states of Nb isotopes, neutron spectrum for 100Mo(μ-, xn) reaction. 92,94,96,98Mo(μ-, ν), (μ-, n), (μ-, 2n), (μ-, 3n), (μ-, 4n), (μ-, 5n), (μ-, X)87Nb/88Nb/89Nb/90Nb/91Nb/92Nb/93Nb/94Nb/95Nb/96Nb/97Nb/98Nb, E not given; calculated production rates of Nb isotopes from neutron emission and also charged-particle emissions; estimated muon intensity to produce enough 99Mo for medical diagnostics applications. Proton-neutron quasiparticle random phase approximation (pn-QRPA) on the basis of Skyrme-Hartree-Fock+BCS model (SHFBCS) for muon capture, and Hauser-Feshbach statistical model for particle evaporation process from the daughter nucleus.
doi: 10.1103/PhysRevC.102.034306
2020NA19 Phys.Rev. C 101, 064311 (2020) T.Naito, X.Roca-Maza, G.Colo, H.Liang Effects of finite nucleon size, vacuum polarization, and electromagnetic spin-orbit interaction on nuclear binding energies and radii in spherical nuclei NUCLEAR STRUCTURE 4He, 14,16,24O, 40,48Ca, 48Ni, 100,124,132,162Sn, 208Pb, 310126; calculated total energies, Coulomb energies, and charge radii, ratios of the Coulomb direct and exchange energies, mirror nuclei mass difference between 48Ca and 48Ni using self-consistent Skyrme Hartree-Fock method with generalized gradient approximation (GGA), and including electromagnetic effects of nucleon finite size, vacuum polarization, and electromagnetic spin-orbit interaction. Comparison with other theoretical predictions.
doi: 10.1103/PhysRevC.101.064311
2020WA17 Phys.Rev. C 101, 064306 (2020) Z.Wang, T.Naito, H.Liang, W.H.Long Self-consistent random-phase approximation based on the relativistic Hartree-Fock theory: Role of ρ-tensor coupling NUCLEAR STRUCTURE 48Ca, 90Zr, 208Pb; calculated energies and transition probabilities of isobaric analog states (IAS) and Gamow-Teller resonances, neutron and proton single-particle spectra. Random-phase approximation (RPA) based on the relativistic Hartree-Fock theory, extended with self-consistent ρ-meson tensor coupling. Comparison with experimental data for excitation energies and transition strength distributions.
doi: 10.1103/PhysRevC.101.064306
2019NA03 Phys.Rev. C 99, 024309 (2019) T.Naito, X.Roca-Maza, G.Colo, H.Liang Coulomb exchange functional with generalized gradient approximation for self-consistent Skyrme Hartree-Fock calculations NUCLEAR STRUCTURE 4He, 14,16,24O, 40,48Ca, 100,124,132,162Sn, 208Pb, 310126; calculated Coulomb exchange energies with the LDA and PBE-GGA Coulomb exchange functionals and compared with the exact-Fock energies, radial Coulomb exchange potential, proton and neutron density distributions, and proton single-particle energies in 208Pb using self-consistent Skyrme Hartree-Fock calculations with Coulomb exchange functional and generalized gradient approximation (GGA). Comparison with values calculated by local density approximation.
doi: 10.1103/PhysRevC.99.024309
2018NA10 Phys.Rev. C 97, 044319 (2018) Application of a Coulomb energy density functional for atomic nuclei: Case studies of local density approximation and generalized gradient approximation NUCLEAR STRUCTURE 4He, 12C, 16O, 40,48Ca, 58Ni, 116,124Sn, 206,208Pb; calculated direct, exchange, and correlation Coulomb energies, exchange energy densities weighted with charge-density distributions as a function of radius by the local density approximation (LDA), and by the generalized gradient approximation (GGA) using B88, PW91, PBE, and PBEsol energy density functionals; deduced deviation between LDA and generalized gradient approximation (GGA) exchange energies.
doi: 10.1103/PhysRevC.97.044319
2013ON02 Phys.Lett. B 725, 277 (2013) H.J.Ong, I.Tanihata, A.Tamii, T.Myo, K.Ogata, M.Fukuda, K.Hirota, K.Ikeda, D.Ishikawa, T.Kawabata, H.Matsubara, K.Matsuta, M.Mihara, T.Naito, D.Nishimura, Y.Ogawa, H.Okamura, A.Ozawa, D.Y.Pang, H.Sakaguchi, K.Sekiguchi, T.Suzuki, M.Taniguchi, M.Takashina, H.Toki, Y.Yasuda, M.Yosoi, J.Zenihiro Probing effect of tensor interactions in 16O via (p, d) reaction NUCLEAR REACTIONS 16O(p, d), E=198, 295, 392 MeV; measured reaction products; deduced σ(θ), tensor interaction in one-nucleon transfer reactions.
doi: 10.1016/j.physletb.2013.07.038
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