NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = H.Nakada Found 79 matches. 2024AB03 J.Phys.(London) G51, 035101 (2024) Pairing effects on pure rotational energy of nuclei NUCLEAR STRUCTURE 34Mg, 80,100Zr; calculated g dependence of the deformation parameter, unprojected and the projected energies by applying the angular-momentum projection to the self-consistent axial mean-field solutions with the semi-realistic effective Hamiltonian M3Y-P6, the pairing effects on the pure rotational energy of nuclei, i.e. the rotational energy at a fixed intrinsic state; deduced the Hartree-Fock (HF) level that the individual terms of the Hamiltonian contribute to the rotational energy with ratios insensitive to nuclides except for light or weakly-deformed nuclei, the pair correlations significantly change the contributions, even for the well-deformed heavy nuclei.
doi: 10.1088/1361-6471/ad1a77
2023NA25 Phys.Rev. C 108, 034603 (2023) Description of the inclusive (d, d' x) reaction with the semiclassical distorted-wave model
doi: 10.1103/PhysRevC.108.034603
2023OM04 Phys.Rev. C 108, 054308 (2023) Y.Omura, H.Nakada, K.Abe, M.Takahashi Low-energy quadrupole collectivity of Sn nuclei in self-consistent calculations with a semi-realistic interaction
doi: 10.1103/PhysRevC.108.054308
2022AB24 Phys.Rev. C 106, 054317 (2022) Analysis of the Peierls-Yoccoz rotational energy of nuclei with a semi-realistic interaction NUCLEAR STRUCTURE 24,34,36,38,40Mg, 80,100,102,104,106,108,110Zr, 152,154,156Sm, 154Nd; calculated levels, J, π, excitation energies of 2+ states, ratios of excitation energies E(4+)/E(2+) and general E(J+)/E(2+), ratios dependence on the quadrupole deformation parameter. Comparison to experimental values. Rotational energy of nuclei has been analyzed by the angular-momentum projection on the axial Hartree-Fock solutions. Self-consistently mean-field HF calculations with semi-realistic effective Hamiltonian M3Y-P6.
doi: 10.1103/PhysRevC.106.054317
2022HI07 Phys.Rev. C 106, 034326 (2022) Y.Hirayama, M.Mukai, Y.X.Watanabe, P.Schury, H.Nakada, J.Y.Moon, T.Hashimoto, S.Iimura, S.C.Jeong, M.Rosenbusch, M.Oyaizu, T.Niwase, M.Tajima, A.Taniguchi, M.Wada, H.Miyatake In-gas-cell laser resonance ionization spectroscopy of 200, 201Pt NUCLEAR MOMENTS 198,200,201Pt; measured time-of-flight (TOF) spectra for ions with mass-to-charge-ratios, laser resonance ionization spectra using Multireflection time-of-flight mass spectrograph (MRTOF-MS) at KEK Isotope Separation System (KISS) of RIKEN facility. 200,201Pt; deduced differential mean-square charge radii and isotope shifts relative to those of 198Pt, magnetic dipole and electric quadrupole moments of 201Pt, β2 deformation parameters Comparison with theoretical calculations using symmetry-conserving configuration-mixing (SCCM) with Gogny D1S energy density functionals (SCCM+Gogny D1S), finite-range droplet model (FRDM), and constrained-Hartree-Fock-Bogoliubov (CHFB) theory with five-dimensional collective Hamiltonian (5DCH) based on the Gogny D1 interaction. 201Pt; deduced most likely spin-parity of 5/2-. 198,200,201Pt produced in 198Pt(136Xe, X), E=10.75 MeV/nucleon multi-nucleon transfer reactions.
doi: 10.1103/PhysRevC.106.034326
2021DA01 Phys.Rev.Lett. 126, 032502 (2021) T.Day Goodacre, A.V.Afanasjev, A.E.Barzakh, B.A.Marsh, S.Sels, P.Ring, H.Nakada, A.N.Andreyev, P.Van Duppen, N.A.Althubiti, B.Andel, D.Atanasov, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, M.Huyse, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, P.L.Molkanov, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, F.Wienholtz, R.N.Wolf, A.Zadvornaya, K.Zuber Laser Spectroscopy of Neutron-Rich 207, 208Hg Isotopes: Illuminating the Kink and Odd-Even Staggering in Charge Radii across the N = 126 Shell Closure NUCLEAR MOMENTS 202,203,206,207,208Hg; measured frequencies; deduced hyperfine spectra, mean-square charge radii. Comparison with relativistic Hartree-Bogoliubov and nonrelativistic Hartree-Fock-Bogoliubov approaches, available data.
doi: 10.1103/PhysRevLett.126.032502
2020NA08 Int.J.Mod.Phys. E29, 1930008 (2020) Properties of exotic nuclei and their linkage to the nucleonic interaction NUCLEAR STRUCTURE 16,24O, 24,40Mg, 40,48Ca, 56Ni, 90Zr, 100,132Sn, 208Pb; calculated binding energies, r.m.s. matter and charge radii, level energies, J, π, neutron separation energies. Comparison with available data.
doi: 10.1142/S021830131930008X
2019NA21 Phys.Rev. C 100, 044310 (2019) Irregularities in nuclear radii at magic numbers NUCLEAR STRUCTURE Z=8, N=6-16; Z=20, N=15-45; Z=28, N=20-60; Z=50, N=50-90; Z=82, N=100-140; N=20, Z=14-28; N=28, Z=16-30; N=50, Z=25-50; N=82, Z=35-70; N=126, Z=55-95; calculated differential mean-square charge radii, Z and N dependence of rms matter radii using Hartree-Fock-Bogolyubov approach with D1S, M3Y-P6, and M3Y-P6a interactions. Comparison with results from RMF theory, and with experimental data; investigated influence of magic numbers on nuclear radii; deduced evidence for the 3N-force effects on the l-s splitting.
doi: 10.1103/PhysRevC.100.044310
2018MI21 Phys.Rev. C 98, 064318 (2018) Shape evolution of Zr nuclei and roles of the tensor force NUCLEAR STRUCTURE 80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122Zr; calculated deformations, energies as function of intrinsic mass quadrupole moment, proton and neutron single particle energies using axial Hartree-Fock calculations with M3Y-P6 interaction. Comparison with other theoretical predictions.
doi: 10.1103/PhysRevC.98.064318
2018NA17 Phys.Rev. C 98, 011301 (2018) Intertwined effects of pairing and deformation on neutron halos in magnesium isotopes NUCLEAR STRUCTURE 34,35,36,37,38,40Mg; calculated rms matter radii, deformation parameters, and density distributions using self-consistent Hartree-Fock-Bogolyubov calculations, assuming the axial symmetry, with M3Y-P6 interaction. Comparison with experimental values, and with other theoretical predictions. 37Mg; discussed neutron halo, and p-wave contributions.
doi: 10.1103/PhysRevC.98.011301
2017TS04 Prog.Theor.Exp.Phys. 2017, 073D02 (2017) Analytical and numerical assessment of the accuracy of the approximated nuclear symmetry energy in the Hartree-Fock theory
doi: 10.1093/ptep/ptx090
2016AL09 Phys.Rev. C 93, 044320 (2016) Y.Alhassid, G.F.Bertsch, C.N.Gilbreth, H.Nakada Benchmarking mean-field approximations to level densities NUCLEAR STRUCTURE 148Sm, 162Dy; calculated canonical excitation energies, mean square angular momentum and second moments of angular momentum, entropies, as function of inverse temperature, s-wave resonance spacings, state densities, particle-projected frozen-potential (FP) density versus excitation energy. Shell model Monte Carlo (SMMC) and Hartree-Fock (HF) calculations. Assessment of accuracy of finite-temperature mean-field theory. Data files presented in supplemental material depository. Benchmarking of level densities in mean-field approximations for heavy spherical (e.g. 148Sm) and heavy deformed (e.g. 162Dy) nuclei. Comparison with available experimental data.
doi: 10.1103/PhysRevC.93.044320
2016NA24 Eur.Phys.J. A 52, 185 (2016) H.Nakada, K.Sugiura, T.Inakura, J.Margueron Can realistic interaction be useful for nuclear mean-field approaches? NUCLEAR STRUCTURE 40,48,52,80Ca; calculated energy difference between p1s1/2 and sp0d3/2 states. Ca, Sn, Pb; calculated isotope shifts. M3Y-type semi-realistic interaction within mean-field approach. Compared with available data.
doi: 10.1140/epja/i2016-16185-y
2016SU20 Phys.Rev. C 94, 024343 (2016) Y.Suzuki, H.Nakada, S.Miyahara Effects of a realistic tensor force on nuclear quadrupole deformation near the "shore" of the island of inversion NUCLEAR STRUCTURE 30Ne, 32,40Mg, 34,42Si, 44S; calculated intrinsic mass quadrupole moment, deformation parameter β, and energies at the lowest and second lowest minima, proton and neutron single-particle levels; deduced effects of the tensor force on deformation. Constrained Hartree-Fock calculations assuming axial symmetry with M3Y-type semirealistic interaction containing a realistic tensor force. Comparison with available experimental results.
doi: 10.1103/PhysRevC.94.024343
2015AL18 Phys.Rev. C 92, 024307 (2015) Y.Alhassid, M.Bonett-Matiz, S.Liu, H.Nakada Direct microscopic calculation of nuclear level densities in the shell model Monte Carlo approach NUCLEAR STRUCTURE 56Fe, 60,62Ni, 60Co, 162Dy; calculated microscopic nuclear level densities, and moment of inertia at finite excitation energy in the shell model Monte Carlo (SMMC) approach. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.024307
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
2015IN03 Phys.Rev. C 92, 064302 (2015) Constraining the slope parameter of the symmetry energy from nuclear structure NUCLEAR STRUCTURE 16,22,24O, 40,48,54,70Ca, 68,78,84Ni, 132,140,176Sn, 208Pb; calculated correlation coefficients of neutron skin thickness, cross section of low-energy dipole (LED), dipole polarizability αD, and αDS0 with the slope parameter of the symmetry energy S0. Hartree-Fock plus random-phase approximation with various effective interactions.
doi: 10.1103/PhysRevC.92.064302
2015MA48 Phys.Rev.Lett. 115, 102501 (2015) H.Matsubara, A.Tamii, H.Nakada, T.Adachi, J.Carter, M.Dozono, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, W.Horiuchi, M.Itoh, T.Kawabata, S.Kuroita, Y.Maeda, P.Navratil, P.von Neumann-Cosel, R.Neveling, H.Okamura, L.Popescu, I.Poltoratska, A.Richter, B.Rubio, H.Sakaguchi, S.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, F.D.Smit, K.Suda, Y.Tameshige, H.Tokieda, Y.Yamada, M.Yosoi, J.Zenihiro Nonquenched Isoscalar Spin-M1 Excitations in sd-Shell Nuclei NUCLEAR REACTIONS 24Mg, 28Si, 32S, 36Ar(p, p'), E=295 MeV; measured reaction products, Ep, Ip; deduced σ(θ), σ(θ, E), the squared spin M1 nuclear transition matrix elements, no quenching for isoscalar spin M1 transitions, while the matrix elements for isovector spin M1 transitions are quenched by an amount comparable with the analogous Gamow-Teller transitions on those target nuclei. Comparison with no-core shell model (NCSM) calculations.
doi: 10.1103/PhysRevLett.115.102501
2015NA05 Phys.Rev. C 91, 021302 (2015) Effects of three-nucleon spin-orbit interaction on isotope shifts of Pb nuclei NUCLEAR STRUCTURE 188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214Pb; calculated isotope shifts, occupation probabilities on n1g9/2 and n0i11/2 orbitals. Effects of the 3N interaction. Hartree-Fock-Bogoliubov calculations using semirealistic M3Y-P6 interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.021302
2015NA17 Phys.Rev. C 92, 044307 (2015) Further evidence for three-nucleon spin-orbit interaction in isotope shifts of nuclei with magic proton numbers NUCLEAR STRUCTURE 38,39,40,41,42,43,44,45,46,47,48,50,52Ca, 56,57,58,59,60,61,62,63,64,65,66,67,68Ni, 108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135Sn, 188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214Pb; calculated isotope shifts. 16O, 40Ca, 60Ni, 120Sn, 208Pb; calculated root-mean-square charge radii of reference nuclei. Hartree-Fock-Bogolyubov calculations with M3Y-P6 and M3Y-P6a interactions. Effects of the density-dependent LS interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.044307
2015OZ01 Phys.Rev. C 91, 034329 (2015) Nuclear state densities of odd-mass heavy nuclei in the shell model Monte Carlo approach NUCLEAR STRUCTURE 143,145,147,149Nd, 149,150,151,153,155Sm; calculated thermal excitation energy and partition function as function of temperature, level densities versus excitation energy. Shell model Monte Carlo (SMMC) calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.034329
2014AL12 Nucl.Data Sheets 118, 233 (2014) Calculating Level Densities of Heavy Nuclei by the Shell Model Monte Carlo Method NUCLEAR STRUCTURE 148,150,152,154Sm; calculated average total nuclear spin. 143,144,145,146,147,148,149,150,152Nd, 148,149,150,151,152,153,154,155Sm; calculated state density vs excitation energy, even-mass nuclei collective enhancement factor using Monte Carlo microscopic approach. Compared with available data.
doi: 10.1016/j.nds.2014.04.045
2014NA09 Prog.Theor.Exp.Phys. 2014, 033D02 (2014) Predicting magic numbers of nuclei with semi-realistic nucleon-nucleon interactions NUCLEAR STRUCTURE N=6, 14, 16, 20, 28, 32, 34, 40, 50, 56, 58, 82, 90, 124, 126, 164, 184;Z=14, 16, 20, 28, 34, 38, 40, 50, 58, 64, 82, 92, 120, 124, 126; calculated nuclear properties, vanishing pair correlations in the spherical HFB regime; deduced magic numbers.
doi: 10.1093/ptep/ptu027
2013NA03 Phys.Rev. C 87, 014336 (2013) Semi-realistic nucleon-nucleon interactions with improved neutron-matter properties NUCLEAR STRUCTURE 16,24O, 40,48Ca, 90Zr, 100,132Sn, 208Pb; calculated binding energies, rms matter radii, single-particle energies, proton and neutron rms radii. Z=8, N=7-18; Z=20, N=17-50; Z=28, N=24-62; Z=50, N=53-92; Z=82, N=97-134; calculated S(n). N=20, Z=14-28; N=28, Z=16-30; N=50, Z=28-50; N=82, Z=47-72; N=126, Z=70-94; calculated S(p). Z=82, N=116-134; calculated isotope shifts. Discussed tensor-force effects on shell structure. HFB calculations with new parameter sets of semi-realistic effective interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.014336
2013NA06 Phys.Rev. C 87, 034302 (2013) Crossover from skin mode to proton-neutron mode in E1 excitations of neutron-rich nuclei NUCLEAR STRUCTURE 16,22,24O, 48,52,60,70Ca, 68,78,84,86Ni, 90Zr, 132Sn; calculated neutron and proton density distributions, transition densities, S(E1), B(E1) using random phase approximation (RPA) with Hartree-Fock (HF) wave functions.
doi: 10.1103/PhysRevC.87.034302
2013NA17 Phys.Rev. C 87, 067305 (2013) H.Nakada, K.Sugiura, J.Margueron Tensor-force effects on single-particle levels and proton bubble structure around the Z or N=20 magic number NUCLEAR STRUCTURE 34Si, 36S, 46Ar, 48Ca; calculated proton density distributions. Z=20, N=20-28, 40, 50; calculated single particle energy differences between 1s1/2 and 0d3/2 proton orbitals, tensor force effects. 34Si; possible proton bubble structure. Hartree-Fock (HF) and Hartree-Fock-Bogolyubov (HFB) calculations using semirealistic NN interactions including a realistic tensor force.
doi: 10.1103/PhysRevC.87.067305
2013NA19 J.Phys.:Conf.Ser. 445, 012011 (2013) Mean-field and RPA approaches to stable and unstable nuclei with semi-realistic NN interactions NUCLEAR STRUCTURE 16O, 40,48Ca, 90Zr, 208Pb; calculated binding energy, mass excess, rms matter radius using M3Y-type semi-realistic NN interactions and RPA. Compared to data. 208Pb; calculated B(M1) using M3Y-type semi-realistic NN interaction. Compared to data.
doi: 10.1088/1742-6596/445/1/012011
2013OZ01 Phys.Rev.Lett. 110, 042502 (2013) Crossover from Vibrational to Rotational Collectivity in Heavy Nuclei in the Shell-Model Monte Carlo Approach NUCLEAR STRUCTURE 148,150,152,154Sm, 144,146,148,150,152Nd; calculated the crossover from vibrational to rotational collectivity in the low-temperature behavior. HFB approximation.
doi: 10.1103/PhysRevLett.110.042502
2013SH08 Phys.Rev. C 87, 024301 (2013) T.Shizuma, T.Hayakawa, H.Ohgaki, H.Toyokawa, T.Komatsubara, N.Kikuzawa, T.Inakura, M.Honma, H.Nakada Dipole strength distribution in 56Fe NUCLEAR REACTIONS 56Fe(polarized γ, γ'), E=7.6, 8.6, 10.0 MeV; measured Eγ, Iγ, widths, azimuthal asymmetry at TERAS facility in Tsukuba. 56Fe; deduced levels, PDR, J, π, multipolarity, B(M1), B(E1); summed dipole strengths. Comparison with random-phase approximation (RPA) with the Skyrme interaction, and shell-model calculations in the pf shell using the GXPF1J and KB3G effective interactions.
doi: 10.1103/PhysRevC.87.024301
2012IW02 Phys.Rev.Lett. 108, 262501 (2012) C.Iwamoto, H.Utsunomiya, A.Tamii, H.Akimune, H.Nakada, T.Shima, T.Yamagata, T.Kawabata, Y.Fujita, H.Matsubara, Y.Shimbara, M.Nagashima, T.Suzuki, H.Fujita, M.Sakuda, T.Mori, T.Izumi, A.Okamoto, T.Kondo, B.Bilgier, H.C.Kozer, Y.-W.Lui, K.Hatanaka Separation of Pygmy Dipole and M1 Resonances in 90Zr by a High-Resolution Inelastic Proton Scattering Near 0 degrees NUCLEAR REACTIONS 90Zr(p, p'), E=295 MeV; measured reaction products, proton spectra; deduced E1 and M1 strength distributions, fine structure, B(E1), pigmy dipole and M1 resonances, resonance parameters. ECIS95 calculations.
doi: 10.1103/PhysRevLett.108.262501
2012NA22 Prog.Theor.Phys.(Kyoto), Suppl. 196, 371 (2012) Mean-Field and RPA Approaches to Stable and Unstable Nuclei with Semi-Realistic NN Interaction NUCLEAR STRUCTURE 208Pb, 90Zr, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn; calculated B(E2), energy levels, J, π. M3Y-type semi-realistic NN interactions in the mean-field and RPA framework.
doi: 10.1143/PTPS.196.371
2011NA10 Phys.Rev. C 83, 031302 (2011) Coulombic effect and renormalization in nuclear pairing NUCLEAR STRUCTURE Z=10-26, N=20; Z=14-30, N=28; Z=22-48, N=50; Z=46-72, N=82; Z=64-94, N=126; calculated nuclear pairing energies, even-odd mass differences for even-even neutron-closed shell nuclei using Hartree-Fock-Bogolyubov approach and Gogny-D1S plus Coulomb interaction. Effect of the Coulomb force on the nuclear pairing properties.
doi: 10.1103/PhysRevC.83.031302
2011SH45 J.Phys.:Conf.Ser. 312, 092056 (2011) T.Shizuma, T.Hayakawa, H.Ohgaki, H.Toyokawa, T.Komatsubara, A.Tamii, H.Nakada Nuclear resonance fluorescence measurements by quasi-monochromatic linearly polarized photon beams NUCLEAR REACTIONS 208Pb(polarized γ, γ'), E=5.5, 6.1, 6.9, 7.4 MeV; measured Eγ, Iγ(θ) from inverse laser Compton scattering polarized γ using nuclear resonance fluorescence; deduced analyzing power, levels, J, π, decay width, reduced transition strength B(σλ), B(M1).
doi: 10.1088/1742-6596/312/9/092056
2010NA03 Phys.Rev. C 81, 027301 (2010); Erratum Phys.Rev. C 82, 029903 (2010) Modified parameter sets of M3Y-type semi-realistic nucleon-nucleon interactions for nuclear structure studies NUCLEAR STRUCTURE 16,24O, 40,48Ca, 90Zr, 132Sn, 208Pb; calculated binding energies, rms radii. 101,103,105,107,109,111,113,115,117,119,121,123,125,127,129,131,133,135,137,139,141Sn; calculated odd-even mass difference. 38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70Ca, 48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94Ni; calculated Hartree-Fock and Hartree-Fock Bogoliubov energies. Calculated new parameter sets for M3Y-type semirealistic nucleon-nucleon effective interactions.
doi: 10.1103/PhysRevC.81.027301
2010NA10 Phys.Rev. C 81, 051302 (2010) Shell structure in neutron-rich Ca and Ni nuclei under semi-realistic mean fields NUCLEAR STRUCTURE Z=20, N=18-50; Z=28, N=20-62; Z=18-30, N=32; Z=18-40, N=40; Z=24-40, N=58; calculated neutron single-particle energies and shell structure of neutron-rich nuclei using spherical Hartree-Fock calculations with semi realistic NN interactions. 78Ni; calculated level, B(E2) of first 2+. Discussed magicity.
doi: 10.1103/PhysRevC.81.051302
2009HA14 Phys.Rev. C 79, 059802 (2009) T.Hayakawa, T.Shizuma, T.Kajino, K.Ogawa, H.Nakada Reply on "138La-138Ce-136Ce nuclear cosmochronometer of the supernova neutrino process"
doi: 10.1103/PhysRevC.79.059802
2009LO04 Phys.Lett. B 680, 428 (2009) W.H.Long, T.Nakatsukasa, H.Sagawa, J.Meng, H.Nakada, Y.Zhang Non-local mean field effect on nuclei near Z=64 sub-shell NUCLEAR STRUCTURE 132Sn, 134Te, 136Xe, 138Ba, 140Ce, 142Nd, 144Sm, 146Gd, 148Dy, 150Er, 152Yb, 154Hf, 156W; calculated (pseudo-)spin-orbit splitting and proton state energy differences for N=82 isotones using density dependent relativistic HartreeFock model. Comparison with other models and experimental data.
doi: 10.1016/j.physletb.2009.09.034
2009NA35 Nucl.Phys. A828, 283 (2009) H.Nakada, K.Mizuyama, M.Yamagami, M.Matsuo RPA calculations with Gaussian expansion method NUCLEAR STRUCTURE 40,48,60Ca; calculated excitation energy and transition strength. Comparison of several methods.
doi: 10.1016/j.nuclphysa.2009.07.010
2009NA43 Eur.Phys.J. A 42, 565 (2009) Mean-field and RPA approaches to stable and unstable nuclei with semi-realistic interactions NUCLEAR STRUCTURE 16O, 40,48Ca, 208Pb; calculated binding energies, rms radii. 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144Sn; calculated proton single-particle levels. 16,24O; calculated levels, J, π. 208Pb; calculated B(M1). Comparison with data.
doi: 10.1140/epja/i2008-10750-y
2008AL25 Phys.Rev.Lett. 101, 082501 (2008) Heavy Deformed Nuclei in the Shell Model Monte Carlo Method NUCLEAR STRUCTURE 162Dy; calculated ground state energy, moment of inertia, level density; comparison with experimental results; shell model Monte Carlo approach;
doi: 10.1103/PhysRevLett.101.082501
2008HA20 Phys.Rev. C 77, 065802 (2008) T.Hayakawa, T.Shizuma, T.Kajino, K.Ogawa, H.Nakada 138La-138Ce-136Ce nuclear cosmochronometer of the supernova neutrino process NUCLEAR STRUCTURE 138La, 140Pr; calculated levels, J, π. Evaluated the 138La-138Ce-136Ce chain as a nuclear cosmochronometer. Comparison with experimental data.
doi: 10.1103/PhysRevC.77.065802
2008NA18 Nucl.Phys. A808, 47 (2008) Application of Gaussian expansion method to nuclear mean-field calculations with deformation NUCLEAR STRUCTURE 16,24O, 40,48Ca, 90Zr, 208Pb; calculated binding energy, radii, density distribution. 22,24,26,28,30,32,34,36,38Mg; calculated binding energy, quadrupole moment, radii, density distribution. Application of the Gaussian expansion method to Hartree-Fock and Hartree-Fock-Bogolyubov calculations.
doi: 10.1016/j.nuclphysa.2008.05.011
2008NA24 Phys.Rev. C 78, 051304 (2008); Publishers Note Phys.Rev. C 78, 069907 (2008) Isospin-projected nuclear level densities by the shell model Monte Carlo method NUCLEAR STRUCTURE 58Cu, 70Zn; calculated level densities. Shell Model Monte Carlo approach.
doi: 10.1103/PhysRevC.78.051304
2008NA25 Phys.Rev. C 78, 054301 (2008) Mean-field approach to nuclear structure with semi-realistic nucleon-nucleon interactions NUCLEAR STRUCTURE 16,24O, 40,48Ca, 90Zr, 132Sn, 208Pb; calculated binding energies, rms matter radii. 14,16,18,20,22,24,26,28O, 40Ca, 208Pb; calculated single-particle energies. 18,20,22,24,26O; calculated two-neutron separation energy. Comparison with experimental data. Mean-field Hartree-Fock, Hartree-Fock-Bogoliubov calculations. NUCLEAR STRUCTURE 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140Sn; calculated mass differences. Comparison with experimental data.
doi: 10.1103/PhysRevC.78.054301
2008SH23 Phys.Rev. C 78, 061303 (2008) T.Shizuma, T.Hayakawa, H.Ohgaki, H.Toyokawa, T.Komatsubara, N.Kikuzawa, A.Tamii, H.Nakada Fine structure of the magnetic-dipole-strength distribution in 208Pb NUCLEAR REACTIONS 208Pb(polarized γ, γ), E=7.0-7.4 MeV; measured Eγ, Iγ, angular distributions, azimuthal asymmetry, B(M1), B(E1), widths. 208Pb; deduced levels, J, π.
doi: 10.1103/PhysRevC.78.061303
2007AL51 Phys.Rev.Lett. 99, 162504 (2007) Spin Projection in the Shell Model Monte Carlo Method and the Spin Distribution of Nuclear Level Densities NUCLEAR STRUCTURE 55,56Fe, 60Co; calculated spin distributions of level densities using the shell model monte carlo approach.
doi: 10.1103/PhysRevLett.99.162504
2006NA03 Nucl.Phys. A764, 117 (2006); Erratum Nucl.Phys. A801, 169 (2008) Hartree-Fock-Bogolyubov calculations with Gaussian expansion method NUCLEAR STRUCTURE 14,15,16,17,18,19,20,21,22,23,24,25,26O; calculated energies, radii, density distributions. 24O, 30Si, 52Ca, 60Ni; calculated neutron pair energies. 24O, 26Ne, 28Mg, 30Si, 32S, 52Ca, 54Ti, 56Cr, 58Fe, 60Ni; calculated neutron quasi-particle energies. Hartree-Fock-Bogolyubov calculations.
doi: 10.1016/j.nuclphysa.2005.09.007
2006NA40 Phys.Rev.C 74, 061301 (2006) New Bardeen-Cooper-Schrieffer-type theory at finite temperature with particle-number conservation
doi: 10.1103/PhysRevC.74.061301
2006NA41 Int.J.Mod.Phys. E15, 1761 (2006) BCS-type theory in canonical ensembles
doi: 10.1142/S0218301306005290
2005ES09 Phys.Rev. C 72, 044303 (2005) K.Esashika, H.Nakada, K.Tanabe Effects of particle-number conservation on heat capacity of nuclei NUCLEAR STRUCTURE 161,162Dy; calculated heat capacities, other thermal properties. Finite-temperature BCS theory with particle number projection.
doi: 10.1103/PhysRevC.72.044303
2005TA05 Phys.Rev. C 71, 024314 (2005) Quantum number projection at finite temperature via thermofield dynamics
doi: 10.1103/PhysRevC.71.024314
2004SH15 Eur.Phys.J. A 20, 207 (2004) T.Shizuma, Z.G.Gan, K.Ogawa, H.Nakada, M.Oshima, Y.Toh, T.Hayakawa, Y.Hatsukawa, M.Sugawara, Y.Utsuno, Z.Liu A new isomer in 136Ba populated by deep inelastic collisions NUCLEAR REACTIONS 139La(82Se, X)136Ba, E=450 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 136Ba deduced levels, J, π, isomer T1/2, B(E2). Comparisons with shell model predictions.
doi: 10.1140/epja/i2003-10163-6
2003FU07 Phys.Rev. C 67, 064312 (2003) Y.Fujita, Y.Shimbara, A.F.Lisetskiy, T.Adachi, G.P.A.Berg, P.von Brentano, H.Fujimura, H.Fujita, K.Hatanaka, J.Kamiya, T.Kawabata, H.Nakada, K.Nakanishi, Y.Shimizu, M.Uchida, M.Yosoi Analogous Gamow-Teller and M1 transitions in 26Mg, 26Al, and 26Si NUCLEAR REACTIONS 26Mg(3He, t), E=140 MeV; measured triton spectrum, σ(E). 26Al deduced Gamow-Teller strength distribution, B(M1). High-resolution spectrometer. NUCLEAR STRUCTURE 26Mg, 26Al, 26Si analyzed Gamow-Teller and M1 transition strengths, isobaric analog states. Particle-rotor model calculations.
doi: 10.1103/PhysRevC.67.064312
2003HO31 Phys.Rev. C 68, 054306 (2003); Erratum Phys.Rev. C 68, 069901 (2003) L.Hou, T.Ishii, M.Asai, J.Hori, K.Ogawa, H.Nakada Measurement of B(M1) for the πp3/2νp1/2-1 doublet in 68Cu RADIOACTIVITY 68mCu(IT) [from 68Zn(n, p)]; measured Eγ, Iγ, γγ-coin. 68Cu deduced levels J, π, T1/2, configurations, B(M1). Comparison with model predictions.
doi: 10.1103/PhysRevC.68.054306
2003NA12 Phys.Rev. C 68, 014316 (2003) Hartree-Fock approach to nuclear matter and finite nuclei with M3Y-type nucleon-nucleon interactions NUCLEAR STRUCTURE 208Pb; calculated single-particle level energies. M3Y-type interactions, density-dependent contact term.
doi: 10.1103/PhysRevC.68.014316
2003NA24 Nucl.Phys. A718, 691c (2003) Microscopic Nuclear Level Densities by the Shell Model Monte Carlo Method NUCLEAR STRUCTURE 56Fe, 58Cu, 60Ni, 68Zn; calculated level densities. Shell Model Monte Carlo approach.
doi: 10.1016/S0375-9474(03)00890-X
2003NA36 Nucl.Phys. A722, 117c (2003) Hartree-Fock calculations on unstable nuclei with several types of effective interactions
doi: 10.1016/S0375-9474(03)01346-0
2002MA80 Prog.Theor.Phys.(Kyoto), Suppl. 146, 595 (2002) T.Matsuzawa, H.Nakada, K.Ogawa Role of the Z = 64 Core Excitation in High-Spin Isomers in Proton-Rich N ∼ 82 Nuclei NUCLEAR STRUCTURE 152Yb, 145Eu, 147Tb, 154Lu; analyzed high-spin isomers B(E2), configurations; deduced core excitation effects.
doi: 10.1143/PTPS.146.595
2002NA03 Nucl.Phys. A699, 511 (2002); Erratum Nucl.Phys. A714, 696 (2003) A Method of Implementing Hartree-Fock Calculations with Zero- and Finite-Range Interactions NUCLEAR STRUCTURE 16,24,28O; calculated energies, radii, density distributions. 14,16,18,20,22,24,26,28O; calculated neutron single-particle energies, two-neutron separation energies. Hartree-Fock calculations.
doi: 10.1016/S0375-9474(01)01283-0
2002NA29 Prog.Theor.Phys.(Kyoto), Suppl. 146, 442 (2002) A Hartree-Fock Calculation with Yukawa Interaction NUCLEAR STRUCTURE 14,16,18,20,22,24,26,28O; calculated two-neutron separation energies, matter radii.
doi: 10.1143/PTPS.146.442
2000AL13 Phys.Rev.Lett. 84, 4313 (2000) Y.Alhassid, G.F.Bertsch, S.Liu, H.Nakada Parity Dependence of Nuclear Level Densities NUCLEAR STRUCTURE 56Fe, 60Ni, 68Zn; calculated level densities, occupation numbers, parity dependences. Simple formula, comparison with Monte Carlo shell model results.
doi: 10.1103/PhysRevLett.84.4313
2000MA90 Phys.Rev. C62, 054304 (2000); Erratum Phys.Rev. C63, 029902 (2001) T.Matsuzawa, H.Nakada, K.Ogawa, G.Momoki Seniority Isomerism in Proton-Rich N = 82 Isotones and Its Indication to Stiffness of the Z = 64 Core NUCLEAR STRUCTURE 145Eu, 146Gd, 147Tb, 148Dy, 149Ho, 150Er, 151Tm, 152Yb, 153Lu, 154Hf; calculated levels, J, π, isomer decay B(E2); deduced role of core excitation. Shell model, comparisons with data.
doi: 10.1103/PhysRevC.62.054304
1999AL34 Phys.Rev.Lett. 83, 4265 (1999) Particle-Number Reprojection in the Shell Model Monte Carlo Method: Application to nuclear level densities NUCLEAR STRUCTURE 50,51,52,53,54,55,56Mn, 52,53,54,55,56,57,58Fe, 54,55,56,57,58,59,60Co; calculated level density vs excitation energy, related parameters. Shell model Monte Carlo approach, particle number reprojection method. Comparisons with data.
doi: 10.1103/PhysRevLett.83.4265
1999OG11 Phys.Lett. 464B, 157 (1999) K.Ogawa, H.Nakada, S.Hino, R.Motegi Thomas-Ehrman Shifts in Nuclei Around 16O and Role of Residual Nuclear Interaction NUCLEAR STRUCTURE 15,16C, 15F, 16Ne; calculated levels, J, π; deduced reduction in residual interaction. Phenomenological shell model.
doi: 10.1016/S0370-2693(99)00993-4
1998NA08 Nucl.Phys. A629, 523c (1998) Role of Shell Structure in the 2νββ Nuclear Matrix Elements
doi: 10.1016/S0375-9474(97)00731-8
1998NA33 Phys.Lett. 436B, 231 (1998) Microscopic Nuclear Level Densities from Fe to Ge by the Shell Model Monte Carlo Method NUCLEAR STRUCTURE 54,56,58Fe, 58,60,62,64Ni, 64,66,68,70Zn, 70,72Ge; calculated total, parity-projected level densities, first 2+ state excitation energies, related features. Shell model Monte Carlo method.
doi: 10.1016/S0370-2693(98)00911-3
1997FU08 Z.Phys. A358, 279 (1997) K.Furutaka, T.Hayakawa, H.Nakada, Y.Hatsukawa, M.Kidera, M.Oshima, S.Mitarai, H.Kusakari, T.Komatsubara, M.Matsuda, K.Furuno High Spin States of 62,64Zn NUCLEAR REACTIONS 40Ca(28Si, X), E=120 MeV; measured γγ-coin, Eγ, Iγ. 62,64Zn deduced high-spin levels, J, π, configuration.
doi: 10.1007/s002180050329
1997HA45 Z.Phys. A359, 3 (1997) Y.Hatsukawa, T.Hayakawa, K.Furutaka, H.Nakada, M.Kidera, T.Ishii, M.Matsuda, M.Oshima, S.Mitarai, M.Sugawara, H.Kusakari, T.Komatsubara, K.Furuno High-Spin States in 61Cu NUCLEAR REACTIONS 40Ca(28Si, 3pα), E=120 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin, DCO ratios. 61Cu deduced high-spin levels, J, π, band structure. Shell model comparison.
doi: 10.1007/s002180050356
1997NA04 Phys.Rev. C55, 748 (1997) Microscopic Analysis of Quadrupole Collective Motion in Cr-Fe Nuclei. I. Renormalization of collective states and interacting boson model parameters NUCLEAR STRUCTURE 56,58Fe, 54,56Cr; calculated levels. Quadrupole collective motion microscopic analysis, collective states renormalization, interacting boson model parameters.
doi: 10.1103/PhysRevC.55.748
1997NA09 Phys.Rev. C55, 2418 (1997) Microscopic Analysis of Quadrupole Collective Motion in Cr-Fe Nuclei. II. Doorway Nature of Mixed-Symmetry States NUCLEAR STRUCTURE 54,56Cr, 56,58Fe; calculated F-spin probabilities, levels, B(λ). Renormalized SD-space.
doi: 10.1103/PhysRevC.55.2418
1997NA16 Phys.Rev.Lett. 79, 2939 (1997) Total and Parity-Projected Level Densities of Iron-Region Nuclei in the Auxiliary Fields Monte Carlo Shell Model NUCLEAR STRUCTURE 56Fe; calculated level density, total energy, related features; deduced model parameter dependence. Shell model Monte Carlo method. Comparison to data, Hartree-Fock approximation.
doi: 10.1103/PhysRevLett.79.2939
1997UT01 Phys.Lett. 397B, 6 (1997) Distribution of E2 Excitations in sd-Shell Nuclei NUCLEAR STRUCTURE 28Si, 24Mg, 32S; calculated levels, B(λ), overlap factor R(Q). 20Ne, 36Ar, 30,32Si; calculated overlap factor R(Q). Realistic shell model, sd-space.
doi: 10.1016/S0370-2693(97)00154-8
1996FU03 Phys.Lett. 365B, 29 (1996) Y.Fujita, H.Akimune, I.Daito, M.Fujiwara, M.N.Harakeh, T.Inomata, J.Janecke, K.Katori, H.Nakada, S.Nakayama, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi Isospin Decomposition of the Gamow-Teller Strength in 58Cu NUCLEAR REACTIONS 58Ni(3He, t), E=100 MeV/nucleon; measured triton spectra, θ=0°. 58Cu deduced Gamow-Teller transition strength, isospin components.
doi: 10.1016/0370-2693(95)01304-0
1996NA17 Nucl.Phys. A607, 235 (1996) Realistic Shell-Model Calculations of the 2νββ Nuclear Matrix Elements and the Role of the Shell Structure in Intermediate States RADIOACTIVITY 36Ar, 54Fe(2EC); 58Ni(2EC), (β+EC); calculated 2ν-accompanied 2β-decay T1/2. Realistic shell model.
doi: 10.1016/S0375-9474(96)00227-8
1996NA19 J.Phys.(London) G22, 1349 (1996) Microscopic Description of Gamow-Teller Transitions in Middle pf-Shell Nuclei by a Realistic Shell-Model Calculation RADIOACTIVITY 50Sc, 51,52Ti, 52,53V(β-); 54Mn, 55Fe, 55,56Co, 56,57Ni(β+); calculated β-decay associated Gamow-Teller transition strength.
doi: 10.1088/0954-3899/22/9/008
1994NA02 Phys.Rev. C49, 886 (1994) E2 Properties of Nuclei Far from Stability and the Proton-Halo Problem of 8B NUCLEAR STRUCTURE 9,8,6,7Li, 8,10B, 9,10Be, 10C; calculated levels, B(λ), quadrupole moments. Shell model, E2 core polarization effects.
doi: 10.1103/PhysRevC.49.886
1994NA04 Nucl.Phys. A571, 467 (1994) Microscopic Description of Nuclei in the Middle of the pf-Shell by a Shell-Model Calculation with G-Matrix Interaction NUCLEAR STRUCTURE 49,50,51Sc, 50,51,52Ti, 51,52,53V, 52,53,54Cr, 53,54,55Mn, 54,55,56Fe, 55,56,57Co, 56,57,58Ni; calculated levels, B(λ), E2 static moments. Shell model, large basis, Kuo-Brown G-matrix.
doi: 10.1016/0375-9474(94)90222-4
1994NA18 Nucl.Phys. A577, 203c (1994) 0(h-bar x Omega) MEC Effect on M1 Properties of Middle pf-Shell Nuclei NUCLEAR STRUCTURE 55Co; calculated μ. 54Fe, 56Co, 57Ni; calculated μ, B(M1). Large basis, shell model, meson exchange effects.
doi: 10.1016/0375-9474(94)90856-7
1991NA13 Phys.Rev.Lett. 67, 1086 (1991) Mixed-Symmetry 2+ State of 56Fe in Realistic Shell Model NUCLEAR STRUCTURE 56Fe; calculated levels, B(λ), transition form factors. Shell model, realistic interaction.
doi: 10.1103/PhysRevLett.67.1086
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