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NSR database version of April 11, 2024.

Search: Author = T.Mizusaki

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2023KA05      Phys.Rev.Lett. 130, 052501 (2023)

K.Kaneko, Y.Sun, N.Shimizu, T.Mizusaki

Quasi-SU(3) Coupling Induced Oblate-Prolate Shape Phase Transition in the Casten Triangle

NUCLEAR STRUCTURE 122,124,126,128,130,132Te, 124,126,128,130,132,134Xe, 126,128,130,132,134,136Ba; calculated energy levels, J, π, B(E2), quadrupole moments, potential energy surfaces using HFB+GCM with the PMMU Hamiltonian; deduced hidden symmetries from the vast shell-model configurations, microscopical insights into the empirical symmetry triangle.

doi: 10.1103/PhysRevLett.130.052501
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2022KI17      Phys.Rev. C 106, 034311 (2022)

S.Kisyov, C.Y.Wu, J.Henderson, A.Gade, K.Kaneko, Y.Sun, N.Shimizu, T.Mizusaki, D.Rhodes, S.Biswas, A.Chester, M.Devlin, P.Farris, A.M.Hill, J.Li, E.Rubino, D.Weisshaar

Structure of 126, 128Xe studied in Coulomb excitation measurements

NUCLEAR REACTIONS 196Pt, 208Pb(126Xe, 126Xe'), (128Xe, 128Xe'), E(126Xe)=3.74 MeV/nucleon, E(128Xe)=3.81 MeV/nucleon; measured reaction products, Eγ, Iγ, (126Xe)γ-coin, (128Xe)γ-coin using JANUS array consisting of a pair of segmented double-sided Si detectors for particles, and SeGA array with sixteen 32-fold segmented HPGe detector for γ radiation at the NSCL-MSU facility. 126,128Xe; deduced levels, J, π, E2 matrix elements, B(E2), static quadrupole moments. GOSIA + GOSIA2 analyses; calculated Potential-energy surfaces (PES) in (Q0, Q2) plane. Comparison with PMMU shell model calculations, and with previous experimental results.

doi: 10.1103/PhysRevC.106.034311
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2021KA15      Phys.Rev. C 103, L021301 (2021)

K.Kaneko, N.Shimizu, T.Mizusaki, Y.Sun

Quasi-SU(3) coupling of (1h11/2, 2f7/2) across the N=82 shell gap: Enhanced E2 collectivity and shape evolution in Nd isotopes

NUCLEAR STRUCTURE 56Ni; calculated levels, J, π using HFB+gcm and exact shell-model, and compared with experimental data. 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn, 108,110,112,114,116,118,120,122,124,126,128,130,132,134Te, 110,112,114,116,118,120,122,124,126,128,130,132,134,136Xe, 118,120,122,124,126,128,130,132,134,136,138Ba, 126,128,130,132,134,136,138,140Ce, 128,130,132,134,136,138,140,142Nd, 130,132,134,136,138,140,142,144Nd; calculated energies of the first 2+ and 4+ levels, B(E2) for the first 2+ states, and compared with experimental data. 128,130,132,134,136,138,140,142Nd; calculated energies of levels in the g.s. yrast band up to 12+, Qs and B(E2) for the first 2+ states in the gdshf model space, potential energy surfaces for 130,138,142Nd. Comparison with experimental data. Projected Hartree-Fock-Bogolyubov plus generator coordinate method using the PMMU model in the model space of 1g9/2, 1g7/2, 2d5/2, 2d3/2, 3s1/2, and 1h11/2 orbitals.

doi: 10.1103/PhysRevC.103.L021301
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2021MI14      Phys.Rev. C 104, L031305 (2021)

T.Mizusaki, P.Schuck

Symmetry projection to coupled-cluster singles plus doubles wave function through the Monte Carlo method

doi: 10.1103/PhysRevC.104.L031305
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2021SH24      Phys.Rev. C 103, 064302 (2021)

N.Shimizu, T.Mizusaki, K.Kaneko, Y.Tsunoda

Generator-coordinate methods with symmetry-restored Hartree-Fock-Bogoliubov wave functions for large-scale shell-model calculations

NUCLEAR STRUCTURE 48Ca, 56Ni, 132,133Ba; calculated levels, J, π, B(E2), quadrupole moments, and total energy surface contours in (Q0, Q2) plane using generator HFB-based coordinate method (GCM) combined with the projection method for large-scale shell model calculations. Benchmark tests of the axial HF+GCM, HF+GCM, axial HFB+GCM, and HFB+GCM methods for 48Ca and 132Ba. Possible relevance to proton-neutron mixing of the quasiparticle vacuum for precise estimation of nuclear matrix element (NMEs) for neutrinoless double-β decay.

doi: 10.1103/PhysRevC.103.064302
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2019KA19      Nucl.Phys. A986, 107 (2019)

K.Kaneko, Y.Sun, T.Mizusaki, D.G.Jenkins, S.K.Ghorui, S.Tazaki

Large mirror asymmetry in Gamow-Teller β-decay in the A=26 isobaric multiplet

RADIOACTIVITY 26Na, 27Mg, 28Al(β-), 26,27,28P(β+), (EC); compiled experimental mirror asymmetry δ from the ft data for mirror nuclei of A=17-35; deduced large mirror asymmetry between 26P and 26Na; calculated ft, mirror asymmetry in GT β-decay using large-scale shell model including Isospin-NonConserving (INC) forces with introduced T=1, J NOT= 0 INC forces deduced good agreement to the data, whereas usual J=0 INC force does not work. Calculations compared with available data.

doi: 10.1016/j.nuclphysa.2019.03.002
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2018KA24      Phys.Rev. C 97, 054326 (2018)

K.Kaneko, Y.Sun, T.Mizusaki

Isoscalar neutron-proton pairing and SU(4)-symmetry breaking in Gamow-Teller transitions

NUCLEAR STRUCTURE 42Sc, 46V, 50Mn, 54Co; calculated cumulative sums of Gamow-Teller transition strengths B(GT) of lowest 1+ states, with separate contributions from each interaction, level energies, B(GT) and overlap between wave functions for the first 0+ and 1+ states. Large-scale shell-model calculations with realistic PMMU Hamiltonian; deduced role of isoscalar T=0, Jπ=1+ np-pairing interaction and SU(4)-symmetry breaking in GT transitions. Comparison with experimental values.

doi: 10.1103/PhysRevC.97.054326
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2018SH37      Phys.Rev. C 98, 054309 (2018)

N.Shimizu, T.Mizusaki

Variational Monte Carlo method for shell-model calculations in odd-mass nuclei and restoration of symmetry

NUCLEAR STRUCTURE 48Cr; calculated energies of the ground-state band members up to 12+ using variation after and before angular momentum projection (J-VAP and J-VBP), and with the GXPF1A interaction. 49Cr; calculated energies of the 5/2-, 7/2-, 9/2- and 11/2- states with J-VAP approach and GXPF1A interaction. Variational Monte Carlo (VMC) method with and without variation after angular-momentum projection. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.98.054309
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2016WA07      Phys.Rev. C 93, 034322 (2016)

L.-J.Wang, Y.Sun, T.Mizusaki, M.Oi, S.K.Ghorui

Reduction of collectivity at very high spins in 134Nd: Expanding the projected-shell-model basis up to 10-quasiparticle states

NUCLEAR STRUCTURE 134Nd; calculated levels, J, K, π, bands, B(E2), configurations, moment of inertia of yrast band using projected shell model expanded to include up to 10-qp states. Comparison with experimental data.

doi: 10.1103/PhysRevC.93.034322
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2015KA46      Phys.Rev. C 92, 044331 (2015)

K.Kaneko, T.Mizusaki, Y.Sun, S.Tazaki

Systematical shell-model calculation in the pairing-plus-multipole Hamiltonian with a monopole interaction for the pf5/2g9/2 shell

NUCLEAR STRUCTURE 64,65,66,67,68,69,70,71,72,73,74,75,76Ni, 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78Cu, 65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80Zn, 66,67,68,69,70,71,72,73,74,75,76,77,78,79,80Ga, 69,70,71,72,73,74,75,76,77,78,79,80Ge, 67,68,69,70,71,72,73,74,75,76,77,78As, 73,74,75,76,77,78,79,80Se; calculated binding energies, effective single-particle energies of proton orbits for Cu isotopes, level energies of low-lying, low spin states and B(E2) values in even- and odd-A isotopes, neutron g9/2 and proton p3/2 occupancies for low lying states in Ge isotopes, magnetic moments and electric quadrupole moments of Cu, Ga, and Ge isotopes. 64,66,68,69,70,71,72,73,74,75,76Ge, 68,69,70,71,72,73,74Se; calculated low- and high-spin levels, J, π, B(E2). Shell-model calculations with a pairing-plus-multipole Hamiltonian and monopole-based universal force interaction (PMMU model) for the pf5/2g9/2 shell nuclei. Comparison with experimental and evaluated data.

doi: 10.1103/PhysRevC.92.044331
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2015WA13      Acta Phys.Pol. B46, 497 (2015)

L.-J.Wang, F.-Q.Chen, Y.Sun, T.Mizusaki, M.Oi

Application of the Pfaffian Algorithm in the Nuclear Structure Study at High Spins

NUCLEAR STRUCTURE 166Hf; calculated yrast band at high spin; deduced anomalies. Projected shell model, the Pfaffian algorithm.

doi: 10.5506/APhysPolB.46.497
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2014KA03      Phys.Rev. C 89, 011302 (2014)

K.Kaneko, T.Mizusaki, Y.Sun, S.Tazaki

Toward a unified realistic shell-model Hamiltonian with the monopole-based universal force

NUCLEAR STRUCTURE Z=20-28, A=42-64; calculated binding energies and fitted with experimental values for 95 nuclides. 42,44,46,48,50,52,54,56,58Ca, 44,46,48,50,52,54,56,58,60Ti, 48,50,52,54,56,58,60,62Cr, 52,54,56,58,60,62,64Fe, 56,58,60,62,64,66,68,70,72,74Ni, 60,62,64,66,68,70,72,74,76,78,80Zn, 64,66,68,70,72,74,76,78,80,82Ge, 68,70,72,74,76,78,80,82,84Se; calculated energies and B(E2) for first 2+ levels. 55Co, 56Ni, 69,72Ge; calculated levels, J, π. Unified realistic shell-model Hamiltonian employing pairing plus multipole Hamiltonian combined with monopole interaction (PMMU model). Comparison with experimental data.

doi: 10.1103/PhysRevC.89.011302
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2014KA08      Phys.Rev. C 89, 031302 (2014)

K.Kaneko, Y.Sun, T.Mizusaki, S.Tazaki

Isospin nonconserving interaction in the T=1 analogue states of the mass-70 region

NUCLEAR STRUCTURE A=66-78; calculated mirror energy differences (MEDs) and triplet energy differences (TEDs) for even-even nuclei in the T=1 analog states; calculated Coulomb energy differences for N=Z nuclei 66As-66Ge, 70Br-70Se, 74Rb-74Kr, and 78Y-78Sr. Large-scale shell-model calculations. Effect of isospin nonconserving (INC) nuclear force for the upper fp-shell region. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.031302
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2014MI17      Prog.Theor.Exp.Phys. 2014, 091D01 (2014)

T.Mizusaki, T.Myo, K.Kato

A new approach for many-body resonance spectroscopy with the complex scaling method

NUCLEAR STRUCTURE 8C; calculated resonance and continuum energies of many-body states. Sakurai-Sugiura method with the complex scaling.

doi: 10.1093/ptep/ptu124
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2014WA29      Phys.Rev. C 90, 011303 (2014)

L.-J.Wang, F.-Q.Chen, T.Mizusaki, M.Oi, Y.Sun

Toward extremes of angular momentum: Application of the Pfaffian algorithm in realistic calculations

NUCLEAR STRUCTURE 166Hf; calculated back-bending plot, and level-energy versus spin plot for high-spin band structure. 176Hf; calculated levels, J, π for yrast, 2-qp, 4-qp and 6-qp bands with quantum number K=6, 8, 14, 15, 19, 20, 22, B(E2) values using Pfaffian algorithm to calculate matrix elements for Hartree-Fock-Bogoliubov states for high-spin and multi-qp states. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.011303
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2013KA15      Phys.Rev.Lett. 110, 172505 (2013)

K.Kaneko, Y.Sun, T.Mizusaki, S.Tazaki

Variation in Displacement Energies Due to Isospin-Nonconserving Forces

NUCLEAR STRUCTURE A=42-95; calculated Coulomb and triplet displacement energies, one- and two-proton separation energies; deduced importance of isospin-nonconserving forces. Large scale shell model calculation, GXPF1A and JUN45 effective interactions.

doi: 10.1103/PhysRevLett.110.172505
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2013SH28      J.Phys.:Conf.Ser. 445, 012004 (2013)

N.Shimizu, T.Otsuka, Y.Utsuno, T.Mizusaki, M.Honma, T.Abe

History and future perspectives of the Monte Carlo shell model -from Alphleet to K computer-

doi: 10.1088/1742-6596/445/1/012004
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2012KA26      Phys.Rev.Lett. 109, 092504 (2012)

K.Kaneko, T.Mizusaki, Y.Sun, S.Tazaki, G.de Angelis

Coulomb Energy Difference as a Probe of Isospin-Symmetry Breaking in the Upper fp-Shell Nuclei

NUCLEAR STRUCTURE 66As, 66Ge, 70Br, 70Se, 74Rb, 74Kr, 78Y, 78Sr; calculated Coulomb energy differences; deduced isospin-symmetry breaking. Shell model calculations, Sakurai-Sugiura algorithm, comparison with available data.

doi: 10.1103/PhysRevLett.109.092504
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2012MI02      Phys.Rev. C 85, 021301 (2012)

T.Mizusaki, N.Shimizu

New variational Monte Carlo method with energy variance extrapolation for large-scale shell-model calculations

NUCLEAR STRUCTURE 56Ni; calculated levels energy patterns for J=0, 2, 4 states, exact shell-model energies. New variational Monte Carlo (VMC) method with energy variance extrapolation for large scale shell-model calculations.

doi: 10.1103/PhysRevC.85.021301
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2012SH13      Phys.Rev. C 85, 054301 (2012)

N.Shimizu, Y.Utsuno, T.Mizusaki, M.Honma, Y.Tsunoda, T.Otsuka

Variational procedure for nuclear shell-model calculations and energy-variance extrapolation

NUCLEAR STRUCTURE 64,72Ge; calculated energy vs. energy variance plot for 0+ ground state and first excited 0+ state. 72Ge; calculated total energy surface contours. Shell-model calculations with energy-variance extrapolation (EVE) method and wavefunctions from linear combinations of the parity, angular-momentum projected Slater determinants.

doi: 10.1103/PhysRevC.85.054301
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2012UT01      Prog.Theor.Phys.(Kyoto), Suppl. 196, 304 (2012)

Y.Utsuno, T.Otsuka, B.A.Brown, M.Honma, T.Mizusaki, N.Shimizu

Shell Evolution around and beyond N=28 Studied with Large-Scale Shell-Model Calculations

NUCLEAR STRUCTURE 40,42,44,46,48,50,52Ca; calculated energy levels, distribution of spectroscopic factors; deduced evolution of shell structure. Comparison with experimental data.

doi: 10.1143/PTPS.196.304
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2012UT02      Phys.Rev. C 86, 051301 (2012)

Y.Utsuno, T.Otsuka, B.A.Brown, M.Honma, T.Mizusaki, N.Shimizu

Shape transitions in exotic Si and S isotopes and tensor-force-driven Jahn-Teller effect

NUCLEAR STRUCTURE 36,38,40,42Si, 38,40,42,44S; calculated levels, J, π, B(E2), S(2n), potential-energy surfaces. 40,42,44,46Ar, 42,44,46,48Ca; calculated S(2n). 48Ca(e, e'p); calculated spectroscopic factors. Shell-model calculations with tensor-force component of the Hamiltonian. Jahn-Teller type effect. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.051301
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2011HA03      Phys.Lett. B 696, 197 (2011)

M.Hasegawa, Y.Sun, S.Tazaki, K.Kaneko, T.Mizusaki

Characteristics of the 2 1/2+ isomer in 93Mo: Toward the possibility of enhanced nuclear isomer decay

NUCLEAR STRUCTURE 93Mo, 93Tc, 95Ru; calculated excitation energy, structure of yrast states, B(E4), B(E2), B(M1). Microscopic shell model calculations, comparison with experimental data.

doi: 10.1016/j.physletb.2010.10.065
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2011KA03      Phys.Rev. C 83, 014320 (2011)

K.Kaneko, Y.Sun, T.Mizusaki, M.Hasegawa

Shell-model study for neutron-rich sd-shell nuclei

NUCLEAR STRUCTURE 35Si, 36,37,38,40,42,43,44,46S, 38,39,40,42,43,44,45,46,47,48Ar, 41,49Ca, 47K; calculated levels, J, π. 40Mg, 34,36,38,40,42,44,46,48,50,52Si, 36,38,40,42,44,46,48,50,52,54S, 38,40,42,44,46,48,50,52,54,56Ar, 40,42,44,46,48,50,52,54,56,58Ca; calculated energies of first 2+ states. Z=20, N=20-40; calculated effective proton single-particle energies. Z=8-20, N=20; calculated effective neutron single-particle energies. 36,38,40,42Si, 36,38,40,42,44S, 38,40,42,44,46Ar; calculated B(E2) values for first 2+ states. 40Mg, 42Si, 44S, 44,46Ar, 48Ca; calculated spectroscopic quadrupole moments of first 2+ states. 35,37,39,41,43P, 37,39,41,43,45Cl, 39,41,43,45,47,49K; calculated 3/2+ to 1/2+ splittings. 41Si, 43S, 45Ar, 47Ca; calculated 7/2- to 3/2- splittings. Spherical shell model in the sd-pf valence space with the extended pairing plus quadrupole-quadrupole forces accompanied by the monopole interaction (EPQQM). Comparison with experimental data for sd-shell nuclei.

doi: 10.1103/PhysRevC.83.014320
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2011KA07      Acta Phys.Pol. B42, 439 (2011)

K.Kaneko, S.Tazaki, T.Mizusaki, Y.Sun, M.Hasegawa, G.de Angelis

Mirror Energy Difference at High Spins in the Mirror Pair 67Se and 67As

NUCLEAR STRUCTURE 67Se, 67As; calculated mirror energy difference for high-spin states. Comparison with all available data.

doi: 10.5506/APhysPolB.42.439
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2011MI01      Acta Phys.Pol. B42, 447 (2011)

T.Mizusaki, K.Kaneko, M.Honma, T.Sakurai

Filter Diagonalization: A New Method for Large-scale Shell-model Calculations

NUCLEAR STRUCTURE 48Cr, 66As, 66Ge; calculated mirror energy differences due to small isospin breaking. Filter diagonalization method.

doi: 10.5506/APhysPolB.42.447
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2010KA32      Phys.Rev. C 82, 061301 (2010)

K.Kaneko, S.Tazaki, T.Mizusaki, Y.Sun, M.Hasegawa, G.de Angelis

Isospin symmetry breaking at high spins in the mirror pair 67Se and 67As

NUCLEAR STRUCTURE 67Se, 67As; calculated levels, J, π, mirror energy differences (MED), occupation numbers for proton and neutron orbits, spin distribution in each and spectroscopic quadrupole moments at high spins using large-scale shell-model approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.061301
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2010MI16      Phys.Rev. C 82, 024310 (2010)

T.Mizusaki, K.Kaneko, M.Honma, T.Sakurai

Filter diagonalization of shell-model calculations

NUCLEAR STRUCTURE 48Cr; calculated yrast state energies and M1 strength functions using Sakurai and Sugiura (SS)+shifted complex orthogonal conjugate gradient (COCG) method of filter diagonalization for shell-model calculations.

doi: 10.1103/PhysRevC.82.024310
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2010SH30      Phys.Rev. C 82, 061305 (2010)

N.Shimizu, Y.Utsuno, T.Mizusaki, T.Otsuka, T.Abe, M.Honma

Novel extrapolation method in the Monte Carlo shell model

NUCLEAR STRUCTURE 56Ni, 64Ge; calculated ground and excited state energies and quadrupole moments using Monte-Carlo shell-model (MCSM).

doi: 10.1103/PhysRevC.82.061305
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2009HO14      Phys.Rev. C 80, 064323 (2009)

M.Honma, T.Otsuka, T.Mizusaki, M.Hjorth-Jensen

New effective interaction for f5pg9-shell nuclei

NUCLEAR STRUCTURE Z=28-50, N=28-50; calculated two-body matrix elements, monopole matrix elements, single-particle proton and neutron energies, binding energies, magnetic dipole moments, electric quadrupole moments, levels, and B(E2) using shell-model in f5pg9 model space with a new JUN45 effective interaction based on realistic Bonn-C potential. 64,69,70,71,72,73,74,75Ge, 66,82As, 68Se, 70,84Br, 80Ga, 86Rb, 88Y; calculated levels, J, π, and transition matrix elements using shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.064323
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2009SU20      Phys.Rev. C 80, 054306 (2009)

Y.Sun, Y.-C.Yang, H.-L.Liu, K.Kaneko, M.Hasegawa, T.Mizusaki

Projected shell model description for high-spin states in neutron-rich Fe isotopes

NUCLEAR STRUCTURE 58,60,62,64,66,68Fe; calculated levels, J, moment of inertia, B(E2), deformation parameters, yrast band structures using projected shell-model calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.054306
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2008KA19      Phys.Rev. C 77, 064304 (2008); Erratum Phys.Rev. C 78, 049903 (2008)

K.Kaneko, Y.Sun, M.Hasegawa, T.Mizusaki

Structure of upper-g9/2-shell nuclei and shape effect in the 94Ag isomeric states

NUCLEAR STRUCTURE 94Ag; calculated levels, J, π, spectroscopic quadrupole moments, expectation values of proton and neutron numbers, B(E2). 90,91,92,93,94Ru, 91,92,93Tc, 90,92,93,94,95Rh, 92,93,94,95,96Pd, 95Ag, 96,98Cd; calculated level energies, J, π. Comparison with experimental data.

doi: 10.1103/PhysRevC.77.064304
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2008KA41      Phys.Rev. C 78, 064312 (2008)

K.Kaneko, Y.Sun, M.Hasegawa, T.Mizusaki

Shell model study of single-particle and collective structure in neutron-rich Cr isotopes

NUCLEAR STRUCTURE 52,53,54,55,56,57,58,59,60,62Cr; calculated B(E2), levels, single-particle energies. Spherical shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.78.064312
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2007AD27      Nucl.Phys. A788, 70c (2007)

T.Adachi, Y.Fujita, P.von Brentano, G.P.A.Berg, C.Fransen, D.De Frenne, H.Fujita, K.Fujita, K.Hatanaka, M.Honma, E.Jacobs, J.Kamiya, K.Kawase, T.Mizusaki, K.Nakanishi, A.Negret, T.Otsuka, N.Pietralla, L.Popescu, Y.Sakemi, Y.Shimbara, Y.Shimizu, Y.Tameshige, A.Tamii, M.Uchida, T.Wakasa, M.Yosoi, K.O.Zell

Gamow-Teller transitions in pf-shell nuclei studied in (3He, t) reactions

NUCLEAR REACTIONS 42Ca, 46Ti, 50Cr, 54Fe(3He, t), E=140 MeV/nucleon; measured excitation energy spectra. 42Sc, 46V, 50Mn, 54Co deduced Gamow-Teller strength distribution. Comparison with shell model.

doi: 10.1016/j.nuclphysa.2007.01.050
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2007FU14      Phys.Lett. B 650, 9 (2007)

S.Fujii, T.Mizusaki, T.Otsuka, T.Sebe, A.Arima

Microscopic shell-model description of the exotic nucleus 16C

NUCLEAR STRUCTURE 16O; calculated levels, J, π, B(E2), configurations. Shell model, spin-orbit splitting. Comparison with data.

doi: 10.1016/j.physletb.2007.04.067
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2007HA35      Nucl.Phys. A789, 46 (2007)

M.Hasegawa, T.Mizusaki, K.Kaneko, Y.Sun

Enhancement of B(E2)↑ and low excitation of the second 0+ state near N = 40 in Ge isotopes

NUCLEAR STRUCTURE 70,72,74Ge; calculated B(E2) using large scale shell model calculations. Compared results to available data.

doi: 10.1016/j.nuclphysa.2007.02.012
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2007HA48      Phys.Lett. B 656, 51 (2007)

M.Hasegawa, K.Kaneko, T.Mizusaki, Y.Sun

Phase transition in exotic nuclei along the N = Z line

NUCLEAR STRUCTURE 64Ge, 66As, 68Se, 70Br, 72,74,76Kr, 74Rb, 76Sr; calculated levels, J, π, B(E2); deduced configurations, shape co-existence. Large-scale shell model calculations and comparison with data.

doi: 10.1016/j.physletb.2007.09.017
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2007LI84      Eur.Phys.J. Special Topics 150, 135 (2007)

S.N.Liddick, P.F.Mantica, R.V.F.Janssens, B.A.Brown, M.P.Carpenter, A.D.Davies, M.Honma, M.Horoi, T.Mizusaki, A.C.Morton, W.F.Mueller, T.Otsuka, J.Pavan, H.Schatz, A.Stolz, S.L.Tabor, B.E.Tomlin, M.Wiedeking

Beta-delayed γ-ray studies of πf7/2 - νpf shell nuclei

doi: 10.1140/epjst/e2007-00286-4
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2007MI19      Acta Phys.Pol. B38, 1363 (2007)

T.Mizusaki, K.Kaneko, M.Hasegawa

Shell Model Approach to Proton - Neutron Alignment in N ∼ Z Ge - As Nuclei

NUCLEAR STRUCTURE 66Ge, 62,63Ga; calculated level energies, J, π using the nuclear shell model.


2007UT02      Eur.Phys.J. Special Topics 150, 187 (2007)

Y.Utsuno, T.Otsuka, T.Mizusaki, M.Honma

Structure of unstable nuclei in the sd-pf shell region by shell model with proper tensor force

doi: 10.1140/epjst/e2007-00300-y
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2006AD05      Phys.Rev. C 73, 024311 (2006)

T.Adachi, Y.Fujita, P.von Brentano, A.F.Lisetskiy, G.P.A.Berg, C.Fransen, D.De Frenne, H.Fujita, K.Fujita, K.Hatanaka, M.Honma, E.Jacobs, J.Kamiya, K.Kawase, T.Mizusaki, K.Nakanishi, A.Negret, T.Otsuka, N.Pietralla, L.Popescu, Y.Sakemi, Y.Shimbara, Y.Shimizu, Y.Tameshige, A.Tamii, M.Uchida, T.Wakasa, M.Yosoi, K.O.Zell

High-resolution study of Gamow-Teller transitions from the Tz = 1 nucleus 46Ti to the Tz = 0 nucleus 46V

NUCLEAR REACTIONS 46Ti(3He, t), E=140 MeV; measured triton spectra, σ(E, θ=0°); deduced Gamow-Teller transition strengths. 46Ti(e, e'), (γ, γ'), E not given; analyzed B(M1).

doi: 10.1103/PhysRevC.73.024311
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2006HO07      Phys.Rev. C 73, 061305 (2006); Erratum Phys.Rev. C 74, 059904 (2006)

M.Horoi, B.A.Brown, T.Otsuka, M.Honma, T.Mizusaki

Shell model analysis of the 56Ni spectrum in the full pf model space

NUCLEAR STRUCTURE 56Ni; calculated levels, J, π, B(E2), rotational bands. Shell model, comparison with data.

doi: 10.1103/PhysRevC.73.061305
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2006KA39      Phys.Rev. C 74, 024321 (2006); Erratum Phys.Rev. C 74, 049901 (2006)

K.Kaneko, M.Hasegawa, T.Mizusaki, Y.Sun

Magicity and occurrence of a band with enhanced B(E2) in neutron-rich nuclei 68Ni and 90Zr

NUCLEAR STRUCTURE 64,66,68Ni, 86Kr, 88Sr, 90Zr; calculated levels, J, π, B(E2), configurations; deduced shell closure features.

doi: 10.1103/PhysRevC.74.024321
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2006SI37      Phys.Rev.C 74, 064312 (2006)

M.A.G.Silveira, N.H.Medina, J.R.B.Oliveira, J.A.Alcantara-Nunez, E.W.Cybulska, H.Dias, M.N.Rao, R.V.Ribas, W.A.Seale, K.T.Wiedemann, B.A.Brown, M.Honma, T.Mizusaki, T.Otsuka

58Co: Structure of an odd-odd nucleus in the pf shell

NUCLEAR REACTIONS 51V(10B, 2np), E=33, 36 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 58Co deduced high-spin levels, J, π, T1/2, configurations, B(M1), B(E2). Shell-model calculations.

doi: 10.1103/PhysRevC.74.064312
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2005FO14      Phys.Rev. C 72, 044315 (2005)

B.Fornal, S.Zhu, R.V.F.Janssens, M.Honma, R.Broda, B.A.Brown, M.P.Carpenter, S.J.Freeman, N.Hammond, F.G.Kondev, W.Krolas, T.Lauritsen, S.N.Liddick, C.J.Lister, S.Lunardi, P.F.Mantica, N.Marginean, T.Mizusaki, E.F.Moore, T.Otsuka, T.Pawlat, D.Seweryniak, B.E.Tomlin, C.A.Ur, I.Wiedenhover, J.Wrzesinski

Yrast structure of neutron-rich 53Ti

NUCLEAR REACTIONS 208Pb(48Ca, X), E=305 MeV; 238U(48Ca, X), E=330 MeV; measured Eγ, Iγ, γγ-coin. 53Ti deduced levels, J, π. Gammasphere array, cross-coincidence with reaction partners. Comparison with model predictions.

doi: 10.1103/PhysRevC.72.044315
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2005GA15      Acta Phys.Pol. B36, 1227 (2005)

A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.-C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, M.Honma, T.Mizusaki, W.F.Mueller, H.Olliver, T.Otsuka, L.A.Riley, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz

Nuclear spectroscopy with fast exotic beams

NUCLEAR REACTIONS 197Au(52Fe, 52Fe'), (54Ni, 54Ni'), (56Ni, 56Ni'), (58Ni, 58Ni'), E not given; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 52Fe, 54,56,58Ni transitions deduced B(E2). 9Be(32S, 31SX), (33Cl, 32ClX), (34Ar, 33ArX), E not given; measured one-neutron removal σ.


2005HA19      Phys.Rev. C 71, 044301 (2005)

M.Hasegawa, K.Kaneko, T.Mizusaki

Particle alignments and shape change in 66Ge and 68Ge

NUCLEAR STRUCTURE 66,68Ge; calculated levels, J, π, rotational bands, B(E2), B(M1), configurations, deformation. Shell model.

doi: 10.1103/PhysRevC.71.044301
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2005HA30      Phys.Lett. B 617, 150 (2005)

M.Hasegawa, Y.Sun, K.Kaneko, T.Mizusaki

Structure of isomeric states in 66As and 67As

NUCLEAR STRUCTURE 66,67As; calculated levels, J, π, isomeric states, shape coexistence features. Spherical shell model.

doi: 10.1016/j.physletb.2005.05.027
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2005HA70      Phys.Rev. C 72, 064320 (2005)

M.Hasegawa, K.Kaneko, T.Mizusaki

Unique features of structure in an odd-proton N ≈ Z nucleus 69As

NUCLEAR STRUCTURE 69As; calculated levels, J, π, configurations, deformation. Large-scale shell model approach, comparison with data.

doi: 10.1103/PhysRevC.72.064320
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2005HO32      Eur.Phys.J. A 25, Supplement 1, 499 (2005)

M.Honma, T.Otsuka, B.A.Brown, T.Mizusaki

Shell-model description of neutron-rich pf-shell nuclei with a new effective interaction GXPF1

NUCLEAR STRUCTURE 42,44,46,48,50,52,54,56,58Ca, 44,46,48,50,52,54,56,58,60Ti, 48,50,52,54,56,58,60,62Cr; calculated 2+ excited states energies, single-particle level energies. 53,54,55,56Ti; calculated levels, J, π. Shell model, modified effective interaction, comparisons with data.

doi: 10.1140/epjad/i2005-06-032-2
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2005KA04      Phys.Rev. C 71, 014319 (2005)

K.Kaneko, R.F.Casten, M.Hasegawa, T.Mizusaki, J.-y.Zhang, E.A.McCutchan, N.V.Zamfir, R.Krucken

Anomalous behavior of the first excited 0+ state in N ≈ Z nuclei

NUCLEAR STRUCTURE Ne, Mg, Ti, Cr, Fe; analyzed excited states energies; deduced role of proton-neutron correlations in anomalous behavior.

doi: 10.1103/PhysRevC.71.014319
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2005SI28      J.Phys.(London) G31, S1577 (2005)

M.A.G.Silveira, N.H.Medina, J.A.Alcantara-Nunez, E.W.Cybulska, H.Dias, J.R.B.Oliveira, M.N.Rao, R.V.Ribas, W.A.Seale, K.T.Wiedemann, B.A.Brown, M.Honma, T.Mizusaki, T.Otsuka

Nuclear structure of the odd-odd nucleus 58Co

NUCLEAR REACTIONS 51V(10B, 2np), E=33, 36 MeV; measured Eγ, Iγ, γγ-coin, DSA. 58Co deduced levels, J, π, T1/2, B(M1). Comparison with shell model predictions.

doi: 10.1088/0954-3899/31/10/036
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2004HA15      Phys.Rev. C 69, 034324 (2004)

M.Hasegawa, K.Kaneko, T.Mizusaki, S.Tazaki

Different particle alignments in N ≈ Z Ru isotopes studied by the shell model

NUCLEAR STRUCTURE 88,89,90,91,92,93,94Ru; calculated levels, J, π, B(E2), rotational bands features. Shell model, pairing-plus-quadrupole-quadrupole interaction. Comparison with data.

doi: 10.1103/PhysRevC.69.034324
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2004HA43      Phys.Rev. C 70, 031301 (2004)

M.Hasegawa, K.Kaneko, T.Mizusaki

Proton-neutron alignment in the yrast states of 66Ge and 68Ge

NUCLEAR STRUCTURE 66,68Ge; calculated levels, J, π, rotational bands, particle alignment features. Comparison with data.

doi: 10.1103/PhysRevC.70.031301
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2004HO08      Phys.Rev. C 69, 034335 (2004)

M.Honma, T.Otsuka, B.A.Brown, T.Mizusaki

New effective interaction for pf-shell nuclei and its implications for the stability of the N = Z = 28 closed core

NUCLEAR STRUCTURE 53Mn, 54Fe, 54,55Co, 56,57,58,59Ni, 58Cu; calculated levels, J, π, B(M1), B(E2). Shell model, new effective interaction, comparison with data.

NUCLEAR MOMENTS 47,49Ca, 47Sc, 47,48,49,50Ti, 48,49,50,51V, 49,50,51,52,53,54Cr, 51,52,53,54,55,56Mn, 53,54,55,56,57,58,59Fe, 55,56,57,58,59,60Co, 57,58,59,60,61,62,63,64,65,67Ni, 60,61,62,63,64,65,66Cu, 62,63,64,65,66,67,68,70Zn, 66,67,68,69,71Ga, 69,70,71,72Ge; calculated μ, quadrupole moments. Comparison with data.

doi: 10.1103/PhysRevC.69.034335
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2004KA57      Phys.Rev. C 70, 051301 (2004)

K.Kaneko, M.Hasegawa, T.Mizusaki

Shape transition and oblate-prolate coexistence in N=Z fpg-shell nuclei

NUCLEAR STRUCTURE 60Zn, 64Ge, 68Se, 72Kr; calculated levels, J, π, quadrupole moments, configurations, potential energy surfaces, shape coexistence features. Shell-model and constrained Hartree-Fock model calculations, comparison with data.

doi: 10.1103/PhysRevC.70.051301
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2004LI12      Phys.Rev.Lett. 92, 072502 (2004)

S.N.Liddick, P.F.Mantica, R.V.F.Janssens, R.Broda, B.A.Brown, M.P.Carpenter, B.Fornal, M.Honma, T.Mizusaki, A.C.Morton, W.F.Mueller, T.Otsuka, J.Pavan, A.Stolz, S.L.Tabor, B.E.Tomlin, M.Wiedeking

Lowest Excitations in 56Ti and the Predicted N = 34 Shell Closure

RADIOACTIVITY 56Sc(β-) [from 9Be(86Kr, X)]; measured β-delayed Eγ, Iγ, βγ-coin. 56Ti deduced levels, J, π, configurations, shell closure features. Mass-separated source. Comparison with shell model predictions.

doi: 10.1103/PhysRevLett.92.072502
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2004LI75      Phys.Rev. C 70, 064303 (2004)

S.N.Liddick, P.F.Mantica, R.Broda, B.A.Brown, M.P.Carpenter, A.D.Davies, B.Fornal, T.Glasmacher, D.E.Groh, M.Honma, M.Horoi, R.V.F.Janssens, T.Mizusaki, D.J.Morrissey, A.C.Morton, W.F.Mueller, T.Otsuka, J.Pavan, H.Schatz, A.Stolz, S.L.Tabor, B.E.Tomlin, M.Wiedeking

Development of shell closures at N = 32, 34. I. β decay of neutron-rich Sc isotopes

RADIOACTIVITY 54,55,56Sc(β-) [from Be(86Kr, X)]; measured Eβ, Eγ, βγ-coin, T1/2. 54,55,56Ti deduced levels, J, π, configurations. Comparison with model predictions.

doi: 10.1103/PhysRevC.70.064303
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2004MI44      Phys.Rev. C 70, 044316 (2004)

T.Mizusaki

Extrapolation method in shell model calculations with a deformed basis

NUCLEAR STRUCTURE 48Cr, 60Zn; calculated level energies, effects of extrapolation method.

doi: 10.1103/PhysRevC.70.044316
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2004SH46      Phys.Rev. C 70, 054313 (2004); Erratum Phys.Rev. C 74, 059903 (2006)

N.Shimizu, T.Otsuka, T.Mizusaki, M.Honma

Anomalous properties of quadrupole collective states in 136Te and beyond

NUCLEAR STRUCTURE 134,136,138,140Te, 134,136,138Sn; calculated level energies, B(E2), quadrupole matrix elements, g factors. 136Te levels calculated quadrupole moments, μ. Monte Carlo shell model.

doi: 10.1103/PhysRevC.70.054313
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2004UT03      Phys.Rev. C 70, 044307 (2004)

Y.Utsuno, T.Otsuka, T.Glasmacher, T.Mizusaki, M.Honma

Onset of intruder ground state in exotic Na isotopes and evolution of the N = 20 shell gap

NUCLEAR STRUCTURE 27,28,29,30,31Na; analyzed quadrupole moments, μ, two-neutron separation energies, excited levels J, configurations; deduced onset of intruder ground state. Monte Carlo shell model approach.

doi: 10.1103/PhysRevC.70.044307
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2004YU07      Phys.Rev. C 70, 034301 (2004)

K.L.Yurkewicz, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.-C.Dinca, A.Gade, T.Glasmacher, M.Honma, T.Mizusaki, W.F.Mueller, H.Olliver, T.Otsuka, L.A.Riley, J.R.Terry

Intermediate-energy Coulomb excitation of 52Fe

NUCLEAR REACTIONS 197Au(52Fe, 52Fe'), E=56.9 MeV/nucleon; measured σ(θ), Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 52Fe transition deduced B(E2). Comparisons with neighboring nuclides.

doi: 10.1103/PhysRevC.70.034301
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2004YU10      Phys.Rev. C 70, 054319 (2004)

K.L.Yurkewicz, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, A.Gade, T.Glasmacher, M.Honma, T.Mizusaki, W.F.Mueller, H.Olliver, T.Otsuka, L.A.Riley, J.R.Terry

Nuclear structure in the vicinity of N=Z=28 56Ni

NUCLEAR REACTIONS 197Au(58Ni, 58Ni'), E=77.8 MeV/nucleon; 197Au(56Ni, 56Ni'), E=85.8 MeV/nucleon; 197Au(54Ni, 54Ni'), E=70.3 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 54,56,58Ni levels deduced excitation B(E2). Comparison with model predictions.

doi: 10.1103/PhysRevC.70.054319
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2004YU11      Phys.Rev. C 70, 064321 (2004)

K.L.Yurkewicz, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.-C.Dinca, A.Gade, T.Glasmacher, M.Honma, T.Mizusaki, W.F.Mueller, H.Olliver, T.Otsuka, L.A.Riley, J.R.Terry

E2 excitation strength in 55Ni: Coupling of the 56Ni 2+1 collective core vibration to the f7/2 odd neutron hole

NUCLEAR REACTIONS 197Au(55Ni, 55Ni'), E=84.8 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 55Ni deduced level, transition B(E2). Comparison with model predictions.

doi: 10.1103/PhysRevC.70.064321
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2003LI38      Phys.Rev. C 68, 034316 (2003)

A.F.Lisetskiy, N.Pietralla, M.Honma, A.Schmidt, I.Schneider, A.Gade, P.von Brentano, T.Otsuka, T.Mizusaki, B.A.Brown

Experimental evidence for 56Ni-core breaking from the low-spin structure of the N = Z nucleus 5829Cu29

NUCLEAR REACTIONS 58Ni(p, nγ), E=14 MeV; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 58Cu deduced levels, J, π, δ, B(E2), B(M1), analog states features. Comparison with model predictions.

doi: 10.1103/PhysRevC.68.034316
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2003MI07      Phys.Rev. C 67, 041301 (2003)

T.Mizusaki, M.Imada

Precise estimation of shell model energy by second-order extrapolation method

NUCLEAR STRUCTURE 48,49Cr; calculated ground-state energies. 64Zn; calculated level energy, transition B(E2). Truncated spaces, second-order extrapolation method, comparison with exact results.

doi: 10.1103/PhysRevC.67.041301
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2002HO08      Phys.Rev. C65, 061301 (2002)

M.Honma, T.Otsuka, B.A.Brown, T.Mizusaki

Effective Interaction for pf-Shell Nuclei

NUCLEAR STRUCTURE Ca, Ti, Cr, Fe, Ni; calculated 2+ energy levels, single-particle energies. 56,57,58,59,61,63,65Ni; calculated levels, J, π. Unified effective interaction, comparisons with data.

doi: 10.1103/PhysRevC.65.061301
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2002HO12      Nucl.Phys. A704, 134c (2002)

M.Honma, B.A.Brown, T.Mizusaki, T.Otsuka

Full pf-Shell Calculations with a New Effective Interaction

NUCLEAR STRUCTURE Z=20-32; calculated binding energies. 56Ni; calculated single-particle energies. 48Ca, 50Ti, 52Cr, 54Fe, 56,58,60,62,64,66Ni; calculated level energies, B(E2), quadrupole moments. Shell model, comparison with data.

doi: 10.1016/S0375-9474(02)00774-1
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2002JA16      Phys.Lett. 546B, 55 (2002)

R.V.F.Janssens, B.Fornal, P.F.Mantica, B.A.Brown, R.Broda, P.Bhattacharyya, M.P.Carpenter, M.Cinausero, P.J.Daly, A.D.Davies, T.Glasmacher, Z.W.Grabowski, D.E.Groh, M.Honma, F.G.Kondev, W.Krolas, T.Lauritsen, S.N.Liddick, S.Lunardi, N.Marginean, T.Mizusaki, D.J.Morrissey, A.C.Morton, W.F.Mueller, T.Otsuka, T.Pawlat, D.Seweryniak, H.Schatz, A.Stolz, S.L.Tabor, C.A.Ur, G.Viesti, I.Wiedenhover, J.Wrzesinski

Structure of 52, 54Ti and shell closures in neutron-rich nuclei above 48Ca

RADIOACTIVITY 54Sc(β-) [from 9Be(86Kr, X)]; measured Eγ, Iγ, βγ-coin, T1/2. 54Ti deduced levels, possible J, π, shell features. Mass separator, comparisons with model predictions.

NUCLEAR REACTIONS 208Pb(48Ca, X)50Ti/51Ti/52Ti/53Ti/54Ti/196Hg, E=305 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin following deep-inelastic reactions. 52,54Ti deduced levels, J, π, configurations, shell features. Gammasphere array, comparison with model predictions.

doi: 10.1016/S0370-2693(02)02682-5
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2002KA60      Phys.Rev. C 66, 051306 (2002)

K.Kaneko, M.Hasegawa, T.Mizusaki

Quadrupole and octupole softness in the N=Z nucleus 64Ge

NUCLEAR STRUCTURE 64Ge; calculated levels, J, π, quadrupole and octupole correlations. Shell model.

doi: 10.1103/PhysRevC.66.051306
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2002MI23      Phys.Rev. C65, 064319 (2002)

T.Mizusaki, M.Imada

Extrapolation Method for Shell Model Calculations

NUCLEAR STRUCTURE 48Cr, 54Fe, 56Ni; calculated shell-model energy. 48Cr; calculated quadrupole moments, B(E2). Extrapolation method.

doi: 10.1103/PhysRevC.65.064319
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2002MI26      Nucl.Phys. A704, 190c (2002)

T.Mizusaki, T.Otsuka, M.Honma, B.A.Brown

Normal and Superdeformation in 56Ni

NUCLEAR STRUCTURE 56Ni, 58Cu, 64Ge; calculated levels, J, π, rotational bands, shape coexistance features.

doi: 10.1016/S0375-9474(02)00779-0
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2002OS07      Phys.Lett. 546B, 48 (2002)

A.Osa, T.Czosnyka, Y.Utsuno, T.Mizusaki, Y.Toh, M.Oshima, M.Koizumi, Y.Hatsukawa, J.Katakura, T.Hayakawa, M.Matsuda, T.Shizuma, M.Sugawara, T.Morikawa, H.Kusakari

First measurement of the quadrupole moment in the 2+1 state of 84Kr

NUCLEAR REACTIONS 98Mo, Ta(84Kr, 84Kr'), E=250 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 84Kr level deduced quadrupole moment, B(E2). Comparisons with large-scale shell model predictions.

doi: 10.1016/S0370-2693(02)02660-6
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2002OT01      Eur.Phys.J. A 13, 69 (2002)

T.Otsuka, Y.Utsuno, R.Fujimoto, B.A.Brown, M.Honma, T.Mizusaki

Frontiers and Challenges of the Nuclear Shell Model

NUCLEAR STRUCTURE Z=8-20; calculated levels, shell features far from stability. Monte Carlo shell model.

doi: 10.1007/s10050-002-8721-5
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2002OT03      Eur.Phys.J. A 15, 151 (2002)

T.Otsuka, Y.Utsuno, R.Fujimoto, B.A.Brown, M.Honma, T.Mizusaki

Frontiers and challenges of nuclear shell model

doi: 10.1140/epja/i2001-10244-6
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2002SH27      Nucl.Phys. A704, 244c (2002)

N.Shimizu, T.Otsuka, T.Mizusaki, M.Honma

Collective Excitations of Nuclei in the Monte-Carlo Shell Model

NUCLEAR STRUCTURE 138,140,142,144,146,148,150Ba; calculated levels, J, π, B(E2). 132Xe; calculated levels, J, π, B(E2), triaxial deformation. Monte Carlo shell model.

doi: 10.1016/S0375-9474(02)00784-4
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2002UT01      Nucl.Phys. A704, 50c (2002)

Y.Utsuno, T.Otsuka, T.Mizusaki, M.Honma

Monte Carlo Shell Model Calculation for Unstable Nuclei Around N = 20

NUCLEAR STRUCTURE O, Ne, Mg, Si; calculated two-neutron separation energies, level energies for neutron-rich nuclides. 31Na, 34Si; calculated levels, J, π. Monte Carlo shell model.

doi: 10.1016/S0375-9474(02)00765-0
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2002UT02      Prog.Theor.Phys.(Kyoto), Suppl. 146, 488 (2002)

Y.Utsuno, T.Otsuka, T.Mizusaki, M.Honma

Electromagnetic Moments of Exotic Na Isotopes and Their Relation to the N = 20 Shell Gap

NUCLEAR STRUCTURE 27,28,29,30,31Na; calculated μ, quadrupole moments, configurations; deduced role of shell gap. Monte Carlo shell model, comparison with data.

doi: 10.1143/PTPS.146.488
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2001MI11      Phys.Rev. C63, 044306 (2001)

T.Mizusaki, T.Otsuka, M.Honma, B.A.Brown

Spherical-Deformed Shape Coexistence for the pf Shell in the Nuclear Shell Model

NUCLEAR STRUCTURE 48Ca, 50Ti, 52Cr, 54Fe, 56Ni; calculated levels, J, π, deformation, shape coexistence features. Shell model, several methods compared.

doi: 10.1103/PhysRevC.63.044306
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2001OT01      Nucl.Phys. A682, 155c (2001)

T.Otsuka, Y.Utsuno, T.Mizusaki, M.Honma

Shell Model Results for Neutron-Rich Nuclei

NUCLEAR STRUCTURE 26,28,30,32,34Ne, 28,30,32,34,36Mg; calculated level energies, transitions B(E2), g factors. Monte Carlo shell model.

doi: 10.1016/S0375-9474(00)00634-5
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2001OT02      Nucl.Phys. A685, 100c (2001)

T.Otsuka, Y.Utsuno, T.Mizusaki, M.Honma

Exotic Nuclei in the Monte Carlo Shell Model Calculations

NUCLEAR STRUCTURE 56Ni; calculated levels, J, π, rotational bands. 26,28,30,32,34Ne, 28,30,32,34,36Mg; calculated level energies, B(E2). Monte Carlo shell model, comparisons with data.

doi: 10.1016/S0375-9474(01)00532-2
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2001OT03      Prog.Part.Nucl.Phys. 46, 155 (2001)

T.Otsuka, Y.Utsuno, M.Honma, T.Mizusaki

Structure of Unstable Nuclei

NUCLEAR STRUCTURE 48Cr, 56Ni, 26,28,30,32,34Ne, 28,30,32,34,36,38Mg; calculated levels, J, π. Monte Carlo shell model, comparison with data.

doi: 10.1016/S0146-6410(01)00119-3
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2001OT04      Phys.Rev.Lett. 87, 082502 (2001)

T.Otsuka, R.Fujimoto, Y.Utsuno, B.A.Brown, M.Honma, T.Mizusaki

Magic Numbers in Exotic Nuclei and Spin-Isospin Properties of the NN Interaction

NUCLEAR STRUCTURE 24O, 30Si; calculated effective single-particle energy levels. 9He, 11Be, 13C; calculated levels, J, π. 24O, 26Ne, 28Mg, 30Si, 32S, 34Ar, 36Ca; calculated effective shell gap. Shell-model magic numbers in exotic nuclides, role of spin-isospin contribution discussed.

doi: 10.1103/PhysRevLett.87.082502
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2001OT06      Prog.Part.Nucl.Phys. 47, 319 (2001)

T.Otsuka, M.Honma, T.Mizusaki, N.Shimizu, Y.Utsuno

Monte Carlo Shell Model for Atomic Nuclei

doi: 10.1016/S0146-6410(01)00157-0
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2001SH06      Phys.Rev.Lett. 86, 1171 (2001)

N.Shimizu, T.Otsuka, T.Mizusaki, M.Honma

Transition from Spherical to Deformed Shapes of Nuclei in the Monte Carlo Shell Model

NUCLEAR STRUCTURE 138,140,142,144,146,148,150Ba; calculated energy levels, transitions B(E2), deformation features. Monte Carlo shell model.

doi: 10.1103/PhysRevLett.86.1171
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2001UT02      Phys.Rev. C64, 011301 (2001)

Y.Utsuno, T.Otsuka, T.Mizusaki, M.Honma

Extreme Location of F Drip Line and Disappearance of the N = 20 Magic Structure

NUCLEAR STRUCTURE 25Mg, 31Na, 34Si; calculated levels, J, π. 29F, 30Ne, 31Na, 32Mg, 33Al, 34Si; calculated two-neutron separation energies. Monte Carlo shell model, comparisons with data and other calculations.

doi: 10.1103/PhysRevC.64.011301
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2000MI25      Phys.Scr. T88, 107 (2000)

T.Mizusaki, T.Otsuka, M.Honma, B.A.Brown

Doubly-Deformed Bands in Doubly-Magic 56Ni

NUCLEAR STRUCTURE 56Ni; calculated levels, J, π, potential energy surfaces, configurations. Monte Carlo shell model.

doi: 10.1238/Physica.Topical.088a00107
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2000OT01      Prog.Theor.Phys.(Kyoto), Suppl. 138, 24 (2000)

T.Otsuka, N.Shimizu, S.Haruyama, M.Honma, T.Mizusaki, A.Taketani, Y.Utsuno, Y.Watanabe

Monte Carlo Shell Model Calculations for Atomic Nuclei and Their Parallel Computing

NUCLEAR STRUCTURE 48Cr; calculated levels, J, π. Quantum Monte Carlo diagonalization method.

doi: 10.1143/PTPS.138.24
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2000SM11      Nucl.Phys. A678, 235 (2000)

N.A.Smirnova, N.Pietralla, T.Mizusaki, P.Van Isacker

Interrelation between the Isoscalar Octupole Phonon and the Proton-Neutron Mixed-Symmetry Quadrupole Phonon in Near-Spherical Nuclei

doi: 10.1016/S0375-9474(00)00331-6
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2000WA24      Prog.Theor.Phys.(Kyoto), Suppl. 138, 43 (2000)

Y.Watanabe, N.Shimizu, S.Haruyama, M.Honma, T.Mizusaki, A.Taketani, Y.Utsuno, T.Otsuka

A Workstation Farm Optimized for Monte Carlo Shell Model Calculations: Alphleet

doi: 10.1143/PTPS.138.43
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1999HA40      Phys.Rev.Lett. 83, 1922 (1999)

K.Hara, Y.Sun, T.Mizusaki

Backbending Mechanism of 48Cr

NUCLEAR STRUCTURE 48Cr; calculated rotational bands transition energies, B(E2); deduced backbending mechanism. Projected shell model, generator coordinate methods.

doi: 10.1103/PhysRevLett.83.1922
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1999MI07      Phys.Rev. C59, R1846 (1999)

T.Mizusaki, T.Otsuka, Y.Utsuno, M.Honma, T.Sebe

Shape Coexistence in Doubly-Magic 56Ni by the Monte Carlo Shell Model

NUCLEAR STRUCTURE 56Ni; calculated levels, J, π, B(E2). Monte Carlo shell model.

doi: 10.1103/PhysRevC.59.R1846
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1999OT01      J.Phys.(London) G25, 699 (1999)

T.Otsuka, T.Mizusaki, M.Honma

Monte Carlo Shell-Model Calculations

NUCLEAR STRUCTURE 48Cr, 64Ge, 56Ni; calculated levels, J, π. Quantum Monte Carlo diagonalization method, several two-body interactions compared.

doi: 10.1088/0954-3899/25/4/023
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1999UT02      Phys.Rev. C60, 054315 (1999)

Y.Utsuno, T.Otsuka, T.Mizusaki, M.Honma

Varying Shell Gap and Deformation in N ∼ 20 Unstable Nuclei Studied by the Monte Carlo Shell Model

NUCLEAR STRUCTURE 28Ne, 32Mg, 34Si; calculated potential energy surfaces. O, Ne, Mg, Si; calculated two-neutron separation energies, level energies, B(E2), related features; deduced shell gap, deformation roles. Shell model Monte Carlo approach.

doi: 10.1103/PhysRevC.60.054315
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1998OT01      Phys.Rev.Lett. 81, 1588 (1998)

T.Otsuka, M.Honma, T.Mizusaki

Structure of the N = Z = 28 Closed Shell Studied by Monte Carlo Shell Model Calculation

NUCLEAR STRUCTURE 56Ni; calculated levels, J, π, doubly closed shell configuration probability. Quantum Monte Carlo approach.

doi: 10.1103/PhysRevLett.81.1588
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1998PI01      Phys.Rev. C57, 150 (1998)

N.Pietralla, T.Mizusaki, P.von Brentano, R.V.Jolos, T.Otsuka, V.Werner

21+ and 22+ States in Collective Nuclei as Multiple Q-Phonon Excitations

doi: 10.1103/PhysRevC.57.150
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1997MI14      Acta Phys.Pol. B28, 91 (1997)

T.Mizusaki, M.Honma, T.Otsuka

Quantum Monte Carlo Diagonalization Method for Realistic Shell Model Calculations

NUCLEAR STRUCTURE 48Cr, 54Fe; calculated levels vs basis dimension. Quantum Monte Carlo Diagonalization method.


1996HO20      Phys.Rev.Lett. 77, 3315 (1996)

M.Honma, T.Mizusaki, T.Otsuka

Nuclear Shell Model by the Quantum Monte Carlo Diagonalization Method

NUCLEAR STRUCTURE 24Mg, 64Ge; calculated levels, E2 properties. Shell model, quantum Monte Carlo diagonalization method.

doi: 10.1103/PhysRevLett.77.3315
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1996KI08      Nucl.Phys. A604, 163 (1996)

K.-H.Kim, A.Gelberg, T.Mizusaki, T.Otsuka, P.von Brentano

IBM-2 Calculations of Even-Even Pd Nuclei

NUCLEAR STRUCTURE 102,104,106,108,110,112,118,120,122,124,126Pd; calculated levels, B(λ). Proton-neutron interacting boson model.

doi: 10.1016/0375-9474(96)00128-5
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1996MI02      Nucl.Phys. A598, 47 (1996)

T.Mizusaki, T.Otsuka, P.von Brentano

IBM Approach to the Rotational Damping

doi: 10.1016/0375-9474(95)00493-9
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