Nuclear Science References (NSR)

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NSR database version of April 27, 2024.

Search: Author = M.Oi

Found 28 matches.

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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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2012ID06 Prog.Theor.Phys.(Kyoto), Suppl. 196, 427 (2012)

E.Ideguchi, S.Ota, T.Morikawa, M.Oshima, M.Koizumi, Y.Toh, A.Kimura, H.Harada, K.Furutaka, S.Nakamura, F.Kitatani, Y.Hatsukawa, T.Shizuma, M.Sugawara, Y.X.Watanabe, Y.Hirayama, M.Oi

Superdeformed Band in Asymmetric N > Z Nucleus, ⁴⁰Ar and High-Spin States in A = 30 ∼ 40 Nuclei

NUCLEAR REACTIONS ³⁷Cl(α, pγ)⁴⁰Ar, E not given; ²⁶Mg(¹⁸O, 2n2p)⁴⁰Ar, E=70 MeV; analyzed experimental data; calculated excitation energy and pairing gap, angular momentum, moment of inertia, structure of superdeformed band. HFB calculations, comparison with experimental data.

doi: 10.1143/PTPS.196.427
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2010ID02 Phys.Lett. B 686, 18 (2010)

E.Ideguchi, S.Ota, T.Morikawa, M.Oshima, M.Koizumi, Y.Toh, A.Kimura, H.Harada, K.Furutaka, S.Nakamura, F.Kitatani, Y.Hatsukawa, T.Shizuma, M.Sugawara, H.Miyatake, Y.X.Watanabe, Y.Hirayama, M.Oi

Superdeformation in asymmetric N > Z nucleus ⁴⁰Ar

NUCLEAR REACTIONS ²⁶Mg(¹⁸O, 2n2p), E=69 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using Gemini-II and Si-Ball detector arrays. ⁴⁰Ar; deduced levels, J, π, deformation, related features and lifetimes using DSA; calculated configuration using HFB method. Comparison with ³⁶Ar and ⁴⁰Ca systematics.

doi: 10.1016/j.physletb.2010.02.031
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2008OI01 Int.J.Mod.Phys. E17, Supplement 1, 177 (2008)

M.Oi

Study of the K-mixing effect through angular momentum projection

NUCLEAR STRUCTURE ¹⁸⁰W; calculated K-mixing, distribution of J. deduced K-parity selection rule. Triaxial deformed Nilsson single-particle states.

doi: 10.1142/S0218301308011847
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2008SH12 Phys.Rev. C 77, 047303 (2008)

T.Shizuma, T.Ishii, H.Makii, T.Hayakawa, M.Matsuda, S.Shigematsu, E.Ideguchi, Y.Zheng, M.Liu, T.Morikawa, M.Oi

One-quasiparticle bands in neutron-rich ¹⁸⁷W

NUCLEAR REACTIONS ¹⁸⁶W(¹⁸O, ¹⁷O), E=180 MeV; measured Eγ, Iγ, γγ-coin. ¹⁸⁷W; deduced levels, J, π, band structures and configurations. ^16,17,18,19O; measured ion energy losses.

doi: 10.1103/PhysRevC.77.047303
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2007AO03 Nucl.Phys. A790, 307c (2007)

S.Aoyama, N.Itagaki, M.Oi

A systematic analysis of cluster components in He-isotopes by using a new AMD approach

NUCLEAR STRUCTURE ^{4,5,6,7,8,9,10}He; calculated binding energies, clustering effects. Antisymmetrized molecular dynamics.

doi: 10.1016/j.nuclphysa.2007.03.055
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2007OI01 Phys.Rev. C 76, 044308 (2007)

M.Oi

Description of superdeformed bands in light N = Z nuclei using the cranked Hartree-Fock-Bogoliubov method

NUCLEAR STRUCTURE ³⁶Ar, ⁴⁰Ca; calculated occupation numbers, shapes and angular momentum for superdeformed bands. Cranked Hartree-Fock-Bogoliubov method.

doi: 10.1103/PhysRevC.76.044308
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2006AO01 Phys.Rev. C 74, 017307 (2006)

S.Aoyama, N.Itagaki, M.Oi

Systematic analyses of the t-t clustering effect in He isotopes

NUCLEAR STRUCTURE ^{4,5,6,7,8,9,10}He; calculated binding energies, clustering effects. Antisymmetrized molecular dynamics, generator coordinate method.

doi: 10.1103/PhysRevC.74.017307
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2006OI01 Phys.Lett. B 634, 30 (2006)

M.Oi

Semi-classical and anharmonic quantum models of nuclear wobbling motion

doi: 10.1016/j.physletb.2005.12.061
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2006SH23 Eur.Phys.J. A 30, 391 (2006)

T.Shizuma, T.Ishii, H.Makii, T.Hayakawa, S.Shigematsu, M.Matsuda, E.Ideguchi, Y.Zheng, M.Liu, T.Morikawa, P.M.Walker, M.Oi

Excited states in neutron-rich ¹⁸⁸W produced by an ¹⁸O-induced 2-neutron transfer reaction

NUCLEAR REACTIONS ¹⁸⁶W(¹⁸O, ¹⁶O), E=180 MeV; measured Eγ, Iγ, (particle)γ-coin. ¹⁸⁸W deduced levels, J, π, configurations. Level systematics in neighboring isotopes discussed.

doi: 10.1140/epja/i2006-10139-0
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2005OI01 J.Phys.(London) G31, S1753 (2005)

M.Oi, J.Fletcher

Problems in nuclear wobbling motion

NUCLEAR STRUCTURE ¹⁶³Lu; calculated wobbling phonon excitation energy. Spin-dependent approach, comparison with data.

doi: 10.1088/0954-3899/31/10/067
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2005OI02 Phys.Rev. C 72, 057304 (2005)

M.Oi

Description of the yrast states in ²⁴Mg by the self-consistent 3D-cranking model

NUCLEAR STRUCTURE ²⁴Mg; calculated ground-state rotational band energies; deduced triaxial deformation. Self-consistent 3D-cranking model.

doi: 10.1103/PhysRevC.72.057304
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2004OI01 Prog.Theor.Phys.(Kyoto), Suppl. 154, 161 (2004)

M.Oi

On Applications of the 3D-Cranking Model to Even-Even Systems with Triaxiality and Octupolarity

NUCLEAR STRUCTURE ¹⁴³Ce; calculated potential energy surface. Three-dimensional cranking model.

doi: 10.1143/PTPS.154.161
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2003OI01 Phys.Lett. B 576, 75 (2003)

M.Oi, P.M.Walker

Three-dimensional rotation of even-even triaxial nuclei

NUCLEAR STRUCTURE ¹³⁴Ce; calculated energy vs deformation and spin; deduced chiral rotation, dynamical modes, related features. Three-dimensional cranked HFB approach.

doi: 10.1016/j.physletb.2003.09.084
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2002OI01 Phys.Lett. 525B, 255 (2002)

M.Oi, P.M.Walker, A.Ansari

A Self-Consistent Quantal Description of High-K States in the Tilted-Axis Cranking Model

NUCLEAR STRUCTURE ¹⁷⁸W; calculated level energies vs spin, rotational bands features. Tilted-axis cranking approach, self-consistent quantal description.

doi: 10.1016/S0370-2693(01)01451-4
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2002OI03 Prog.Theor.Phys.(Kyoto), Suppl. 146, 609 (2002)

M.Oi, P.H.Regan, R.R.Xu, P.M.Walker, A.K.Rath, P.D.Stevenson

Cranked-Hartree-Fock-Bogoliubov Analysis at the Valence Maximum: Yrast Behaviour of ¹⁷⁰₆₆Dy₁₀₄

NUCLEAR STRUCTURE ¹⁷⁰Dy; calculated deformation vs angular momentum. Cranked-Hartree-Fock-Bogoliubov approach.

doi: 10.1143/PTPS.146.609
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2002RE11 Phys.Rev. C65, 037302 (2002)

P.H.Regan, F.R.Xu, P.M.Walker, M.Oi, A.K.Rath, P.D.Stevenson

Structure of the Doubly Midshell Nucleus ₆₆¹⁷⁰Dy₁₀₄

NUCLEAR STRUCTURE ¹⁷⁰Dy; calculated total Routhian surfaces, deformation features, rotational band moment of inertia.

doi: 10.1103/PhysRevC.65.037302
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2001OI03 Phys.Lett. 505B, 75 (2001)

M.Oi, P.M.Walker, A.Ansari

Shape Coexistence and Tilted-Axis Rotation in Neutron-Rich Hafnium Isotopes

NUCLEAR STRUCTURE ¹⁸²Hf; calculated rotational bands energy vs spin, shape coexistence features, high-K isomeric state. Tilted-axis cranking approach.

doi: 10.1016/S0370-2693(01)00350-1
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2001OI05 Acta Phys.Pol. B32, 2559 (2001)

M.Oi, A.Ansari, T.Horibata, N.Onishi, P.M.Walker

Wobbling Motion in the Multi-Bands Crossing Region: Dynamical coupling mode between high- and low-K states

NUCLEAR STRUCTURE ¹⁸²Os; analyzed rotational band energies, transition rates; deduced role of wobbling motion in signature inversion and signature splitting. Generator coordinate method after angular momentum projection.

2000OI03 Phys.Lett. 480B, 53 (2000)

M.Oi, A.Ansari, T.Horibata, N.Onishi

Wobbling Motion in the Multi-Bands Crossing Region

NUCLEAR STRUCTURE ¹⁸²Os; calculated rotational bands energies, signature inversion and backbending features. Generator coodrdinate method after angular momentum projection.

doi: 10.1016/S0370-2693(00)00364-6
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1999AN31 Phys.Lett. 460B, 24 (1999)

A.Ansari, M.Oi, N.Onishi, T.Horibata

High-K Exotics in Osmium Isotopes

NUCLEAR STRUCTURE ^182,184Os; calculated yrast energy vs spin, deformation, tilt angle; deduced high-K bands, rotational band mixing features. Tilted-axis cranking approach.

doi: 10.1016/S0370-2693(99)00723-6
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1999AN38 Nucl.Phys. A654, 558 (1999)

A.Ansari, M.Oi, N.Onishi, T.Horibata

High-Spin Structure of ^{182, 184}Os in Tilted Axis Cranking Approach

NUCLEAR STRUCTURE ^182,184Os; calculated rotational bands energies, deformation parameters, related features. Self-consistent tilted-axis cranking approach, pairing-plus-quadrupole interaction.

doi: 10.1016/S0375-9474(99)00241-9
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1999HO03 Nucl.Phys. A646, 277 (1999); Erratum Nucl.Phys. A651, 435 (1999)

T.Horibata, M.Oi, N.Onishi, A.Ansari

Band Structures of ¹⁸²Os Studied by GCM Based on 3D-CHFB

NUCLEAR STRUCTURE ¹⁸²Os; calculated rotational band structure; deduced tilted axis rotation. Generator coordinate method.

doi: 10.1016/S0375-9474(98)00642-3
Citations: PlumX Metrics

1999HO11 J.Phys.(London) G25, 885 (1999)

T.Horibata, M.Oi, N.Onishi

Band Crossing Studied by GCM with 3D-CHFB

doi: 10.1088/0954-3899/25/4/061
Citations: PlumX Metrics

1998OI01 Phys.Lett. 418B, 1 (1998)

M.Oi, N.Onishi, N.Tajima, T.Horibata