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NSR database version of April 11, 2024.

Search: Author = T.Suhara

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2023FU02      Prog.Theor.Exp.Phys. 2023, 063D02 (2023)

T.Furumoto, T.Suhara, N.Itagaki

Systematic study of the relationship between nuclear structure and reactions for the 10Be nucleus

NUCLEAR STRUCTURE 10Be; calculated binding energies, charge and matter radii, B(Eλ). Comparison with available data.

NUCLEAR REACTIONS 12C(10Be, 10Be), E=59.4 MeV/nucleon; calculated σ(θ), σ.

doi: 10.1093/ptep/ptad070
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2021FU15      Phys.Rev. C 104, 034613 (2021)

T.Furumoto, T.Suhara, N.Itagaki

Drastic change of inelastic scattering dependent on the development of dineutron correlations in 10Be

NUCLEAR STRUCTURE 10Be; calculated binding energy, energies, B(E2), transition densities, and rms nucleon matter, point neutron and point proton radii for the ground state, and the first 2+ states using four-body (α+α+n+n) microscopic cluster model, and compared with experimental data.

NUCLEAR REACTIONS 1H(10Be, p), (10Be, p')E=59.4, 200 MeV/nucleon; calculated differential σ(θ, E) using microscopic structure and reaction models, with parameters for 10Be used from structure calculations. Comparison with experimental data. Relevance to dineutron cluster structure based on its sensitivity to the inelastic cross section to the second 2+ state in 10Be.

doi: 10.1103/PhysRevC.104.034613
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2019FU02      Nucl.Phys. A983, 38 (2019)

T.Fukui, Y.Kanada-En'yo, K.Ogata, T.Suhara, Y.Taniguchi

Investigation of spatial manifestation of α clusters in 16O via α-transfer reactions

NUCLEAR REACTIONS 12C(6Li, d)16O, E=42.1, 48.2 MeV; calculated 12C-α relative wave functions of 16O gs vs distance using Orthogonality Condition Model (OCM) with different phenomenological optical phenomenological Potential Model (PM) with microscoppically calculated 0+1 and 0+2 states from Orthogonality Condition Model (OCM) and Five-Body Model (5BM) using finite-range DWBA with Reduced-Width Amplitude (RWA) of clusters` surface distribution of α-clusters, σ(θ) to 0+1, 0+2 and excited states. Compared to data.

doi: 10.1016/j.nuclphysa.2018.12.024
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2018FU10      Phys.Rev. C 97, 044602 (2018)

T.Furumoto, T.Suhara, N.Itagaki

Effect of channel coupling on the elastic scattering of lithium isotopes

NUCLEAR STRUCTURE 6,7,8,9Li; calculated levels, J, π, rms radii of the charged proton, point proton, point neutron, and point matter for ground states, transition strengths from the ground states to the excited states. Stochastic multi-configuration mixing method based on the microscopic-cluster model (MCM). Comparison with experimental data.

NUCLEAR REACTIONS 12C, 28Si(6Li, 6Li), (7Li, 7Li), (8Li, 8Li), (9Li, 9Li), E=53 MeV/nucleon; 12C, 28Si(7Li, 7Li), E=50 MeV/nucleon; 12C(9Li, 9Li), E=59.4, 60 MeV/nucleon; 12C(10Be, 10Be), E=59.4 MeV/nucleon; calculated differential σ(θ) using microscopic coupled-channel (MCC) method with complex G-matrix interaction. Comparison with experimental results.

doi: 10.1103/PhysRevC.97.044602
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2018LY08      Phys.Rev. C 98, 064002 (2018)

M.Lyu, T.Myo, M.Isaka, H.Toki, K.Ikeda, H.Horiuchi, T.Suhara, T.Yamada

Tensor-optimized high-momentum antisymmetrized molecular dynamics with a bare interaction, and its application to the 4He nucleus

NUCLEAR STRUCTURE 3H, 4He; calculated nucleon-nucleon correlations, total energy, Hamiltonian components, rms radius of 4He, and energy convergence of 3H, and 4He using tensor-optimized high-momentum antisymmetrized molecular dynamics (TO-HMAMD) framework. Comparison with other AMD-based theoretical calculations.

doi: 10.1103/PhysRevC.98.064002
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2017MY01      Phys.Rev. C 95, 044314 (2017)

T.Myo, H.Toki, K.Ikeda, H.Horiuchi, T.Suhara

Successive variational method of the tensor-optimized antisymmetrized molecular dynamics for central interaction in finite nuclei

NUCLEAR STRUCTURE 3H, 4He; calculated energy surfaces and radii as function of range parameter, energies of 1/2+ g.s. in 3H and 0+ g.s. in 4He. New variational theory, tensor optimized antisymmetrized molecular dynamics (TOAMD), to describe nuclei from the nucleon-nucleon (NN) interaction, and nuclear clustering. Comparison of results with those from the unitary correlation operator method (UCOM).

doi: 10.1103/PhysRevC.95.044314
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2017MY02      Prog.Theor.Exp.Phys. 2017, 073D01 (2017)

T.Myo, H.Toki, K.Ikeda, H.Horiuchi, T.Suhara

New successive variational method of tensor-optimized antisymmetrized molecular dynamics for nuclear many-body systems

NUCLEAR STRUCTURE 3H, 4He; calculated total energy and the Hamiltonian components, short-range correlation and tensor functions, energy surface.

doi: 10.1093/ptep/ptx089
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2017MY03      Phys.Rev. C 96, 034309 (2017)

T.Myo, H.Toki, K.Ikeda, H.Horiuchi, T.Suhara

Power series expansion method in tensor-optimized antisymmetrized molecular dynamics beyond the Jastrow correlation method

NUCLEAR STRUCTURE 3H, 4He; calculated energies of 1/2+ state in 3H and 0+ in 4He using MT-V and AV6 potentials, Hamiltonian components using AV6 potential. New variational method for the tensor optimized antisymmetrized molecular dynamics (TOAMD), introducing correlation functions for the tensor force and short-range repulsion in strong interactions. Comparison with other theoretical approaches.

doi: 10.1103/PhysRevC.96.034309
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2017YA05      Phys.Lett. B 766, 11 (2017)

H.Yamaguchi, D.Kahl, S.Hayakawa, Y.Sakaguchi, K.Abe, T.Nakao, T.Suhara, N.Iwasa, A.Kim, D.H.Kim, S.M.Cha, M.S.Kwag, J.H.Lee, E.J.Lee, K.Y.Chae, Y.Wakabayashi, N.Imai, N.Kitamura, P.Lee, J.Y.Moon, K.B.Lee, C.Akers, H.S.Jung, N.N.Duy, L.H.Khiem, C.S.Lee

Experimental investigation of a linear-chain structure in the nucleus 14C

NUCLEAR REACTIONS 4He(10Be, X)14C, E=24.9 MeV; measured reaction products, Eα, Iα; deduced σ(θ), level energies, J, π, resonance parameters. R-matrix fit with SAMMY8, comparison with available data.

doi: 10.1016/j.physletb.2016.12.050
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2528. Data from this article have been entered in the XUNDL database. For more information, click here.


2016FR01      Phys.Rev. C 93, 014321 (2016)

A.Fritsch, S.Beceiro Novo, D.Suzuki, W.Mittig, J.J.Kolata, T.Ahn, D.Bazin, F.D.Becchetti, B.Bucher, Z.Chajecki, X.Fang, M.Febbraro, A.M.Howard, Y.Kanada-En'yo, W.G.Lynch, A.J.Mitchell, M.Ojaruega, A.M.Rogers, A.Shore, T.Suhara, X.D.Tang, R.Torres-Isea, H.Wang

One-dimensionality in atomic nuclei: A candidate for linear-chain α clustering in 14C

NUCLEAR REACTIONS 4He(10Be, α), E=39.7 MeV, [secondary 10Be beam from 13C(11B, 10B), E=46 MeV primary reaction]; measured particle spectra, differential cross sections for elastic and inelastic scattering, angular distributions using the prototype active target-time projection chamber (PAT-TPC) at Notre Dame TwinSol facility. 14C; deduced levels, α-resonances, J, π, band, α-widths, L-transfers, spectroscopic factors. R-matrix analysis. Comparison with predictions of antisymmetrized molecular dynamics (AMD) theory, and evidence for a 3α-linear chain structure in 14C.

doi: 10.1103/PhysRevC.93.014321
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016FU03      Phys.Rev. C 93, 034606 (2016)

T.Fukui, Y.Taniguchi, T.Suhara, Y.Kanada-Enyo, K.Ogata

Probing surface distributions of α clusters in 20Ne via α-transfer reaction

NUCLEAR REACTIONS 16O(6Li, d)20Ne, E=20.0, 42.1 MeV; calculated differential σ(θ, E); deduced α-cluster structure from observables, and sensitivity of surface region of the cluster wave function to cross section. Coupled-channel Born approximation (CCBA) calculations based on three-body α+d+16O structure with microscopic cluster model (MCM) wave functions from generator coordinate method, and phenomenological two-body potential model (PM). Comparison with experimental data.

doi: 10.1103/PhysRevC.93.034606
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2016IT01      Prog.Theor.Exp.Phys. 2016, 093D01 (2016)

N.Itagaki, H.Matsuno, T.Suhara

General transformation of α cluster model wave function to jj-coupling shell model in various 4N nuclei

NUCLEAR STRUCTURE 4He, 20Ne, 28Si, 44Ti, 100Sn; calculated density plots, energy levels, spin-orbit operators, energy curves. The antisymmetrized quasi-cluster model.

doi: 10.1093/ptep/ptw125
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2016KI19      Eur.Phys.J. A 52, 373 (2016)

M.Kimura, T.Suhara, Y.Kanada-Enyo

Antisymmetrized molecular dynamics studies for exotic clustering phenomena in neutron-rich nuclei

NUCLEAR STRUCTURE 20,22,24,26,28,30,32,34Ne, 24,26,28,30,32,34,36,38,40Mg; calculated 2+1 state energy, B(E2) 20,26,32Ne; calculated proton density distribution, charge radius. 10,11,12Be; calculated levels, J, π. AMD (Antisymmetrized Molecular Dynamics). Compared with data.

doi: 10.1140/epja/i2016-16373-9
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2015KA03      Phys.Rev. C 91, 014316 (2015)

Y.Kanada-Enyo, T.Suhara

2α + t cluster feature of the 3/2-3 state in 11B

NUCLEAR STRUCTURE 11B, 12C; calculated rms radii of charge and matter density, energy contours of 3/2- states in 11B and 0+ states in 12C in 2α+t and 3α cluster systems, angular motion of t and α clusters around the 2α core. Variation after spin-parity projection in the framework of antisymmetrized molecular dynamics (AMD+VAP). Comparison with available experimental results.

doi: 10.1103/PhysRevC.91.014316
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2015MY02      Prog.Theor.Exp.Phys. 2015, 073D02 (2015)

T.Myo, H.Toki, K.Ikeda, H.Horiuchi, T.Suhara

Tensor-optimized antisymmetrized molecular dynamics in nuclear physics

doi: 10.1093/ptep/ptv087
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2015SU04      Phys.Rev. C 91, 024315 (2015)

T.Suhara, Y.Kanada-En'yo

Effects of α-cluster breaking on 3α-cluster structures in 12C

NUCLEAR STRUCTURE 12C; calculated 0+ and 2+ levels, rms radii of 0+ states, squared overlaps between 0+ GCM wave functions and the p3/2 subshell closure wave function, monopole transition strengths, B(E2). α-cluster breaking caused by spin-orbit force. Hybrid model combining the Brink-Bloch α cluster model with the p3/2 subshell closure wave function. Comparison with results of other α-cluster model calculations, and with experimental data.

doi: 10.1103/PhysRevC.91.024315
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2014KA14      Phys.Rev. C 89, 044313 (2014)

Y.Kanada-Enyo, T.Suhara

Gamow-Teller transitions from the 14N ground state to the 14C ground and excited states

NUCLEAR STRUCTURE 14C; calculated levels, J, π, B(E2), B(M1), Gamow-Teller B(GT) strengths from 14N ground state to 14C ground and excited 0+, 1+ and 2+ states, density distribution of intrinsic wave functions, occupation probability, energy expectation values with the β-γ constraint. 14N; calculated density distribution of intrinsic wave functions obtained with the β-γ constraint. Effect of cluster correlations. Antisymmetrized molecular dynamics model (AMD+VAP method). Comparison with high-resolution charge-exchange reaction experimental data.

doi: 10.1103/PhysRevC.89.044313
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2014KA33      Prog.Theor.Exp.Phys. 2014, 073D02 (2014)

Y.Kanada-Enyo, T.Suhara, Y.Taniguchi

Approximation of reduced width amplitude and application to cluster decay width

RADIOACTIVITY 20Ne, 8Be(α); calculated α-decay widths, energy levels, J, π, negative parity state. 9Li; Reduced width amplitude, α cluster generator group method, comparison with available data.

doi: 10.1093/ptep/ptu095
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2014su04      Phys.Rev.Lett. 112, 062501 (2014)

T.Suhara, Y.Funaki, B.Zhou, H.Horiuchi, A.Tohsaki

One-Dimensional α Condensation of α-Linear-Chain States in 12C and 16O

NUCLEAR STRUCTURE 12C, 16O; calculated energy curves for excited states, α linear chain wave functions, α clusters. Brink and Tohsaki-Horiuchi-Schuck-Ropke wave functions.

doi: 10.1103/PhysRevLett.112.062501
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2013FU07      Phys.Rev. C 87, 064320 (2013); Erratum Phys.Rev. C 90, 039902 (2014)

T.Furumoto, T.Suhara, N.Itagaki

Investigation of the 3/22- state of 9Li with microscopic structure and reaction models

NUCLEAR STRUCTURE 9Li; calculated total energies of 1/2-, 3/2-, 5/2- and 7/2- states, low-lying negative-parity levels, J, proton, neutron, and matter radii of ground state, quadrupole moments of ground state and first 3/2-, B(E2) and B(E0) transition strengths between low-lying negative-parity states. Unified framework of microscopic α+t+n+n cluster structure and reaction models. Possibility of triaxial deformation and mixing of dineutron components in 9Li nucleus. Comparison with experimental data.

NUCLEAR REACTIONS 12C(9Li, 9Li), (9Li, 9Li'), E=50, 60 MeV/nucleon; calculated quasielastic, elastic and inelastic σ(θ) for ground state and 3/2- states using wave functions from multiconfiguration mixing method, and reaction analysis by microscopic coupled channel (MCC) method. Multistep effects. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.064320
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2013KA33      J.Phys.:Conf.Ser. 445, 012037 (2013)

Y.Kanada-En'yo, F.Kobayashi, T.Suhara

Structures of ground and excited states in C isotopes

NUCLEAR STRUCTURE 10,12,14,16,18,20C; calculated structure of excited states, B(E2) using AMD. B(E2) compared to data.

doi: 10.1088/1742-6596/445/1/012037
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2013SU11      Phys.Rev. C 87, 054334 (2013)

T.Suhara, N.Itagaki, J.Cseh, M.Ploszajczak

Novel and simple description for a smooth transition from α-cluster wave functions to jj-coupling shell model wave functions

NUCLEAR STRUCTURE 12C; calculated energy surfaces of ground state, single-particle energies, convergence of total energy for ground state and first excited 0+ state. Transition from α-cluster wave function to the jj-coupling shell model. Antisymmetrized quasicluster model (AQCM). Comparison with results from antisymmetrized molecular dynamics (AMD).

doi: 10.1103/PhysRevC.87.054334
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2012KA02      Phys.Rev. C 85, 024303 (2012)

Y.Kanada-Enyo, T.Suhara

6He-triton cluster states in 9Li

NUCLEAR STRUCTURE 8Be; calculated α-α scattering phase shift, distribution of wave function amplitudes for 2+ state and resonance. 9Li; calculated energies of negative parity states, B(E2) strengths, density distributions contours, orbital energies as function of deformation, distribution of wave function amplitudes in 6He+t cluster. 10Be; calculated levels, J, π in 6He+t cluster; comparison with experimental level energies. 6He+t cluster generator coordinate method (GCM).

doi: 10.1103/PhysRevC.85.024303
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2012SU08      Phys.Rev. C 85, 054320 (2012)

T.Suhara, Y.Kanada-Enyo

Cluster structures in 11B

NUCLEAR STRUCTURE 11B; calculated energy surface in β-γ plane, density distributions, levels, J, π, B(E2), B(E0, IS), rms radii using the method of β-γ constraint antisymmetrized molecular dynamics + the generator coordinate method (AMD+GCM). Discussed cluster structure, molecular orbital structures in association with those in 10B. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.054320
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2011KA29      Phys.Rev. C 84, 054301 (2011)

Y.Kanada-Enyo, H.Feldmeier, T.Suhara

Two-neutron correlations in microscopic wave functions of 6He, 8He, and 12C

NUCLEAR STRUCTURE 6,8He, 12C; calculated one-body neutron density, two-neutron density contours, two-neutron correlations. Many body microscopic wave functions from antisymmetrized molecular dynamics (AMD).

doi: 10.1103/PhysRevC.84.054301
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2011SU17      Phys.Rev. C 84, 024328 (2011)

T.Suhara, Y.Kanada-Enyo

Be-α correlations in the linear-chain structure of C isotopes

NUCLEAR STRUCTURE 12,13,14,16C; calculated energy surface contours of positive-parity states in 14C and negative-parity states in 13C, energy curves with linear chain structures, folding potentials. Generalized molecular-orbital model for Be+α correlations in linear 3α and 3α+n systems.

doi: 10.1103/PhysRevC.84.024328
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2010SU02      Prog.Theor.Phys.(Kyoto) 123, 303 (2010)

T.Suhara, Y.Kanada-En'yo

Quadrupole Deformation β and γ Constraint in a Framework of Antisymmetrized Molecular Dynamics

NUCLEAR STRUCTURE 10Be, 12C, 9Li, 11B; calculated energy surfaces in β-γ plane, density distributions, energy levels, B(E2), root-mean-square radii.

doi: 10.1143/PTP.123.303
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2010SU24      Phys.Rev. C 82, 044301 (2010)

T.Suhara, Y.Kanada-Enyo

Cluster structures of excited states in 14C

NUCLEAR STRUCTURE 14C; calculated levels, J, π, B(E2) strengths, potential energy surfaces in β-γ plane, rms radii, proton and neutron density distributions using β-γ constrained antisymmetrized molecular dynamics (AMD) combined with the generator coordinate method (GCM). Three-α cluster core structures and 10Be+α correlations. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.044301
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2009KA17      Phys.Rev. C 79, 054305 (2009)

Y.Kanada-Enyo, N.Hinohara, T.Suhara, P.Schuck

Dineutron correlations in quasi-two-dimensional systems in a simplified model, and possible relation to neutron-rich nuclei

doi: 10.1103/PhysRevC.79.054305
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2008KA46      Int.J.Mod.Phys. E17, 2336 (2008)

Y.Kanada-Enyo, M.Kimura, Y.Taniguchi, T.Suhara

Cluster structure of unstable nuclei studied with AMD

NUCLEAR STRUCTURE 11B, 11C, 8He, 14C; calculated three-cluster structures. Antisymmetrized molecular dynamics.

doi: 10.1142/S0218301308011574
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