NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = S.Aoyama Found 50 matches. 2018AO02 Phys.Rev. C 97, 054305 (2018) Ab initio study of the Jπ = 0± continuum structures in 4He NUCLEAR STRUCTURE 4He; calculated elastic phase shift and magnitudes of the S matrix, off diagonal part of the S matrix, and eigenphases of the t+p, 3He+n, and d+d channels in the continuum structure of 0+ and 0- states. Calculations performed using an ab initio reaction theory with the microscopic R-matrix method (MRM).
doi: 10.1103/PhysRevC.97.054305
2016AO01 Prog.Theor.Exp.Phys. 2016, 123D01 (2016) A theoretical treatment of four-body resonances by using the complex scaling method NUCLEAR STRUCTURE 4He; calculated phase shifts, energy eigenvalues for 0- and 0+ states. Four-body system.
doi: 10.1093/ptep/ptw171
2012AR10 Prog.Theor.Phys.(Kyoto), Suppl. 196, 483 (2012) K.Arai, S.Aoyama, Y.Suzuki, P.Descouvemont, D.Baye Tensor Force Manifestations in Ab Initio Study of the 2H(d, γ)4He, 2H(d, p)3H, and 2H(d, n)3He Reactions NUCLEAR REACTIONS 2H(d, γ)4He, 2H(d, p)3H, 2H(d, n)3He, E(cm)<10 MeV; calculated S-factors. Extended microscopic cluster model with realistic nucleon-nucleon interaction, comparison with available data.
doi: 10.1143/PTPS.196.483
2011AO01 Int.J.Mod.Phys. E20, 775 (2011) S.Aoyama, K.Arai, P.Descouvemont, Y.Suzuki, D.Baye Extended microscopic cluster model study of four nucleon scattering
doi: 10.1142/S0218301311018654
2011AR12 Phys.Rev.Lett. 107, 132502 (2011) K.Arai, S.Aoyama, Y.Suzuki, P.Descouvemont, D.Baye Tensor Force Manifestations in Ab Initio Study of the 2H(d, γ)4He, 2H(d, p)3H, and 2H(d, n)3He Reactions NUCLEAR REACTIONS 2H(d, γ), (d, p), (d, n), E(cm)<10 MeV; calculated wave functions, phase shifts, σ, S-factors. Multichannel microscopic cluster model, ab initio calculations, comparison with experimental data.
doi: 10.1103/PhysRevLett.107.132501
2010AR02 Phys.Rev. C 81, 037301 (2010) Microscopic cluster model study of 3He+p scattering NUCLEAR REACTIONS 3He(p, p), E(cm)=0-10 MeV; calculated scattering phase shifts using microscopic cluster model. Comparison with experimental data.
doi: 10.1103/PhysRevC.81.037301
2009AO03 Phys.Rev. C 80, 021304 (2009) Di-neutron correlations in 7H NUCLEAR STRUCTURE 7H; calculated energy of the ground state using AMD Slater determinants with various t+n+n+n configurations. Comparison with similar calculations for 8He.
doi: 10.1103/PhysRevC.80.021304
2009AR09 Phys.Rev. C 80, 027301 (2009) Resonance states of 7He in a microscopic cluster model NUCLEAR STRUCTURE 5,6,7He; calculated levels, J, π, resonances, nucleon-nucleon potentials. α+n+n+n four-cluster model calculations. Comparison with experimental data. NUCLEAR REACTIONS 6He(n, n), E(cm)<10 MeV; calculated P-wave elastic scattering phase shifts.
doi: 10.1103/PhysRevC.80.027301
2008IT06 Phys.Rev. C 78, 017306 (2008) N.Itagaki, M.Ito, K.Arai, S.Aoyama, Tz.Kokalova Mixing of di-neutron components in 8He NUCLEAR STRUCTURE 8He; calculated configurations, convergence of excited states, wave functions. Tohsaki-Horincki-Schuck-Ropke wave functions.
doi: 10.1103/PhysRevC.78.017306
2007AO03 Nucl.Phys. A790, 307c (2007) A systematic analysis of cluster components in He-isotopes by using a new AMD approach NUCLEAR STRUCTURE 4,5,6,7,8,9,10He; calculated binding energies, clustering effects. Antisymmetrized molecular dynamics.
doi: 10.1016/j.nuclphysa.2007.03.055
2006AO01 Phys.Rev. C 74, 017307 (2006) Systematic analyses of the t-t clustering effect in He isotopes NUCLEAR STRUCTURE 4,5,6,7,8,9,10He; calculated binding energies, clustering effects. Antisymmetrized molecular dynamics, generator coordinate method.
doi: 10.1103/PhysRevC.74.017307
2006AO02 Phys.Scr. T125, 100 (2006) S.Aoyama, T.Myo, K.Kato, K.Ikeda Coulomb breakup and pairing excitation of the two-neutron halo nucleus 11Li NUCLEAR STRUCTURE 11Li; calculated Coulomb breakup σ(E), pairing excitation, excited state J, π.
doi: 10.1088/0031-8949/2006/T125/023
2006AR16 Phys.Rev. C 74, 034305 (2006) Di-trinucleon resonance states of A = 6 systems in a microscopic cluster model NUCLEAR STRUCTURE 6He, 6Li, 6Be; calculated resonance energies, widths, J, π. Cluster model.
doi: 10.1103/PhysRevC.74.034305
2006IT02 Phys.Rev. C 73, 034310 (2006) N.Itagaki, H.Masui, M.Ito, S.Aoyama, K.Ikeda Simplified method to include the tensor contribution in α-cluster model NUCLEAR STRUCTURE 8Be, 12C; calculated 0+ α-cluster states energies, role of tensor interaction, spin-orbit contribution.
doi: 10.1103/PhysRevC.73.034310
2005IT04 Phys.Rev. C 71, 064307 (2005) N.Itagaki, H.Masui, M.Ito, S.Aoyama Simplified modeling of cluster-shell competition NUCLEAR STRUCTURE 10Be; calculated ground state energy, contribution of the cluster-shell and spin-orbit interactions. 9,10Be, 12C, 20Ne; calculated excited state energies, contribution of the cluster-shell and spin-orbit interactions.
doi: 10.1103/PhysRevC.71.064307
2004AO05 Nucl.Phys. A738, 362 (2004) Systematic analyses on H- and He-isotopes by using and extended AMD approach NUCLEAR STRUCTURE 3,4,5,6,7H, 4,5,6,7,8,9,10He; calculated binding energies. 6He; calculated ground and excited states two-neutron separation energies, radii. Antisymmetrized molecular dynamics approach.
doi: 10.1016/j.nuclphysa.2004.04.062
2004IT08 Nucl.Phys. A738, 17 (2004) N.Itagaki, S.Aoyama, T.Otsuka, T.Yoshida, S.Okabe, K.Ikeda Exotic cluster structure in light neutron-rich nuclei NUCLEAR STRUCTURE 10,12Be, 21,22,23,24,25,26,27Ne; calculated binding energies, cluster features. Antisymmetrized molecular dynamics.
doi: 10.1016/j.nuclphysa.2004.04.006
2004IT13 Phys.Rev. C 70, 054307 (2004) N.Itagaki, S.Aoyama, S.Okabe, K.Ikeda Cluster-shell competition in light nuclei NUCLEAR STRUCTURE 8,10Be, 10B, 12C, 16O; calculated binding energies, contributions from cluster structure. 12C calculated transition probabilities. Antisymmetrized molecular dynamics, cluster-shell competition discussed.
doi: 10.1103/PhysRevC.70.054307
2004MY01 Nucl.Phys. A738, 298 (2004) T.Myo, S.Aoyama, K.Kato, K.Ikeda Resonances and continuum states in the breakup of halo nuclei NUCLEAR STRUCTURE 11Li; calculated Coulomb breakup strengths, continuum states contributions. Complex scaling method.
doi: 10.1016/j.nuclphysa.2004.04.049
2003AO01 Phys.Rev. C 68, 034313 (2003) New method of analytic continuation in the coupling constant with the complex scaling method NUCLEAR STRUCTURE 6He; calculated resonance energy, related features. Analytic continuation in the coupling constant with the complex scaling method.
doi: 10.1103/PhysRevC.68.034313
2003AO04 Nucl.Phys. A722, 474c (2003) Where is the ground state of 10He? NUCLEAR STRUCTURE 10He; calculated ground state and resonance energies, configurations. Analytic continuation in the coupling constant.
doi: 10.1016/S0375-9474(03)01411-8
2003AO05 Mod.Phys.Lett. A 18, 422 (2003) Analyses of three-body s-wave resonances with analytic continuation in the coupling constant NUCLEAR STRUCTURE 10He; calculated three-body resonance features. Analytic continuation in the coupling constant.
doi: 10.1142/S0217732303010612
2003IT09 Phys.Rev. C 68, 054302 (2003) N.Itagaki, A.Kobayakawa, S.Aoyama New description of light nuclei by extending the AMD approach NUCLEAR STRUCTURE 6He, 10,12Be; calculated ground and excited states energies, J, π. Extended antisymmetrized molecular dynamics approach.
doi: 10.1103/PhysRevC.68.054302
2003MY03 Phys.Lett. B 576, 281 (2003) T.Myo, S.Aoyama, K.Kato, K.Ikeda Three-body Coulomb breakup of 11Li in the complex scaling method NUCLEAR STRUCTURE 11Li; calculated Coulomb breakup strengths. Complex scaling method, comparison with data.
doi: 10.1016/j.physletb.2003.10.011
2003MY04 Nucl.Phys. A722, 449c (2003) T.Myo, S.Aoyama, K.Kato, K.Ikeda Resonances and continuums in the three-body breakup of halo nuclei NUCLEAR STRUCTURE 11Li; calculated excited states energies, dipole strength distribution, Coulomb breakup σ. Three-body model, complex scaling method.
doi: 10.1016/S0375-9474(03)01406-4
2003MY05 Mod.Phys.Lett. A 18, 166 (2003) T.Myo, K.Kato, S.Aoyama, K.Ikeda Resonances and continuums in the three-body breakup of halo nuclei with the complex scaling method NUCLEAR STRUCTURE 11Li; calculated excited states energies, dipole strength distribution, Coulomb breakup σ. Three-body model, complex scaling method.
doi: 10.1142/S021773230301017X
2002AO01 Phys.Rev.Lett. 89, 052501 (2002) Theoretical Prediction for the Ground State of 10He with the Method of Analytic Continuation in the Coupling Constant NUCLEAR STRUCTURE 9,10He, 11Li; calculated ground and excited states energies, configurations. Analytic continuation in the coupling constant.
doi: 10.1103/PhysRevLett.89.052501
2002AO02 Prog.Theor.Phys.(Kyoto) 107, 543 (2002) S.Aoyama, K.Kato, T.Myo, K.Ikeda The Binding Mechanism and a Low-Lying Resonance in 11Li NUCLEAR STRUCTURE 11Li; calculated level energies, configurations, resonance features.
doi: 10.1143/PTP.107.543
2002AO04 Prog.Theor.Phys.(Kyoto), Suppl. 146, 540 (2002) Three-Body Cluster Resonances in 11Li and 10He NUCLEAR STRUCTURE 11Li; calculated levels, J, π, configurations, resonance features. 10He; calculated possible ground-state configuration. Complex scaling method.
doi: 10.1143/PTPS.146.540
2002KA76 Prog.Theor.Phys.(Kyoto), Suppl. 146, 179 (2002) K.Kato, T.Myo, S.Aoyama, K.Ikeda Beyond the Core+n+n Model Based on the Complex Scaling Method NUCLEAR STRUCTURE 6He, 10,11Li; calculated levels, J, π; deduced role of dynamical coupling. 11Li; calculated E1 strength distribution. Complex scaling method, comparison with data. NUCLEAR REACTIONS Pb(6He, 2nα), E=240 MeV/nucleon; calculated Coulomb dissociation σ. Complex scaling method, comparison with data.
2002MA77 Prog.Theor.Phys.(Kyoto), Suppl. 146, 589 (2002) H.Masui, S.Aoyama, T.Myo, K.Kato, K.Ikeda Study of the s-Wave Properties for 10Li through the Analysis of the Break-Up Reaction NUCLEAR STRUCTURE 10Li; analyzed break-up reaction data; deduced neutron-core potential features.
doi: 10.1143/PTPS.146.589
2002MY01 Prog.Theor.Phys.(Kyoto) 108, 133 (2002) T.Myo, S.Aoyama, K.Kato, K.Ikeda Extended 9Li+n+n Three-Body Model of 11Li with a Pairing Correlation in 9Li NUCLEAR STRUCTURE 11Li; calculated binding energy, radius. 9,10,11Li; calculated pairing correlations, blocking effects, related features. Extended three-body model.
doi: 10.1143/PTP.108.133
2002MY03 Prog.Theor.Phys.(Kyoto), Suppl. 146, 601 (2002) T.Myo, S.Aoyama, K.Kato, K.Ikeda Coupled Channel 9Li+n+n Model of 11Li NUCLEAR STRUCTURE 10,11Li; calculated levels, J, π, widths, configurations, radii. Coupled channel three-body model.
doi: 10.1143/PTPS.146.601
2001AO04 Prog.Theor.Phys.(Kyoto), Suppl. 142, 35 (2001) Three-Body Binding and Resonant Mechanisms in Neutron-Rich Light Nuclei Far from Stability Line - Pairing Correlation in Borromean Nuclei - NUCLEAR STRUCTURE 6,10He, 10,11Li, 10N; calculated level energies, widths, resonance states, pairing correlation effects. Core-plus-neutrons model, complex scaling method.
doi: 10.1143/PTPS.142.35
2001MA37 Nucl.Phys. A684, 609c (2001) H.Masui, S.Aoyama, T.Myo, K.Kato, K.Ikeda Study of Resonant and Virtual States with the Complex Scaling Method and the Developments NUCLEAR STRUCTURE 5He, 10Li; calculated virtual states energies, related features. Jost function method.
doi: 10.1016/S0375-9474(01)00452-3
2001MY04 Phys.Rev. C63, 054313 (2001) T.Myo, K.Kato, S.Aoyama, K.Ikeda Analysis of 6He Coulomb Breakup in the Complex Scaling Method NUCLEAR STRUCTURE 6He; calculated resonance, continuum states energies, widths, E1 and E2 transition strength distributions, Coulomb dissociation cross section. Complex scaling method.
doi: 10.1103/PhysRevC.63.054313
2001MY05 Acta Phys.Hung.N.S. 13, 163 (2001) T.Myo, S.Aoyama, K.Kato, K.Ikeda Structure of Light Unstable Nuclei in Continuum Energies NUCLEAR STRUCTURE 6He; calculated resonance energies and widths, many-body continuum states. Complex scaling method.
doi: 10.1556/APH.13.2001.1-3.20
2000AO06 Phys.Rev. C62, 034305 (2000) s-Wave Halo Effect and the Coulomb Barrier Top Effect on the Mirror State of a Halo NUCLEAR STRUCTURE 11Be, 11N; calculated energy shift; deduced halo effect, Coulomb barrier top effect.
doi: 10.1103/PhysRevC.62.034305
2000IT01 Phys.Rev. C61, 024303 (2000) Systematic Study on He Isotopes with the Antisymmetrized Molecular Dynamics Plus Generator Coordinate Method NUCLEAR STRUCTURE 4,5,6,7,8He; calculated binding energies. 4,6,8He; calculated radii. Antisymmetrized molecular dynamics plus generator coordinate method. Comparisons with data.
doi: 10.1103/PhysRevC.61.024303
2000MA32 Nucl.Phys. A673, 207 (2000) H.Masui, S.Aoyama, T.Myo, K.Kato, K.Ikeda Study of Virtual States in 5He and 10Li with the Jost Function Method NUCLEAR STRUCTURE 5He, 10Li; calculated virtual state features. Jost function method, core-plus-neutron picture.
doi: 10.1016/S0375-9474(00)00148-2
1999AO01 Phys.Rev. C59, 531 (1999) Spin-Orbit Splitting of the Resonant States in the 4He + n System NUCLEAR STRUCTURE 5He; calculated resonant states spin-orbit splitting. Complex scaling method.
doi: 10.1103/PhysRevC.59.531
1999MA91 Prog.Theor.Phys.(Kyoto) 102, 1119 (1999) H.Masui, S.Aoyama, T.Myo, K.Kato Partial Decay Widths in Coupled-Channel Systems with the Complex-Scaled Jost Function Method
doi: 10.1143/PTP.102.1119
1998AO01 Phys.Rev. C57, 975 (1998) S.Aoyama, N.Itagaki, K.Kato, K.Ikeda Thomas-Ehrman Effect on s1/2 and p1/2 Resonance States in 10C + p NUCLEAR STRUCTURE 11N; calculated resonances E, Γ; deduced mirror symmetry breaking. Core-plus-nucleon model, complex scaling method.
doi: 10.1103/PhysRevC.57.975
1998AO02 Prog.Theor.Phys.(Kyoto) 99, 623 (1998) The Mechanism of the Anomalous Energy Shift between s-States in Mirror Nuclei with a Halo Structure NUCLEAR STRUCTURE 13C, 13N, 17O, 17F; calculated levels; deduced anomalous energy shift mechanism. Complex scaling method, core plus particle approach.
doi: 10.1143/PTP.99.623
1998MU11 Prog.Theor.Phys.(Kyoto) 99, 381 (1998) S.Mukai, S.Aoyama, K.Kato, K.Ikeda A Study of the Binding Mechanism of 11Li by the 9Li + n + n Model NUCLEAR STRUCTURE 11Li; calculated binding energy, radius, density distribution, levels; deduced core excitation role. Three-cluster model.
doi: 10.1143/PTP.99.381
1997AO02 Phys.Rev. C55, 2379 (1997) Resonances in 9He and 10He NUCLEAR STRUCTURE 9,10He; calculated ground state energy, width. Complex scaling method.
doi: 10.1103/PhysRevC.55.2379
1997AO05 Phys.Lett. 414B, 13 (1997) Resonant Structures in the Mirror Nuclei 10N and 10Li NUCLEAR STRUCTURE 10N, 10Li; calculated resonances E, Γ. Complex scaling method, core plus nucleon model.
doi: 10.1016/S0370-2693(97)01158-1
1995AO05 Prog.Theor.Phys.(Kyoto) 93, 99 (1995) S.Aoyama, S.Mukai, K.Kato, K.Ikeda Binding Mechanism of a Neutron-Rich Nucleus 6He and Its Excited States NUCLEAR STRUCTURE 6He; calculated binding energy, rms radii. Hybrid-TV model.
doi: 10.1143/ptp/93.1.99
1995AO06 Prog.Theor.Phys.(Kyoto) 94, 343 (1995) S.Aoyama, S.Mukai, K.Kato, K.Ikeda Theoretical Predictions of Low-Lying Three-Body Resonance States in 6He NUCLEAR STRUCTURE 6He; calculated levels, decay widths. Complex scaling method, cluster orbital shell model.
doi: 10.1143/PTP.94.343
1995KA20 Nucl.Phys. A588, 29c (1995) K.Kato, S.Aoyama, S.Mukai, K.Ikeda Binding and Excitation Mechanisms of 6He, 10He and 11Li NUCLEAR STRUCTURE 6,10He, 11Li; calculated levels, binding energy; deduced di-neutron correlations role. Core+2n three-body models, hybrid-TV model for correlations.
doi: 10.1016/0375-9474(95)00095-I
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