NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = S.Okabe Found 44 matches. 2006IT06 Phys.Rev.C 74, 067304 (2006) N.Itagaki, W.von Oertzen, S.Okabe Linear-chain structure of three alpha clusters in 13C NUCLEAR STRUCTURE 13C; calculated rotational band level energies, linear-chain structure, hyperdeformation. Comparison with data.
doi: 10.1103/PhysRevC.74.067304
2005MA69 Nucl.Phys. A758, 371c (2005) H.Makii, Y.Nagai, T.Shima, M.Segawa, H.Ueda, T.Masaki, K.Mishima, M.Igashira, T.Ohsaki, S.Okabe Measurement of the 12C(α, γ)16O Reaction Cross Section Using Pulsed α Beams NUCLEAR REACTIONS 12C(α, γ), E(cm)=1.39, 1.58 MeV; measured Eγ, Iγ, σ(E2)/σ(E1). Pulsed beam.
doi: 10.1016/j.nuclphysa.2005.05.068
2004IT04 Phys.Rev.Lett. 92, 142501 (2004) N.Itagaki, T.Otsuka, K.Ikeda, S.Okabe Equilateral-Triangular Shape in 14C NUCLEAR STRUCTURE 14C; calculated levels, deformation, molecular states features; deduced equilateral-triangular shape, rotational bands. Microscopic five-body model.
doi: 10.1103/PhysRevLett.92.142501
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
2004TA21 Nucl.Phys. A738, 352 (2004) M.Takashina, M.Ito, Y.Kubo, S.Okabe, Y.Sakuragi 12C + 12C → 8Beg.s. + 16Og.s. resonance reactions and multi-cluster states of highly excited 24Mg nucleus NUCLEAR REACTIONS 12C(12C, 8Be), E(cm)=20-37 MeV; calculated σ(θ), excitation function; deduced resonance structure. 24Mg deduced molecular rotational band. Coupled channels Born approximation.
doi: 10.1016/j.nuclphysa.2004.04.060
2003IT06 Nucl.Phys. A719, 205c (2003) N.Itagaki, K.Hagino, T.Otsuka, S.Okabe, K.Ikeda Importance of clustering in light neutron-rich nuclei NUCLEAR REACTIONS 9Be(γ, X), E ≈ 0.5-4.5 MeV; calculated photodisintegration σ. Molecular orbital model, comparison with data. NUCLEAR STRUCTURE 12C; calculated transitions B(E2). Cluster model.
doi: 10.1016/S0375-9474(03)00918-7
2003IT12 Acta Phys.Hung.N.S. 18, 173 (2003) N.Itagaki, T.Otsuka, S.Okabe, K.Ikeda Exotic Cluster Structure in Light Neutron-Rich Nuclei NUCLEAR STRUCTURE 14C; calculated levels, J, π, cluster configurations. Molecular orbit model.
doi: 10.1556/APH.18.2003.2-4.9
2003TA01 Phys.Rev. C 67, 014609 (2003) M.Takashina, M.Ito, Y.Kudo, S.Okabe, Y.Sakuragi 12C+12C → 8Beg.s.+16Og.s. resonance reaction around Ec.m. = 32.5 MeV NUCLEAR REACTIONS 12C(12C, 8Be), E(cm) ≈ 27-36 MeV; calculated σ(θ), excitation function; deduced resonance features. Coupled-channels Born approximation, comparison with data.
doi: 10.1103/PhysRevC.67.014609
2002HI23 Prog.Theor.Phys.(Kyoto), Suppl. 146, 565 (2002) S.Hirose, N.Itagaki, T.Otsuka, S.Okabe, K.Ikeda The Exotic Clustering and Nucleon-Nucleon Correlations in Light Neutron-Rich Nuclei NUCLEAR STRUCTURE 10Be; calculated levels, J, π, B(E2). Cluster model.
doi: 10.1143/PTPS.146.565
2002IT02 Eur.Phys.J. A 13, 43 (2002) N.Itagaki, S.Okabe, K.Ikeda, I.Tanihata Molecular-Orbital Structure in Neutron-Rich Be and C Isotopes NUCLEAR STRUCTURE 10,12Be, 12,14,16C; analyzed cluster configurations. Molecular-orbit model.
doi: 10.1140/epja1339-07
2002IT03 Phys.Rev. C65, 044302 (2002) N.Itagaki, S.Hirose, T.Otsuka, S.Okabe, K.Ikeda Triaxial Deformation in 10Be NUCLEAR STRUCTURE 10Be; calculated rotational bands features, triaxial deformation, transitions B(E2). Molecular-orbit model.
doi: 10.1103/PhysRevC.65.044302
2002IT08 Prog.Theor.Phys.(Kyoto), Suppl. 146, 207 (2002) N.Itagaki, K.Ikeda, S.Okabe, T.Otsuka Exotic Cluster Shapes in Neutron-Rich Be and C Isotopes NUCLEAR STRUCTURE 12,14,16C; calculated level energies, cluster configurations.
doi: 10.1143/PTPS.146.207
2002KA21 Prog.Theor.Phys.(Kyoto) 107, 377 (2002) M.Katsuma, Y.Sakuragi, S.Okabe, Y.Kondo Coupled-Channels Study of the Nuclear Rainbow Phenomena for the 16O + 16O System NUCLEAR REACTIONS 16O(16O, 16O), (16O, 16O'), E=124, 145, 250, 350 MeV; calculated σ(θ); deduced reaction mechanism features. Microscopic coupled-channels method.
doi: 10.1143/PTP.107.377
2002KU28 Phys.Rev. C66, 014003 (2002) Pionic Weak Decay of the Lightest Double-Λ Hypernucleus ΛΛ4H NUCLEAR STRUCTURE 3,4H, 6He; calculated hypernucleus pionic decay widths, related features. Comparison with data.
doi: 10.1103/PhysRevC.66.014003
2001IT03 Phys.Rev. C64, 014301 (2001) N.Itagaki, S.Okabe, K.Ikeda, I.Tanihata Molecular-Orbital Structure in Neutron-Rich C Isotopes NUCLEAR STRUCTURE 12,14,16C; calculated molecular configurations. Three-α-plus-neutrons approach.
doi: 10.1103/PhysRevC.64.014301
2001IT04 Acta Phys.Hung.N.S. 13, 153 (2001) Molecular-Orbital Structure in Be Isotopes NUCLEAR STRUCTURE 14Be, 12,14,16C; calculated cluster-structure related features.
doi: 10.1556/APH.13.2001.1-3.18
2001IT08 Prog.Theor.Phys.(Kyoto), Suppl. 142, 297 (2001) Molecular-Orbital Structure in Light Neutron-Rich Nuclei NUCLEAR STRUCTURE 10,12Be, 14,16C; calculated level energies, configurations. Molecular orbit model.
doi: 10.1143/PTPS.142.297
2000IT02 Phys.Rev. C61, 044306 (2000) Molecular Orbital Structures in 10Be NUCLEAR STRUCTURE 10Be; calculated levels, J, π. Molecular orbit model.
doi: 10.1103/PhysRevC.61.044306
2000IT06 Phys.Rev. C62, 034301 (2000) Important Role of the Spin-Orbit Interaction in Forming the 1/2+ Orbital Structure in Be Isotopes NUCLEAR STRUCTURE 10,12Be; calculated levels, J, π, configurations; deduced spin mixing effects. Molecular orbit model.
doi: 10.1103/PhysRevC.62.034301
1997OK02 Phys.Lett. 393B, 301 (1997) D.O'Kelly, T.Botting, B.Hurst, R.P.Schmitt, Y.-W.Lui, Y.Hirabayashi, S.Okabe, Y.Sakuragi, H.Utsunomiya, T.Yamagata, M.Ohta Breakup of 30 MeV/u-16O in Nuclear and Coulomb Fields of 120Sn and 208Pb Nuclei NUCLEAR REACTIONS 120Sn, 208Pb(16O, α12C), E=30 MeV/nucleon; measured α12C-coin, σ(θ, θ(α12C)); deduced nuclear, Coulomb-breakup interference role. Coupled channels approach, orthogonality condition model.
doi: 10.1016/S0370-2693(96)01636-X
1996KU29 Phys.Rev. C54, 2843 (1996) I.Kumagai-Fuse, S.Okabe, Y.Akaishi Pionic-Decay Spectra of Few-Body Λ Hypernuclei NUCLEAR STRUCTURE A=4, 5; calculated pionic decay spectra, hypernuclei. Resonating group method wave functions.
doi: 10.1103/PhysRevC.54.2843
1995KU12 Nucl.Phys. A585, 365c (1995) I.Kumagai-Fuse, S.Okabe, Y.Akaishi Pauli Effects on Pionic Decay of Light (Lambda)-Hypernuclei NUCLEAR STRUCTURE A=4, 5; calculated π- decay widths, hypernuclei. Resonating group method, Pauli effects.
doi: 10.1016/0375-9474(94)00611-P
1995KU15 Phys.Lett. 345B, 386 (1995) I.Kumagai-Fuse, S.Okabe, Y.Akaishi Evidence for a Central Repulsion Potential from Pionic Decay of s-Shell (Lambda)-Hypernuclei NUCLEAR STRUCTURE A=4, 5; calculated hypernuclei partial decay widths, two-body decay branching ratios; deduced central repulsion potential evidence.
doi: 10.1016/0370-2693(94)01591-Y
1993YA04 Phys.Rev. C47, 2389 (1993) T.Yamaya, S.Ohkubo, S.Okabe, M.Fujiwara Spectroscopic Factors for α-Cluster Wave Functions in 44Ti Observed via the (6Li, d) Reaction NUCLEAR REACTIONS 40Ca(6Li, d), E=50 MeV; analyzed σ(θ) data. 44Ti levels deduced α-cluster states, spectroscopic factors.
doi: 10.1103/PhysRevC.47.2389
1990OK03 Nucl.Phys. A514, 613 (1990) Light Σ-Hypernuclei and α-Clustering NUCLEAR STRUCTURE 4He, 8Li, 8Be; calculated bound Σ-hypernuclear levels. Alpha clustering.
doi: 10.1016/0375-9474(90)90013-C
1989HI06 Phys.Lett. 221B, 227 (1989) Y.Hirabayashi, S.Okabe, Y.Sakuragi Projectile Breakup Effect in Elastic Scattering of 9Be NUCLEAR REACTIONS 16O, 27Al, 40Ca(9Be, 9Be), E=158 MeV; calculated σ(θ); deduced potential parameters, projectile breakup effect. Coupled-channels analysis, microscopic cluster model.
doi: 10.1016/0370-2693(89)91702-4
1985FL02 Z.Phys. A320, 289 (1985) Surface Alpha-Clustering in the Lead Region NUCLEAR STRUCTURE 210Po; calculated deficiency factor for α+208Pb clustering; deduced configuration mixing role in surface clustering.
doi: 10.1007/BF01881277
1985KA28 Prog.Theor.Phys.(Kyoto) 74, 1053 (1985) Structure of 12C + 16O Molecular Bands NUCLEAR STRUCTURE 28Si; calculated cluster levels, B(λ). Semi-microscopic cluster model. NUCLEAR REACTIONS 16O(12C, 12C), E(cm) ≈ 10-25 MeV; calculated phase shifts. 28Si deduced molecular resonances, parameters. Semi-microscopic cluster model.
doi: 10.1143/PTP.74.1053
1984OK02 Phys.Lett. 144B, 5 (1984) Comparison of Various Approximations for Resonating Group Method Basis States NUCLEAR STRUCTURE 208Pb; calculated nucleon density. 212Po; calculated α-decay amplitude, spectroscopic factors. Resonating group method, oscillator, Woods-Saxon models.
doi: 10.1016/0370-2693(84)90164-3
1984OK04 Nucl.Phys. A427, 87 (1984) Resonating Group Method and Frequency Transformation NUCLEAR STRUCTURE 20Ne, 44Ti, 94Mo, 124Te, 212Po; calculated α-particle reduced width amplitudes, spectroscopic factors.
doi: 10.1016/0375-9474(84)90140-4
1983OK06 Nucl.Phys. A404, 179 (1983) Effect of Exchange on Nucleus-Nucleus Interactions NUCLEAR REACTIONS 40Ca(α, α), E(cm)=0-35 MeV; 16O(α, α), E(cm) ≈ 2.5-30 MeV; 16O(16O, 16O), E(cm) ≈ 10-40 MeV; 40Ca, (16O, 16O), E(cm) ≈ 20-80 MeV; calculated phase shifts vs E. Resonating group based nucleus-nucleus potential.
doi: 10.1016/0375-9474(83)90421-9
1982KA35 Prog.Theor.Phys.(Kyoto) 68, 1794 (1982) A Justification of the Band Crossing Model NUCLEAR REACTIONS 16O(12C, 12C), (12C, X), E not given; calculated molecular resonance elastic, aligned subchannel decay probabilities.
doi: 10.1143/PTP.68.1794
1982OK02 Prog.Theor.Phys.(Kyoto) 68, 1790 (1982) Microscopic Study of an 16O + 15N Interaction NUCLEAR REACTIONS 15N(16O, 16O), E(cm)=20 MeV; calculated phase shifts. Coupled-channel resonating group, effective interaction.
doi: 10.1143/PTP.68.1790
1979OK02 Prog.Theor.Phys. 61, 1049 (1979) The Structure of 9Be by a Molecular Model. II NUCLEAR STRUCTURE 9Be; calculated energy levels, charge form factors, rms radii, quadrupole moment of the ground state. Generator coordinator method, effective nucleon-nucleon force from α+n, α+α systems.
doi: 10.1143/PTP.61.1049
1979UE03 Prog.Theor.Phys.(Kyoto) 62, 1621 (1979) E.Uegaki, Y.Abe, S.Okabe, H.Tanaka Structure of the Excited States in 12C. II NUCLEAR STRUCTURE 12C; calculated Γα, charge form factors, B(E2), rms charge radii. Generator coordinate calculation, microscopic α-particle model.
doi: 10.1143/PTP.62.1621
1978OK01 Progr.Theor.Phys. 59, 315 (1978) Particle Decay Widths and Charge Form Factors of 9Be by the Molecular Model NUCLEAR STRUCTURE 9Be; calculated Γα, Γn, charge form factors. Molecular model calculations.
doi: 10.1143/PTP.59.315
1978UE02 Prog.Theor.Phys. 59, 1031 (1978) E.Uegaki, Y.Abe, S.Okabe, H.Tanaka On the Positive-Parity States with Anomalous α-Decay Properties in 12C NUCLEAR STRUCTURE 12C; calculated Γα.
doi: 10.1143/PTP.59.1031
1977OK01 Progr.Theor.Phys. 57, 866 (1977) The Structure of 9Be Nucleus by a Molecular Model. I NUCLEAR STRUCTURE 9Be; calculated levels, level properties. Molecular model.
doi: 10.1143/PTP.57.866
1977UE01 Progr.Theor.Phys. 57, 1262 (1977) E.Uegaki, S.Okabe, Y.Abe, H.Tanaka Structure of the Excited States in 12C. I NUCLEAR STRUCTURE 12C; calculated levels, level properties. Microscopic 3α-model.
doi: 10.1143/PTP.57.1262
1973FU04 J.Phys.Soc.Jap. 34, 315 (1973) Emission of Photoneutrons from 29Si at Photon Energies up to 13 MeV NUCLEAR REACTIONS 29Si(γ, n), E=8-14 MeV; measured σ(En, θ). 29Si deduced resonances.
doi: 10.1143/JPSJ.34.315
1971FU19 Annu.Rep.Radiat.Cent.Osaka Prefect. 12, 41 (1971) Photoneutron from 29Si at Photon Energies up to 13 MeV NUCLEAR REACTIONS 29Si(γ, n), E=8-13 MeV; measured σ(E;En, θ).
1966FU15 Ann.Rep.Radiat.Cent.Osaka Prefect. 7, 38 (1966) Fine Structure of the C13(γ, n) Reaction NUCLEAR REACTIONS 13C(γ, n), E=18 MeV; measured σ(En).
1965OK02 Ann.Rept.Radiation Center Osaka Prefect. 6, 64(1965) S.Okabe, K.Fukuda, T.Tabata, K.Tsumori, Y.Sato, T.Azuma 19F(γ, n) Cross Section from Threshold to 14 MeV NUCLEAR STRUCTURE 19F; measured not abstracted; deduced nuclear properties.
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