NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of May 23, 2024.

Search: Author = S.Okabe

Found 44 matches.

Back to query form

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2002KU28      Phys.Rev. C66, 014003 (2002)

I.Kumagai-Fuse, S.Okabe

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2001IT04      Acta Phys.Hung.N.S. 13, 153 (2001)

N.Itagaki, S.Okabe, K.Ikeda

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
Citations: PlumX Metrics

2001IT08      Prog.Theor.Phys.(Kyoto), Suppl. 142, 297 (2001)

N.Itagaki, S.Okabe, K.Ikeda

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
Citations: PlumX Metrics

2000IT02      Phys.Rev. C61, 044306 (2000)

N.Itagaki, S.Okabe

Molecular Orbital Structures in 10Be

NUCLEAR STRUCTURE 10Be; calculated levels, J, π. Molecular orbit model.

doi: 10.1103/PhysRevC.61.044306
Citations: PlumX Metrics

2000IT06      Phys.Rev. C62, 034301 (2000)

N.Itagaki, S.Okabe, K.Ikeda

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1990OK03      Nucl.Phys. A514, 613 (1990)

S.Okabe, T.Harada, Y.Akaishi

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1985FL02      Z.Phys. A320, 289 (1985)

T.Fliessbach, S.Okabe

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
Citations: PlumX Metrics

1985KA28      Prog.Theor.Phys.(Kyoto) 74, 1053 (1985)

K.Kato, S.Okabe, Y.Abe

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
Citations: PlumX Metrics

1984OK02      Phys.Lett. 144B, 5 (1984)

S.Okabe, T.Fliessbach

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1982KA35      Prog.Theor.Phys.(Kyoto) 68, 1794 (1982)

K.Kato, S.Okabe, Y.Abe

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1979OK02      Prog.Theor.Phys. 61, 1049 (1979)

S.Okabe, Y.Abe

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1978OK01      Progr.Theor.Phys. 59, 315 (1978)

S.Okabe, Y.Abe

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1977OK01      Progr.Theor.Phys. 57, 866 (1977)

S.Okabe, Y.Abe, H.Tanaka

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1973FU04      J.Phys.Soc.Jap. 34, 315 (1973)

K.Fukuda, S.Okabe

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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2315.

1971FU19      Annu.Rep.Radiat.Cent.Osaka Prefect. 12, 41 (1971)

K.Fukuda, S.Okabe

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)

K.Fukuda, S.Okabe, Y.Sato

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.

Back to query form