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NSR database version of April 25, 2024.

Search: Author = S.Nishizaki

Found 29 matches.

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2017RA29      J.Radioanal.Nucl.Chem. 314, 1967 (2017)

C.Rangacharyulu, M.Fukuda, H.Kanda, S.Nishizaki, N.Takahashi

Assessment of 43, 44Sc isotope production in proton- and alpha- induced reactions

NUCLEAR REACTIONS Ca(p, X), (α, X)43Sc/44Sc/46Sc/47Sc/48Sc E=20-29 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray yields.

doi: 10.1007/s10967-017-5515-4
Citations: PlumX Metrics


2011AI01      Phys.Rev. C 83, 024314 (2011)

H.Aiba, M.Matsuo, S.Nishizaki, T.Suzuki

Fluctuation properties of the strength function associated with the giant quadrupole resonance in 208Pb

NUCLEAR STRUCTURE 208Pb; analyzed fluctuation properties of the E2 strength of the isoscalar giant quadrupole resonance (IS-GQR) using shell model calculations. Comparison with the Gaussian orthogonal ensemble (GOE) random matrix theory limit, and with GQR in 40Ca.

doi: 10.1103/PhysRevC.83.024314
Citations: PlumX Metrics


2006TA06      Prog.Theor.Phys.(Kyoto) 115, 355 (2006)

T.Takatsuka, S.Nishizaki, Y.Yamamoto, R.Tamagaki

Occurrence of Hyperon Superfluidity in Neutron Star Cores

doi: 10.1143/PTP.115.355
Citations: PlumX Metrics


2004NI19      Prog.Theor.Phys.(Kyoto), Suppl. 156, 154 (2004)

S.Nishizaki, Y.Yamamoto, T.Takatsuka

Hyperon Mixing and EOS of Neutron Star Cores

doi: 10.1143/PTPS.156.154
Citations: PlumX Metrics


2003AI09      Phys.Rev. C 68, 054316 (2003)

H.Aiba, M.Matsuo, S.Nishizaki, T.Suzuki

Fluctuation properties of strength functions associated with giant resonances

NUCLEAR STRUCTURE 40Ca; calculated giant quadrupole resonance strength functions, fluctuation properties.

doi: 10.1103/PhysRevC.68.054316
Citations: PlumX Metrics


2002NI09      Prog.Theor.Phys.(Kyoto) 108, 703 (2002)

S.Nishizaki, Y.Yamamoto, T.Takatsuka

Hyperon-Mixed Neutron Star Matter and Neutron Stars

doi: 10.1143/PTP.108.703
Citations: PlumX Metrics


2002TA06      Eur.Phys.J. A 13, 213 (2002)

T.Takatsuka, S.Nishizaki, Y.Yamamoto

Necessity of Extra Repulsion in Hypernuclear Systems: Suggestion from neutron stars

doi: 10.1007/s10050-002-8744-y
Citations: PlumX Metrics


2002TA29      Prog.Theor.Phys.(Kyoto), Suppl. 146, 279 (2002)

T.Takatsuka, S.Nishizaki, Y.Yamamoto, R.Tamagaki

Superfluidity of Hyperon-Mixed Neutron Stars

doi: 10.1143/PTPS.146.279
Citations: PlumX Metrics


2001NI10      Prog.Theor.Phys.(Kyoto) 105, 607 (2001)

S.Nishizaki, Y.Yamamoto, T.Takatsuka

Effective YN and YY Interactions and Hyperon-Mixing in Neutron Star Matter - Y = Λ Case -

doi: 10.1143/PTP.105.607
Citations: PlumX Metrics


2001TA28      Nucl.Phys. A691, 254 (2001)

T.Takatsuka, S.Nishizaki, Y.Yamamoto, R.Tamagaki

Energy Gap of Hyperon Pairing in Hypernuclear Systems

doi: 10.1016/S0375-9474(01)01040-5
Citations: PlumX Metrics


2001YA17      Nucl.Phys. A691, 432c (2001)

Y.Yamamoto, S.Nishizaki, T.Takatsuka

Hyperons in Neutron Stars

doi: 10.1016/S0375-9474(01)01069-7
Citations: PlumX Metrics


2000YA16      Prog.Theor.Phys.(Kyoto) 103, 981 (2000)

Y.Yamamoto, S.Nishizaki, T.Takatsuka

Single-Particle Potentials and Effective Masses of Hyperons in Hyperonic Nuclear Systems

doi: 10.1143/PTP.103.981
Citations: PlumX Metrics


1999VO03      Phys.Rev.Lett. 82, 1105 (1999)

P.von Neumann-Cosel, F.Neumeyer, S.Nishizaki, V.Yu.Ponomarev, C.Rangacharyulu, B.Reitz, A.Richter, G.Schrieder, D.I.Sober, T.Waindzoch, J.Wambach

Spin and Orbital Magnetic Quadrupole Resonances in 48Ca and 90Zr from 180° Electron Scattering

NUCLEAR REACTIONS 48Ca, 90Zr(e, e'), E=42.2, 66.4, 82.2 MeV; measured σ(E, θ=180°). 48Ca, 90Zr deduced B(M2) distributions, possible torsional vibration. Second-RPA calculations.

doi: 10.1103/PhysRevLett.82.1105
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1999VO22      Nucl.Phys. (Supplement) A654, 743c (1999)

P.von Neumann-Cosel, C.Bahr, F.Hofmann, F.Neumeyer, S.Nishizaki, V.Yu.Ponomarev, C.Rangacharyulu, B.Reitz, A.Richter, G.Schrieder, K.Schweda, A.Stascheck, S.Strauch, T.Waindzoch, J.Wambach

Electric and Magnetic Giant Resonances Studied with Electron Scattering at the S-DALINAC

NUCLEAR REACTIONS 48Ca(e, e'n), E not given; measured En at 180°. 48Ca deduced B(E2+E0), B(E1) distributions vs excitation energy, Giant Resonance features. 48Ca, 90Zr(e, e'), E=66.4 MeV; measured B(M2) distributions vs excitation energy, Giant Resonance features. Comparison with Statistical model and RPA results.

doi: 10.1016/S0375-9474(00)88540-1
Citations: PlumX Metrics


1998NI01      Phys.Rev. C57, 1515 (1998)

S.Nishizaki, J.Wambach

Double-Giant-Dipole Resonance in 208Pb

NUCLEAR STRUCTURE 208Pb; calculated double giant dipole resonance strength distribution, Coulomb excitation cross sections. Microscopic model.

NUCLEAR REACTIONS U, Pb, Ho, Sn(208Pb, 208Pb'), E=640 MeV/nucleon; calculated projectile giant resonance Coulomb excitation σ.

doi: 10.1103/PhysRevC.57.1515
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1997IS10      Phys.Rev. B56, R505 (1997)

K.Ishida, Y.Kitaoka, K.Asayama, S.Ikeda, S.Nishizaki, Y.Maeno, K.Yoshida, T.Fujita

Anisotropic Pairing in Superconducting Sr2RuO4: Ru NMR and NQR studies

NUCLEAR MOMENTS 99,101Ru; measured NMR, NQR, Knight shift; deduced Sr2RuO4 spin susceptibility.

doi: 10.1103/PhysRevB.56.R505
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1995DR01      Phys.Rev.Lett. 74, 1075 (1995)

S.Drozdz, S.Nishizaki, J.Wambach, J.Speth

Phase-Space Exploration in Nuclear Giant Resonance Decay

NUCLEAR STRUCTURE 40Ca; calculated isovector, isoscalar quadrupole survival probability; deduced phase-space exploration rate.

doi: 10.1103/PhysRevLett.74.1075
Citations: PlumX Metrics


1995NI08      Phys.Lett. 349B, 7 (1995)

S.Nishizaki, J.Wambach

Double-Dipole Excitations in 40Ca

NUCLEAR STRUCTURE 40Ca; calculated dipole transition strength distribution, GDR, double GDR.

NUCLEAR REACTIONS 40Ca(γ, X), E=15-30 MeV; calculated TRK sum rule normalized photoabsorption σ(E). Microscopic approach, 1p1h-, 2p2h- model space.

doi: 10.1016/0370-2693(95)00229-E
Citations: PlumX Metrics


1994DR02      Phys.Rev. C49, 867 (1994)

S.Drozdz, S.Nishizaki, J.Speth, J.Wambach

Modeling Complex Nuclear Spectra: Reqularity versus Chaos

NUCLEAR STRUCTURE 40Ca; calculated 2p-2h, 0+ states nearest-neighbor spacing distribution; deduced rescattering generated dynamical correlations, chaos onset features.

doi: 10.1103/PhysRevC.49.867
Citations: PlumX Metrics


1994DR05      Phys.Rev.Lett. 72, 2839 (1994)

S.Drozdz, S.Nishizaki, J.Wambach

Chaos-Driven Decay of Nuclear Giant Resonances: Quantum route to self-organization

NUCLEAR STRUCTURE 40Ca; calculated isovector, isoscalar quadrupole strength distribution; deduced small wave function components scaling law features.

doi: 10.1103/PhysRevLett.72.2839
Citations: PlumX Metrics


1994NI13      Prog.Theor.Phys.(Kyoto) 92, 93 (1994)

S.Nishizaki, T.Takatsuka, J.Hiura

Properties of Hot Asymmetric Nuclear Matter

doi: 10.1143/ptp/92.1.93
Citations: PlumX Metrics


1991NI05      Prog.Theor.Phys.(Kyoto) 86, 853 (1991)

S.Nishizaki, T.Takatsuka, N.Yahagi, J.Hiura

Effective Two-Nucleon Interaction in Asymmetric Nuclear Matter

NUCLEAR REACTIONS 1n(n, n), (p, p), E ≈ astrophysical; calculated effective interaction parameters. Asymmetric nuclear matter.

doi: 10.1143/ptp/86.4.853
Citations: PlumX Metrics


1988NI05      Phys.Lett. 209B, 6 (1988)

S.Nishizaki, H.Kurasawa, T.Suzuki

Nuclear Magnetic Moments and the Spin-Orbit Current in the Relativistic Mean Field Theory

NUCLEAR STRUCTURE A=15, 17, 39, 41; calculated μ. Relativistic mean field theory.

doi: 10.1016/0370-2693(88)91818-7
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1988NI08      Nucl.Phys. A485, 515 (1988)

S.Nishizaki, T.Maruyama, H.Kurasawa, T.Suzuki

Quasielastic Electron Scattering on 12C and 40Ca in the Relativistic Hartree Approximation Relativistic Corrections to the Resopnse Functions

NUCLEAR REACTIONS 12C, 40Ca(e, e'), E ≈ 10-200 MeV; calculated longitudinal, transverse response functions, σ(θ(e'), E(e')). Relativistic Hartree approximation.

doi: 10.1016/0375-9474(88)90551-9
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1988NI09      Phys.Lett. 215B, 231 (1988)

S.Nishizaki, S.Drozdz, J.Wambach, J.Speth

Ground State Correlation Effects on the Gamow-Teller Strength Distribution in 48Ca

NUCLEAR STRUCTURE 40,48Ca; calculated occupation probabilites. 48Ca; calculated β+, β- sum rule strengths, Gamow-Teller transition strength.

doi: 10.1016/0370-2693(88)91425-6
Citations: PlumX Metrics


1987NI06      Phys.Lett. 190B, 11 (1987)

M.Nishimura, M.Fujiwara, S.Nishizaki

Isovector Collective Octupole State in f-p Shell Nuclei

NUCLEAR STRUCTURE 40Ca, 58Ni; calculated collective isovector octupole levels. Schematic model.

doi: 10.1016/0370-2693(87)90831-8
Citations: PlumX Metrics


1986NI03      Phys.Lett. 171B, 1 (1986)

S.Nishizaki, H.Kurasawa, T.Suzuki

Relativistic Hartree Response Function for Quasielastic Electron Scattering on 12C and 40Ca

NUCLEAR REACTIONS 12C, 40Ca(e, e'), E not given; calculated response functions. Relativistic self-consistent Hartree approximation.

doi: 10.1016/0370-2693(86)90986-X
Citations: PlumX Metrics


1984NI10      Prog.Theor.Phys.(Kyoto) 71, 1263 (1984)

S.Nishizaki, K.Ando

A Dynamical Macroscopic Description of Isovector Giant Multipole States

NUCLEAR STRUCTURE A=184; calculated isovector giant dipole, quadrupole states. Irrotational fluid dynamical method.

doi: 10.1143/PTP.71.1263
Citations: PlumX Metrics


1980NI05      Prog.Theor.Phys.(Kyoto) 63, 1599 (1980)

S.Nishizaki, K.Ando

Energy Weighted Sum Rules for Spin-Dependent Excitations of Nuclei

NUCLEAR STRUCTURE 40Ca; calculated exchange contribution to EWSR. RPA, spin-dependent multipole operators.

doi: 10.1143/PTP.63.1599
Citations: PlumX Metrics


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