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Structure of Rotating Nuclei and Non-linear Collective Dynamics

Research Project

Project/Area Number 01044037
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionJoint Research
Research InstitutionInstitute for Nuclear Study, University of Tokyo

Principal Investigator

SAKATA Fumihiko  Institute for Nuclear Study, University of Tokyo, 原子核研究所, 助手 (50013438)

Co-Investigator(Kenkyū-buntansha) HERSKIND Bent  Niels Bohr Institute, Copenhagen University, ニールズボーア研究所, 講師
DOSSING Thom  コペンハーゲン大学, ニールズボーア研究所, 助教授
HAGEMANN Gudrun  Niels Bohr Institute, Copenhagen University, ニールズボーア研究所, 講師
OTSUKA Takaharu  Department of Physics, University of Tokyo, 理学部, 助教授 (20201379)
MOTTELSON Ben  NORDITA, Copenhagen University, 北欧物理学研究所, 教授
MIZUTORI Shojiro  Institute for Nuclear Study, University of Tokyo, 原子核研究所, 学振特別研究員
SAKAMOTO Hideo  Faculty of Engineering, Gifu University, 工学部, 講師 (60211265)
IKEDA Akitsu  Faculty of Science and Technology, Shizuoka Science and Technological Univ., 理工学部, 教授 (40016126)
SUGAWARA Masahiko  Institute of Natural Science, Chiba Institute of Technology, 自然系, 講師 (00146284)
KUSAKARI Hideshige  Faculty of Education, Chiba University, 教育学部, 教授 (00092049)
INOUE Hikaru  Department of Physics, Hiroshima University, 理学部, 助教授 (30028170)
MITARAI Shiro  Department of Physics, Kyushu University, 理学部, 助手 (00108648)
KOMATSUBARA Tetsuro  Institute of Physics, University of Tsukuba, 物理学系, 助手 (10195852)
FURUNO Kohei  Institute of Physics, University of Tsukuba, 物理学系, 教授 (40015772)
MARUMORI Toshio  Institute of Physics, University of Tsukuba, 物理学系, 教授 (10037145)
DPHISSING Thomas  Niels Bohr Institute, Copenhagen University
BENT Hersken  コペンハーゲン大学, ニールスボーア研究所, 講師
THOMAS Dossi  コペンハーゲン大学, ニールスボーア研究所, 助教授
GUDRUN Hagem  コペンハーゲン大学, ニールスボーア研究所, 講師
BEN Mottelso  コペンハーゲン大学, 北欧物理学研究所, 教授
SLETTEN G.  コペンハーゲン大学, ニールスボーア研究所, 講師
HERSKOND Ben  コペンハーゲン大学, ニールスボーア研究所, 講師
HAGEMAN Gudr  コペンハーゲン大学, ニールスボーア研究所, 講師
DOSSONG Thom  コペンハーゲン大学, ニールスボーア研究所, 教授
木野内 慎一  東京大学, 原子核研究所, 学振特研生 (40211875)
田辺 孝哉  埼玉大学, 教養部, 教授 (00008905)
黒柳 登喜大  九州大学, 理学部, 教授 (70037159)
加藤 哲久  九州大学, 理学部, 助手 (30037204)
Project Period (FY) 1989 – 1991
Project Status Completed (Fiscal Year 1991)
Budget Amount *help
¥13,500,000 (Direct Cost: ¥13,500,000)
Fiscal Year 1991: ¥5,000,000 (Direct Cost: ¥5,000,000)
Fiscal Year 1990: ¥5,000,000 (Direct Cost: ¥5,000,000)
Fiscal Year 1989: ¥3,500,000 (Direct Cost: ¥3,500,000)
KeywordsHigh-spin states / Large-amplitude collective motion / Super-deformation / Rotating shell model / Triaxial deformation / Nonlinear collective dynamics / Heavy-ion post accelerator / Nord-Ball, Si-Ball / 原子核構造 / 高速囲転状態 / 囲転系数模形 / ボソン展開 / 高分解能全立体角ガンマ線測定 / ク-ロン励起 / 高速回転状態 / 量子カオス
Research Abstract

INS-NBI cooperative research project on High-Spin Physics had started in 1987. In 1988, Japanese group installed five ACS-BGO detectors into the Tandem Accelerator Laboratory at Risphi, NBI to form a part of the most powerful multi gamma-ray detection system called NORD-BALL. Japanese group contributed for construction of the heavy-ion postaccelerator at NBI. A silicon detector array (Si-Ball) capable of identifying the reaction channels in heavy-ion reactions was constructed by Japanese group, forming a combined system with Nord-Ball which opened the nuclear spectroscopic experiments at new deformed region of A<approximately equal>
The Japanese experimental activity performed in this project is mainly divided into three : (Experimental project I : High-spin states experiment in odd-odd nuclei with A<approximately equal>130) High-spin states of ^<124>Cs have been investigated. The signature inversion in ^<124>Cs turned out to be different from those observed in heavier rare-earth nuclei. A similar signature dependence is observed in ^<126>Cs. Theoretical analysis based on the conventional models can not fully reproduce this new phenomena. (Experimental project II : High-spin experiment in A<approximately equal>80-90 region) By using Nordball-Si ball complex detector system, new level scheme of ^<87>Mo, ^<87>Nb, ^<82>Nb, ^<82>Y, ^<81>Y, ^<82>Zr and ^<82>Sr have been established. In nuclei with N=45 and 46 whose ground state has small deformation, the rapidly rotating states seem to have strong deformation. (Experimental project III : Coulomb Excitation experiments in transitional nuclei) Various coulomb excitation experiments and coulomb-transfer experiment for ^<154>Sm with ^<58>Ni beam were carried out. Various new levels were observed on top of the known bands.
There have been made variety of cooperative research activities involving Japanese theoretical nuclear physicists. Various exciting progress are listed in the references.

Report

(3 results)
  • 1991 Annual Research Report   Final Research Report Summary
  • 1990 Annual Research Report
  • Research Products

    (135 results)

All Other

All Publications (135 results)

  • [Publications] F. Sakata: "Master Equation in the Microscopic Theory of Nuclear Collective Dynamics" Ann. Phys.194. 30 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] F. Sakata: "Breaking of the Separability Condition for Dynamical Collective Subspace-Onset of Quantum Chaos in Large-Amplitude Collective Motion-" Prog. Theor. Phys.82. 965 (1989)

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      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] M. Matsuo: "Dissipation Mechanism of the Large-Amplitude Collective Motion-Dynamical Evolution of a Collective Bundle of Trajectories in the TDHEF Phase・Space for the Simple Soluble Model-" Prog. Theor. Phys.82. 1084 (1989)

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      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Marumori: "A Microscopic Theory of Nuclear Dissipative Collective Dynamics-Dissipative Collective Behavior and Order-to-Chaos Transformation of Intrinsic Motions-" NT-Rep.No. 2. (1990)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] F. Sakata: "Nuclear Spectroscopy and Quantum Chaos" Proc. Intern. Workshop on Nuclear Dynamics ; Nuclear Physics. A519. 93-108 (1990)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] H. Tsukuma: "Quantum Chaoticity and Fractional Parentage Plot based on the Microscopic Theory of Nuclear Collective Dynamics-Violation of Separability Condition to Specify Optimum Collective Subspace-" INS-Rep.835. (1990)

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      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] F. Sakata: "Microscopic Theory of Nuclear Collective Dynamics-Inter-relationship between Quantum Chaos and Nuclear Spectroscopy-" Proc. First Lanzhou Summer School on Frontier Topics in Nuclear Structure Physics (Lanzhou, China, May 28-June 8, 1990) INS-Rep.848. (1990)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] J. Terasaki: "Microscopic Description of Nuclear Collective Rotation by Means of Self-Consistent Collective Coordinate Method-Occurence Mechanism of Collective Rotation-" Prog. Theor. Phys.85. 1235 (1991)

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      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] F. Sakata: "Toward the Fundamental Theory of Nuclear Matter Physics-Microscopic Theory of Nuclear Collective Dynamics-" Proc. The 5-th Nishinomiya Yukawa-Memorial Symposium on Theoretical Physics (Nishinomiya, Japan, Oct. 25-26, 1990). (1990)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] Y. Hashimoto: "A Microscopic Theory of Dissipative Nuclear Collective Motions" Proc. the 2nd Workshop on Thermal Field Theories and Their Applications (Tsukuba, July 23-27, 1990) Thermal Field Dynamics (North-Holland, 1991) 223.

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] F. Sakata: "Nuclear Collective Dynamics and Chaos" Direction in Chaos, Vol. 4 (Series Edotor Bai-Lin Hao, World Scientific Pub. Inc.), INS-Rep.909.

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      1991 Final Research Report Summary
  • [Publications] T. Komatsubara: "Level Structure of ^<124>Ba" Nuclear Physics. A496. 605 (1989)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] K. Furuno: "Impedance Matching of rf Power Couling Loop for Heavy-Ion Linear Accelerators" Nuclear Instruments and Methods in Physics Research. A281. 19 (1989)

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      1991 Final Research Report Summary
  • [Publications] T. Komatsubara: "High-Spin Structure in the Odd-Odd Nucleus ^<124>Cs" Zeitschrift fur Physik. A335. 113

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      1991 Final Research Report Summary
  • [Publications] C-H Yu. G. B. Hagemann: "High-Spin Spectroscopic Study of ^<161>Lu" Nuclear Physics. A511. 157 (1990)

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      1991 Final Research Report Summary
  • [Publications] K. Furuno: "In-beam Spectroscopy with NORDBALL and High-Spin States of ^<124>Cs" The Taro Tamura memorial RIKEN symposium on Nuclear Collective Motion and Nuclear Reaction Dynamics, ed. by K. I. Kubo, M. Ichimura, M. Ishihara and S. Yamaji, World Scientific Pub Co. (1990). 140 (1990)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] T. Komatsubara: "High-Spin States in Odd-Odd Nuclei of ^<126>Cs and ^<124>La" Zeitschrift fur Physik.

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] H. Hosoda: "High-Spin Band Structure in the Odd-Odd Nucleus ^<124>Cs" Nuclear Physics.

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] H. Sakamoto: "Microscopic Analysis of Nuclear Collective Motions in Terms of the Boson Expansion Theory (I) -Formulation-" Nuclear Physics. A486. 1-42 (1988)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] H. Sakamoto: "Self-Consistent Effective Interactions in Nuclei (I) -Doubly-Stretched Multipole Interactions in Deformed Nuclei-" Nuclear Physics. A501. 205-241 (1989)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] H. Sakamoto: "Self-Consistent Effective Interactions in Nuclei (II) -Higher-Order Effective Interactions in Nuclei-" Nuclear Physics. A501. 242-269 (1989)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] H. Sakamoto: "Origin of the Multipole Pairing Interactions" Phys. Lett.B245. 321-324 (1990)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] H. Sakamoto: "Microscopic Analysis of Nuclear Collective Motions in Terms of the Boson Expansion Theory (II) -Numerical Calculations-" Nucl. Phys.A528. 73-143 (1991)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] N. Kato: "The Effect of Heavy-Ion Irradiation on an Implanted-Si Position-Sensitive Detector" Nuclear Instruments and Methods in Physics Research. B51. 425 (1990)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] T. Morikawa: "Coulomb Excitation of ^<154>Sm" A Report on the Research Activities at the Niels Bohr Institute & NORDITA. (1991)

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      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Morikawa: "Coulomb Excitaion of ^<160>Gd" A Report on the Research Activities at the Niels Borh Institute & NORDITA. (1991)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] T. Morikawa: "Coulomb Excitation of ^<154>Sm" Zeitschrift fur Physic,.

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] T. Morikawa: "Coulomb Excitation of Sm and Gd Isotopes" Contribution to The 21st INS International Symposium on Rapidly Rotating Nuclei 1992.

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] K. Takada: "Biunitary Representation of the Selfconsistent Collective-Coordinate Method for Large-Amplitude Collective Motion" Nucl. Phys.a468. 11-28 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "Non-Unitary Realization of the Selfconsistent Collective-Coordinate Method" Prog. Theor. Phys.77. 1192-1208 (1987)

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      1991 Final Research Report Summary
  • [Publications] M. Matsuzaki: "Signature Dependence of M1 and E2 Transitions in Rotating Triaxial Odd-A Nuclei" Prog. Theor. Phys.77. 1302-1306 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "Role of Static and Dynamic Pairing Correlations in the Superdeformed Band of ^<162>Dy" Phys. Lett.198B. 33-36 (1987)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "A Boson Expansion Approach for Including Fluctuations in the calculation of the Pairing Phase Transition Taking Place in Strongly Rotating Nuclei" Nucl. Phys.A476. 223-227 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] M. Matsuzaki: "Quasi particle-Vibration Couplings in Rotating Triaxial Odd-A Nuclei" Prog. Theor. Phys.79. 836-862 (1988)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] K. Takada: "Application of the Dyson-type Non-Unitary Representation of the Selfconsistent Collective-Coordinate Method to Simple Models (I). The SU (3) model" Nucl. Phys.A485. 189-209 (1988)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] H. Thorn: "Application of the Dyson-type Non-Unitary Representation of the Selfconsistent Collective-Coordinate Method to Simple Models (II). The O (4) model" Nucl. Phys.A486. 221-234 (1988)

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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "Pairing Fluctuations in Rapidly Rotating Nuclei" Rev. Mod. Phys.61. 131-168 (1989)

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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "Effects of Pairing Correlations on Superdeformed Bands in the A<approximately equal>150 " Nucl. Phys.A509. 80-110 (1990)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "Inertias of Superdeformed Bands" Phys. Rev.C41. 1861-1864 (1990)

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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "Quantum Size Effects in Rapidly rotating Nuclei" Phys. Rev.C41. 1865-1868 (1990)

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      1991 Final Research Report Summary
  • [Publications] S. Mizutori: "Octupole Vibrations Built on Superdeformed Rotational Bands" Prog. Theor. Phys.83. 666-670 (1990)

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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "A Comparison of the RPA and Number Projection Approaches for Calculations of Pairing Fluctuations in Fast Rotating Nuclei" Nucl. Phys.A515. 38-56 (1990)

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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "How Can We Tell the Transition from the Superconducting to the Normal Phase?" Nucl. Phys.A520. 477-490 (1990)

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      1991 Final Research Report Summary
  • [Publications] K. Takada: "Two-Octupole-Phonon States in ^<208>Pb" Nucl. Phys.A523. 354-372 (1991)

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      1991 Final Research Report Summary
  • [Publications] S. Mizutori: "Octupole Vibrations with K=1 and 2 in Superconducting, Superdeformed Nuclei" Prog. Theor. Phys.85. 559-566 (1991)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] S. Mizutori: "Soft Octupole Vibrations with K=O and K O Built on Superdeformed Bands and Static Pairing Correlations" Prog. Theor. Phys.86. 131-149 (1991)

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      1991 Final Research Report Summary
  • [Publications] Y. R. Shimizu: "Superfluid Tunneling in Superdeformed nuclei" Phys. Lett.B274. 253 (1992)

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      1991 Final Research Report Summary
  • [Publications] A. Ikeda: "Shape Fluctuation as Responsible for Signature Inversion" Phys. Rev. Lett.63. 139-142 (1989)

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      1991 Final Research Report Summary
  • [Publications] A. Ikeda: "Anomalous Signature-dependence of Rotational Bands in Odd-A Nuclei Explained in terms of gamma-Vibration" Phys. Rev.C42. 149-166 (1990)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] A. Ikeda: "Signature Inversion as a Manifestation of gamma-Vibration" Proceedings of the International Conference on "High Spin Physics and Gamma-Soft Nuclei", Pittsburgh, USA September 17-21, 1990, ed. J. X. Saladin, R. A. Sprensen, and C. M. Vincent. 484-499 (1991)

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      1991 Final Research Report Summary
  • [Publications] B. Herskind: "Fluctuation Analysis of Higher Spin Continuum Spectra to Higher Order" Proceedings of the 3rd International Spring Seminar on Nuclear Physics "Understanding the Variety of Nuclear Excitations", Ischia, Italy May 21-25, 1990 ed. Aldo Covello. 591-617 (1991)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] B. Herskind: "Fluctuation Analysis of the Ridges Structures in 2-D gamma-Spectra of the High-Spin Quasi-Continuum" Proceedings of the International Conference on "High Spin Physics and Gamma-Soft Nuclei", Pittsburgh, USA September 17-21, 1990, ed. J. X. Saladin, R. A. Sorensen, and C. M. . Vincent. 44-58 (1991)

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      1991 Final Research Report Summary
  • [Publications] A. Ikeda: "Effects of Coriolis Perturbation on Nurmal-Parity Rotational Bands of Odd-Mass Nuclei" Prog. Theor. Phys.85. 547-557 (1991)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] B. Herskind: "Fluctuation Analysis of Rotational Decay from Excited Nuclei" Phys. Rev. Lett.(1992)

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      1991 Final Research Report Summary
  • [Publications] T. Shimano: "Scissors Mode as an Inevitable Consequence of the Recoil Term" Phys. Rev. C. (1992)

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      1991 Final Research Report Summary
  • [Publications] J. Mukai: "New isotope ^<79>Y" Proceedings of the Forth Specialist Research Meeting on Measurements of Short-Lived Isotope, Kyoto University Research Reactor Institute, 1988 ; KURRI-TR. 303. 7 (1988)

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      1991 Final Research Report Summary
  • [Publications] T. Kuroyangi: "Data Acquisition and Anlysis System at Niels Bohr Institute" Proceedings of the Forth Specialist Research Meeting on Measurements of Short-Lived Isotope, Kyoto University Research Reactor Institute, 1988 ; KURRI-TR. 303. 4 (1988)

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      1991 Final Research Report Summary
  • [Publications] J. Mukai: "Trial Production and Performance Test of Si Ball" Proceedings of the INS-NBI Workshop on Rotation and Vibration in Nuclei, Institute for Nuclear Study, Tokyo University, 1988 ; Gneshikaku Kenkyu. 33. 219 (1988)

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      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "Studies of High Spin and Heighly Excited States of Nuclei in the Region of 28<N, Z<50" Proceedings of the Workshop on Studies with NORDBALL in INS-NBI Collaboration, Institute for Nuclear Study, Tokyo University, 1987 ; Genshikaku Kenkyu. 32. 17 (1988)

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      「研究成果報告書概要(欧文)」より
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      1991 Final Research Report Summary
  • [Publications] Y. Onizuka: "Band Structure of ^<83>Zr and ^<85>Zr" Proceedings of the INS-NBI Symposium on the Structure of Rotating Nuclei, Institute for Nuclear Study, Tokyo University, 1988 ; Genshikaku Kenkyu. 33. 119 (1988)

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      1991 Final Research Report Summary
  • [Publications] S. Suematsu: "The Nuclear Struture of ^<83>Zr" Nucl. Phys.A485. 304 (1988)

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      1991 Final Research Report Summary
  • [Publications] T. Kuroyanagi: "New Nuetron Deficient Isotopes ^<83>Nb and ^<85>Nb" Nucl. Phys.A484. 264 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "A Charged Particle Multiplicity Filter for Nuclidic Identification of the Specific Gamma Rays" Nucl. Instr. and Meth.A277. 491 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] B. J. Min: "The Nuclear Structure of ^<87>Nb" Proceedings of the RCNP Symposium on Gamma Radiations and Nuclear Structure, Research Center for Nuclear Physics, Osaka University, 1989 ; RCNP-P. 108. 14 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "The (palphangammagamma) Coincidence Experiments for Nuclei around A=80 by NORDBALL and Si Ball" Proceedings of the RCNP Symposium on Gamma Radiations and Nuclear Structure, Research Center for Nuclear Physics, Osaka University, 1989 ; RCNP-P. 108. 20 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] R. Nakatani: "The 4pi Si Ball" Proceedings of the First Specialist Research Meeting on Studies of Nuclear Chemistry and Nuclear Physics at Research Reactor, Kyoto University, 1989 ; KURRI-TR. 318. 11 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] R. Nakatani: "Si Crystal Ball" Proceedings of the Third Workshop on Topics in Nuclear Radiation Detection, Fukuoka, 1989 (Kyushu University, 1989). 101 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. E. Arnell: "The NORDBALL system Adopted for Spectroscopy of Nuclei Far From Stability" Contributed paper of the International Conference on Nuclear Physics in Nineties, Ork Ridge. 214 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Kuroyanagi: "Gamma-Ray Measurement by Crystal Ball in Mass=80 Region" Report of the Seminar on Nucl. Phys. and Atomic Phys. at the JAERI Tandem Booster Accelerator, Japan Atomic Research Institute, 1989 ; JAERI-M. 90-07. 22 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "Evidence for Strongly Deformed Nuclear Shapes in the A=80 Mass Region" Proceedings of the Eighth General Conference of the European Physical Society, Amesterdam, (1990).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] H. Inoue: "Experimental Studies of High Spin States of Nuclei by Coulomb Excitation and Measurements of in-beam gamma rays" Proceedings of the Second Specialist Research Meeting on Studies of Nuclear Chemistry and Nuclear Physics at Research reactor, Kyoto University, 1990 ; KURRI-TR. 333. 13 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] B. J. Min: "The Level Structure of ^<87>Nb" Nucl. Phys.A530. 211 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Kuroyanagi: "The Band Structure of ^<82>Sr" Proceedings of the INS Workshop on Nuclear Structure at Hei Spin and High Excitation Genshikaku Kenkyu. 35. 51 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "In-beam Measurement by NORDBALL, Inner Ball, Neutron Wall and Si Ball" Proceedings of the INS Workshop on Nuclear Structure at Hei Spin and High Excitation Genshikaku Kenkyu. 35. 211 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] B. Cederwall: "High-Spin Stated in ^<121>Ba and Deformation Dependent Alignments" Nucl. Phys.A529. 410 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Kuroyanagi: "Multiplicity Measurement of Charged Particles Emitted in Nuclear Reaction" Proceedings of the Fourth Workshop on Topics in Nuclear Radiation Detection, Fukuoka, 1991 (Kyushu University, 1991), Genshikaku Kenkyu. 36. 153 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] A. Odahara: "The beta Decay of the New Isotope ^<88>Tc" Proceedings of the first Specialist Research Meeting on the Electromagnetic Isotope Separators and their Applications, April 1991 ; KURRI-TR. 348. 68 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "Si Ball of New Type" Proceedings of the first Specialist Research Meeting on the Electromagnetic Isotope Separators and their Applications, April 1991 ; KURRI-TR. 348. 65 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "Detection of New Isotopes by Means of Rotating Disk Transport." Proceedings of the Symposium on Studies of Production of Short Lived Activities far from Stability Line Tohoku University, March 1991 ; EM12-12 : presympo-1. 45 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] B. Cederwall: "High Spin State of ^<120>Ba" Z. Phys. A-Hadrons and Nuclei. 338. 338 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] B. Cederwall: "Neutron and Proton hll/2 Alignments Effect in ^<121>La" Z. Phys. A-Hadrons and Nuclei. 338. 463 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Juutinen: "Evidence for Band Termination in ^<18>Xe" Z. Phys. A-Hadrons and Nuclei. 338. 465 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] K. Heiguchi: "Half Lives and Q_<beta> Measurements for new nuclei 89Tc and 89mTc" Z. Phys. A-Hadrons and Nuclei. 338. 7 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] H. Tomura: "Data Acquisistion and Analysis System on Nuclear Spectroscopy in Kyushu University" Proceedings of the RIKEN Symposium on Nuclear Spectroscopy by Means of Heavy Ion Reaction, The Institute of Physical and Chemical Research, August 1991. 2 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "NBI Collaboration II (Kyushu Univ. Group on Nuclear Experiment)" Proceedings of the RIKEN Symposium on Nuclear Spectroscopy by Means of Heavy Ion Reaction, The Institute of Physical and Chemical Research, August 1991. 126 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] J. Mukai: "The beta Decay of the New Isotope ^<79>Y" Z. Phys. A-Hadrons and Nuclei. (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "Rotational Band of ^<82>Zr" Z. Phys. A-Hadrons and Nuclei. (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Shizuma: "Search of New Isotope ^<86>Mo" Proceedings of the Second Specialist Research Meeting on the Electromagnetic Isotope Separators and their Applications, March 1992 ; KURRI-TR (KURRI, 1992) to be published.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Kuroyanagi: "The Silicon Ball : A 4pi Si Detector Array for Reaction Channel Selection" Nucl. Instr. Meth.(1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mitarai: "Level Structure of ^<81>Y" Proceedings of the RCNP Symposium on New Aspect on Nuclear Spectroscopy and Nuclear Structure, Research Center of Nuclear Physics, Osaka University, Dec. 1991,. (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] M. Matsuo: "Microscopic Description of Anharmonic Gamma-Vibrations by Means of the Selfconsistent-Collective-Coordinate Method. III" Prog. Theor. Phys.78. 591 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] M. Matsuzaki: "Effects of Static and Dynamical Triaxial Deformations on Properties of B (M1) and B (E2) in Odd-A, High-Spin States" "The Variety of Nuclear Shapes". 465 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] M. Matsuzaki: "Quasi particle-Vibration Couplings in Rotating Triaxial Odd-A Nuclei" Prog. Theor. Phys.79. 836 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] H. Aiba: "Analysis of Collective-Noncollective Couplings in a Degenerate Many. j-Shell Model" Prog. Theor. Phys.81. 690 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mizutori: "Collective Vibrations Built on Superdeformed High-Spin States" "Nuclear Collective Motion and Nuclear Reaction Dynamics". 119 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Fukui: "Diabatic Approach to Shape Coexistence Phenomena in Semi-Magic Nuclei. I---Illustration of Basic Ideas---" Prog. Theor. Phys.85. 281 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Mizutori: "Soft Octupole Vibrations with K=0, 1, 2, 3 Built on Superdeformed Bands" Proceedings of the Workshop-Symposium on "Future Directions in Nuclear Physics with four pi Gamma Detection Systems of the New Generation", March 1991, Strasbourg, France.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T. Nakatsukasa: "Octupole Vibrations in the Harmonic-Oscillator-Potential-Model with Axis Ratio Two to One" preprint KUNS 1096,.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 坂田 文彦,丸森 寿夫: "Nudear Collective Dynamics and Chaos" Direction in Chaos (World Scientific Pub.). 4.

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      1991 Annual Research Report
  • [Publications] 寺崎 順,大森 寿夫,坂田 文彦: "Microscopic Description of Nuclear Collective Rotation by neans of Selfーconsistent Collective Coordinate Uethod" Progress of Theoretical Pysics. 85. 1235-1270 (1991)

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      1991 Annual Research Report
  • [Publications] 水鳥 正二郎,清水 良文,松柳 研一: "Soft Octapole Vibration with K=0 and K≠0 Buitt on Superdeforned Bands and Static Pairing Correlations" Progress of Theoretical Physics. 86. 131-149 (1991)

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      1991 Annual Research Report
  • [Publications] 清水 良文,F.Barranco,R.A.Broglia,T.Dossing E.Vigezzi: "Superfluid Tunnoling in Superdeformed Nuclei" Physics Letters. B274. 253 (1992)

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      1991 Annual Research Report
  • [Publications] 水鳥 正二郎,清水 良文,松柳 研一: "Octapole Vibrations with K=1 and K=2 in Superconducting,Superdeformed Nuclei" Prog.Theor.Phys.85. 559-566 (1991)

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      1991 Annual Research Report
  • [Publications] B.J.Min,S.Suemutsu,S.Mitarai T.Kuroyanagi,K.Heiguchi M.Natsuzako: "The Level Structure of ^<87>Nb" Nuclear Physics. A530. 211 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] B.Cederwall,A.Johnson,R.Wyss,C.G.Liden,S.Mitarai,J.Mukai,B.Fant,: "High-Spin States in ^<121>Ba and Deformation Dependent Alignments" Nuclear Physics. A529. 410 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] B.Cederwall,A.Johnson,R.Wyss,F.Liden,B.Fant,S.Juntonen,P.Ahonen,S.Mitarai,J.Mukai: "High Spin States of ^<120>Ba" Zeit.Phys.A338. 461 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] B.Cederwall,A.Johnson,B.Fant,S.Juntonen,P.Ahcnen,S.Mitarai,J.Mukai,J.Nyberg: "Neutron and Droton h_<11/2> Alignments Effect in ^<121>La" Zeit Phys.A338. 463 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] S.Juutinen,S.Tormanen,B.Cederwall,A.Johnson,R.Julin,S.Mitarai,J.Mukai: "Evidence for Band Termination in ^<118>Xe" Zeit.Phys.A338. 465 (1991)

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      1991 Annual Research Report
  • [Publications] K.Heiguchi,T.Hasada,T.Komatsubara,T.Nomura,K.Furano,R.Nakatani,: "Half Lives and Q_β Measarements for new nuclei of ^<89>Tc and ^<89m>Tc" Zeit.Phys.A338. 7 (1991)

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      1991 Annual Research Report
  • [Publications] J.Mukai,A.Odahara,R.Nakatani,Y.Haruta,H.Tomura,B.J.Min: "The β Decay of the New Isotope ^<79>Y" Zeit.Phys. (1992)

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      1991 Annual Research Report
  • [Publications] S.Mitarai,T.Kuroyanagi,A.Odahara,J.Mukai,: "Rotational Band of ^<82>Zr" Zeit.Phys. (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Kuroyanagi,S.Mitarai,S.Suemitsu,B.J.Min,: "The Silicon Ball:A 4π Si Detector Array for Reaction Channel Selection" Nucl.Instr.Meth.(1992)

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      1991 Annual Research Report
  • [Publications] T.Morikawa,H.Inoue,Y.Iwata,T.Matsuoka,Y.Yoshizawa,N.Kato: "Coulomb Excitation of ^<154>Sm" Zeit.Phys.

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      1991 Annual Research Report
  • [Publications] B.Herskind,A.Bracco,R.A.Broglia,T.Dossing,A.Ikeda,S.Leoni,J.Lisle: "Fluctuation tralysis of Rotational Decay from Excited Nuclei," Phys.Rev.Lett.

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      1991 Annual Research Report
  • [Publications] T.Shimano and A.Ikeda: "Scissor Mode as an Inevitable Consequence of Recoiltem" Phys.Rev.C.

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      1991 Annual Research Report
  • [Publications] T.Komatsubara,T.Hayakawa,K.Farano,B.Cederwall: "High-Spin States in Odd-Odd Nuclei of ^<126>Cs and ^<124>La" Zeit.Phys.

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      1991 Annual Research Report
  • [Publications] H.Sakamoto and T.Kishimoto: "Microscopic tnalysis of Nuclear Collective Motion in torms of the Boson Expansion Theory (II)" Nucl.Phys.A528. 73-143 (1991)

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      1991 Annual Research Report
  • [Publications] H.Hosoda,T.Komatabar,K.Faruno,J.Espino,J.Gascon: "High-Spin Band Structure in Odd-Odd nucleus ^<124>Cs" Nucl.Phys.

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      1991 Annual Research Report
  • [Publications] 坂田 文彦,丸森 寿夫,橋本 幸男,山本 佳史,津久間 秀彦,岩沢 和男: "Nuclear spectroscopy and quantum chaos" Nuclear Physics. A519. 93C-108C (1990)

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      1990 Annual Research Report
  • [Publications] 坂田 文彦,丸森 寿夫,橋本 幸男,津久間 秀彦,山本 佳史,岩沢 和男: "Microscopic theory of nuclear collective dynamicsーinterrelationship between quaintum chaos and nuclear speactrscopyー" Proc.first lanzhow summer school way28ーJune8,1990 lanzhou,china) sprongerーverlag より出版予定.

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      1990 Annual Research Report
  • [Publications] 坂田 文彦,丸森 寿夫,橋本 幸男,津久間 秀彦,山本 佳史,寺崎 順,岩波 和男,板橋: "Toward the fandamental theary of nuclear matter physics" Proc.5ーth NishinomiyaーYukawa memorial symposium (Oct.25ー26,1990,Nishinomiya,Japan) springerーverlagより出版予定.

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      1990 Annual Research Report
  • [Publications] 小松原,古野,細田,Espino,Gascon,Hagemann,岩田,Jerrestam,加藤,森川,Nyberg,Sletten,Tjom: "HighーSpin Structure in the OddーOdd Nudeis^<124>Ce" Zeit.Phys.A335. 113-114 (1990)

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      1990 Annual Research Report
  • [Publications] Moon,Kom,Kwon,Sung,古野,小松原,細田,金子,Jeong,Kumiawan,青木: "Band Structure and Triaxial Shape in ^<118>Xe" Nucl.Phys.A510. 173-188 (1990)

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      1990 Annual Research Report
  • [Publications] Yu,Hagemann,Espino,古野,Garrett,Chapman,Clarke,: "HighーSpin Spectroscopic Study of ^<161>Lu." Nucl.Phys.A511. 157-194 (1990)

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      1990 Annual Research Report
  • [Publications] 大塚 孝治,Pan,有馬 誠人: "Saturation of E2 Transition and Pali Factors in the Interacting Boson Model" Physics Letters. 247B. 191-196 (1990)

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      1990 Annual Research Report
  • [Publications] Barrett,大塚 孝治: "Structure and Decay Modes of Antosymmetric BーVibrations in the O(16) limit of the nーp Interacting Bason Model" Physical Review. C42. 2438-2441 (1990)

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      1990 Annual Research Report
  • [Publications] 閔,末光,御手洗,黒柳,平口,松崎: "The Level Structure of ^<87>Nb" Nuclear Physics 出版予定.

    • Related Report
      1990 Annual Research Report
  • [Publications] Cederuwall,Johnson,Wyss,Liden,御手洗,向井,Fant,Juutiner,Ahonen,Nyberg: "High Spin States in ^<121>Ba and Deformation dependent Alignments" Nuclear Physics 出版予定.

    • Related Report
      1990 Annual Research Report
  • [Publications] 木野内 慎一,冠 哲夫,岸本 照夫: "Nuclear Collective Rotation in the SU_3 Model III" Progress Theoretical Physics. 83. 766- (1990)

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      1990 Annual Research Report
  • [Publications] 平口,細田,小松原,野村,古野,中谷,御手洗,黒柳: "Halfーlives and Qβ measurements for new unclei of ^<89>Tc and ^<89m>Tc" Zeitschrift fur Physik.

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      1990 Annual Research Report
  • [Publications] 田辺 孝哉,田辺 和子: "Poof of the Ectended BlochーMessiah theorem in the thermal HartreeーFockーBogoliubov Thoery" Physics.Letters. 247B. 202-205 (1990)

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      1990 Annual Research Report
  • [Publications] 田辺 孝哉,田辺 和子: "Microscopic Structure of the Superdeformed Rotational Band in ^<132>Ce" Progress of Theoretical Physics. 83. 1148-1158 (1990)

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      1990 Annual Research Report
  • [Publications] 田辺 孝哉,田辺 和子: "Microscopic Pooperties of the Superdeformed Rotational States in Light rareーearth Nudei ^<132>Ce and ^<134,136>Nd" Physics Letters. B. (1991)

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      1990 Annual Research Report
  • [Publications] 田辺 孝哉: "Extension of the Thermal Random Phase Approximation by the Thermo Field Dynamics" Proc.2nd Workshop on the thermal Field Theories and Their Applications.(July23ー27,1990,Tsukuba) North Holland より出版予定.

    • Related Report
      1990 Annual Research Report
  • [Publications] 田辺 孝哉: "The BlochーMessiah Theorem for the Thermal HaitreeーFockーBogoliubov Theory" Proc.2nd Workshop on the Thermal Field Theories and Their Applications (July 23ー27,1990,Tsukuba) North Holland より出版予定.

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      1990 Annual Research Report

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