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Spectroscopy of Yb-155: Structure evolution in the N=85 isotones

机译：YB-155的光谱学：n = 85异处的结构演变

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摘要

High-spin states in Yb-155 have been studied via the Sm-144(O-16, 5n)Yb-155 reaction at a beam energy of 118 MeV. One negative-parity and one positive-parity cascade built on the nu f(7/2) and nu i(13/2) states, respectively, are established for the first time. The structures observed in Yb-155 are compared with those in the neighboring N = 85 isotones and with semiempirical shell-model (SESM) calculations. According to adiabatic and configuration-fixed constrained triaxial covariant density functional theory (CDFT) calculations, a coexistence of prolate and oblate shapes is predicted to exist in Yb-155.
机译：通过SM-144（O-16,5N）YB-155在118meV的光束能中反应研究了YB-155中的高旋转状态。 第一次建立在NU F（7/2）和NU I（13/2）和NU I（13/2）状态上构建的一个负奇偶校验和一个正奇偶级级联。 在YB-155中观察到的结构与相邻的N = 85同种子中的结构进行比较，并且具有半透镜壳模型（SESM）计算。 根据绝热和配置固定的三轴协承密度泛函理论（CDFT）计算，预计将存在于YB-155中的产物和扁平形状的共存。

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  • 来源
    《Physical review, C》 |2016年第2期|共6页
  • 作者

    Li X. Q.; Xu C.; Zhang S. Q.; Hua H.; Meng J.; Bark R. A.; Chen Q. B.; Niu C. Y.; Han R.; Wyngaardt S. M.; Wang S. Y.; Wang S.; Qi B.; Liu L.; Zhu L. H.; Shi Z.; Zhang G. L.; Sun B. H.; Le X. Y.; Song C. Y.; Ye Y. L.; Jiang D. X.; Xu F. R.; Sun J. J.; Shi Y.; Zhao P. W.; Liang W. Y.; Li C. G.; Wang C. G.; Chen X. C.; Li Z. H.; Sun D. P.; Liu C.; Li Z. Q.; Jones P.; Lawrie E. A.; Lawrie J. J.; Wiedeking M.; Bucher T. D.; Dinoko T.; Kheswa B. V.; Makhathini L.; Majola S. N. T.; Ndayishimye J.; Noncolela S. P.; Shirinda O.; Gal J.; Kalinka G.; Molnar J.; Nyako B. M.; Timar J.; Juhasz K.; Arogunjo M.;

  • 作者单位

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    iThemba LABS POB 722 ZA-7129 Somerset West South Africa;

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    Univ Stellenbosch Dept Phys ZA-7602 Matieland South Africa;

    Shandong Univ Sch Space Sci &

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    Solar Terr Env Weihai 264209 Peoples R China;

    Shandong Univ Sch Space Sci &

    Phys Shandong Prov Key Lab Opt Astron &

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    Nucl Energy Engn Beijing 100191 Peoples R China;

    Beihang Univ Sch Phys &

    Nucl Energy Engn Beijing 100191 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Peking Univ Sch Phys Beijing 100871 Peoples R China;

    Shandong Univ Sch Space Sci &

    Phys Shandong Prov Key Lab Opt Astron &

    Solar Terr Env Weihai 264209 Peoples R China;

    Shandong Univ Sch Space Sci &

    Phys Shandong Prov Key Lab Opt Astron &

    Solar Terr Env Weihai 264209 Peoples R China;

    Shandong Univ Sch Space Sci &

    Phys Shandong Prov Key Lab Opt Astron &

    Solar Terr Env Weihai 264209 Peoples R China;

    iThemba LABS POB 722 ZA-7129 Somerset West South Africa;

    iThemba LABS POB 722 ZA-7129 Somerset West South Africa;

    iThemba LABS POB 722 ZA-7129 Somerset West South Africa;

    iThemba LABS POB 722 ZA-7129 Somerset West South Africa;

    iThemba LABS POB 722 ZA-7129 Somerset West South Africa;

    iThemba LABS POB 722 ZA-7129 Somerset West South Africa;

    iThemba LABS POB 722 ZA-7129 Somerset West South Africa;

    iThemba LABS POB 722 ZA-7129 Somerset West South Africa;

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    Hungarian Acad Sci Inst Nucl Res H-4001 Debrecen Hungary;

    Hungarian Acad Sci Inst Nucl Res H-4001 Debrecen Hungary;

    Hungarian Acad Sci Inst Nucl Res H-4001 Debrecen Hungary;

    Hungarian Acad Sci Inst Nucl Res H-4001 Debrecen Hungary;

    Hungarian Acad Sci Inst Nucl Res H-4001 Debrecen Hungary;

    Univ Debrecen Dept Informat Technol H-4010 Debrecen Hungary;

    Fed Univ Technol Dept Phys Akure Futa Ondo State Nigeria;

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