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首页> 外文期刊>Physical review, C >Possible antimagnetic rotational band and neutron alignment in In-113
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Possible antimagnetic rotational band and neutron alignment in In-113

机译：可能的抗动磁力旋转带和中子对齐在-113中

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摘要

High-spin states of In-113 have been populated using the Pd-110(Li-7, 4n)(113) In reaction at beam energies of 38 and 50 MeV. More than 50 new gamma transitions are observed in In-113 . Three previously observed magnetic dipole bands are extended to higher spin states, and several new E2 crossover transitions within the bands are observed in two of the dipole bands. A new positive-parity Delta I = 2 band built on the pi d(5/2) configuration is established. The known Delta I = 2 band is extended to 51/2(+) state, and a gentle up-bend associated to the alignment of neutrons in the normal-parity nu g(7/2)/d(5/2) orbitals is found. The properties of this band are discussed based on the self-consistent tilted axis cranking relativistic mean-field model calculations. The predicted B (E2), deformation parameters beta(2) and gamma, and J((2))/B(E2) ratios indicate that the Delta I = 2 band based on the pi g(9/2)(-2)g(7/2) circle times nu(h(11)(/2))(2) and pi g(9/2)(-2)g(7/2) circle times nu(h(11)(/2))(2)(g(7/2)/d(5/2))(2) configurations, has the characteristics of antimagnetic rotation. Furthermore, the two-shears-like mechanism for the possible antimagnetic rotational bands is examined by investigating the orientation of the angular momenta.
机译：在38和50meV的光束能量下，使用PD-110（Li-7,4N）（113）填充了113中的高旋转状态。在113中观察到超过50个新的伽玛过渡。三个先前观察到的磁性偶极带延伸到较高的旋转状态，并且在两个偶极带中观察到带内的几个新的E2交叉转换。建立了一个新的正面奇偶校验Δi= 2频段，基于PI D（5/2）配置。已知的delta i = 2频带延伸到51/2（+）状态，并且与正常奇偶校验Nu g（7/2）/ d（5/2）轨道中的中子对准相关的缓和上弯曲被发现。基于自我一致的倾斜轴曲柄曲柄相对论平均场模型计算讨论该频带的特性。预测的B（E2），变形参数β（2）和γ和j（（2））/ b（E2）比率表明Δi= 2频带基于pi g（9/2）（ - 2 ）G（7/2）圆形时间Nu（H（11）（/ 2））（2）和Pi g（9/2）（ - 2）g（7/2）圆次nu（h（11）（ / 2））（2）（g（7/2）/ d（5/2））（2）配置，具有抗磁旋转的特征。此外，通过研究角动度的取向来检查用于可能的抗磁旋转带的双剪切机构。

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  • 来源
    《Physical review, C》 |2019年第1期|共10页
  • 作者

    Ma K. Y.; Lu J. B.; Li J.; Yang D.; Ma Y. J.; Sun W. J.; Guan X.; Zhang D. M.; Zhu L. H.; Wu X. G.; Zheng Y.; Li C. B.; Liu Y. Z.;

  • 作者单位

    Jilin Univ Coll Phys Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Phys Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Phys Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Phys Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Phys Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Phys Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Phys Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn Changchun 130012 Jilin Peoples R China;

    Beihang Univ Sch Phys &

    Nucl Energy Engn Beijing 100191 Peoples R China;

    China Inst Atom Energy Beijing 102413 Peoples R China;

    China Inst Atom Energy Beijing 102413 Peoples R China;

    China Inst Atom Energy Beijing 102413 Peoples R China;

    Jilin Univ Coll Phys Changchun 130012 Jilin Peoples R China;

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  • 正文语种 eng
  • 中图分类 原子核物理学、高能物理学;
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