Multiphonon gamma-vibrational bands in the gamma-soft nucleus Nd-138
Multiphonon gamma-vibrational bands in the gamma-soft nucleus Nd-138
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伽马软核 Nd-138 中的多声子伽马振动带
DOI：
10.1103/physrevc.87.057303
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发表时间：
2013-05
影响因子：
3.1
通讯作者：
Yao, S. H.
中科院分区：
文献类型：
--
作者：
Liu, J. J.;Hu, S. P.;Wang, J. L.;Yao, S. H.
在能量为103MeV的束流中，通过Te（F，）反应重新研究了Nd的低自旋态。扩展了1013.7keV能级上的准单声子振动带，提出了1842.7keV能级上的准双声子振动带。一个系统的比较支持我们的分配多声子振动带在钕。讨论了Nd的软度特性。三轴投影壳模型的计算可以很好地描述带的转动特征，但如果假设三轴变形是固定的，它们不能同时再现两个振动带的带头能量。
The low spin states ofNd have been reinvestigated via theTe(F,) reaction at a beam energy of 103 MeV. The quasi-one-phonon-vibrational band based on the 1013.7 keV level has been expanded and the quasi-two-phonon-vibrational band built on the 1842.7 keV level has been proposed. A systematic comparison supports our assignments for multiphonon-vibrational bands inNd. The characteristics ofsoftness inNd have been discussed. Triaxial projected shell model calculations can well describe the rotational feature of the bands, but they fail to reproduce simultaneously the bandhead energies of the two-vibrational bands if a fixed triaxial deformation is assumed.