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arXiv 1504.05034nucl-th
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四极变形转子的三轴动力学

Triaxial dynamics in the quadrupole-deformed rotor

Qiu-Yue Li, Xiao-Xiang Wang, Yan Zuo, Yu Zhang, Feng Pan

摘要:

本文详细研究了刚性和无旋四极变形转子模型的三轴动力学。结果表明,两类模型的能级模式和E2跃迁特征可以匹配到形变参数$β$的首阶。特别是,发现具有大部分三轴变形的无旋型的动力学结构($γ=30^\circ$)等效于具有扁形变形的刚性类型($γ=60^\circ$),并且相关的光谱可以被分类为服从旋转$L(L+1)$定律的标准旋转带,或者被重新分组为新的$γ$中具有奇偶交错的新的基态带和$γ$带。通常被认为是三轴性的标志。在这种情况下,两种类型的模型之间的差异,特别是强调的E2过渡字符。

英文摘要:

The triaxial dynamics of the quadrupole-deformed rotor model of both the rigid and the irrotational type have been investigated in detail. The results indicate that level patterns and E2 transitional characters of the two types of the model can be matched with each other to the leading order of the deformation parameter $β$. Especially, it is found that the dynamical structure of the irrotational type with most triaxial deformation ($γ=30^\circ$) is equivalent to that of the rigid type with oblate deformation ($γ=60^\circ$), and the associated spectrum can be classified into the standard rotational bands obeying the rotational $L(L+1)$-law or regrouped into a new ground- and $γ$-band with odd-even staggering in the new $γ$-band commonly recognized as a signature of the triaxiality. The differences between the two types of the model in this case are emphasized especially on the E2 transitional characters.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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