论文标题
核手性双重乐队的静态四极矩
Static quadrupole moments of nuclear chiral doublet bands
论文作者
论文摘要
首次研究核性手性双打频带的静态四极矩（SQM），首次进行粒子孔构型$π（1H_ {11/2}）\ otimesν（1H_ {11/2}）^{-1H_ {11/2}）^{ - 1} $^{ - 1} $ cip conciper $ 260^comparters 270^\ circ $作为示例。通过分析总角动量的组成部分来说明SQM与自旋$ i $的函数的行为。发现在手性振动的区域中，双重频带的SQMS与$ i $相差很大，而在静态手性的区域中，Doublet乐队的SQM几乎是恒定的。因此，SQM的测量为区分核性手性模式提供了一个新的标准。此外，在高自旋区域中，可以通过分析公式近似SQM，该公式与两个双重频段的分析公式与$ \cosγ$相称。这提供了一种方法，可以通过实验提取来自测得的SQM的手性带的三轴变形参数$γ$。
The static quadrupole moments (SQMs) of nuclear chiral doublet bands are investigated for the first time taking the particle-hole configuration $π(1h_{11/2}) \otimes ν(1h_{11/2})^{-1}$ with triaxial deformation parameters in the range $260^\circ \leq γ\leq 270^\circ$ as examples. The behavior of the SQM as a function of spin $I$ is illustrated by analyzing the components of the total angular momentum. It is found that in the region of chiral vibrations the SQMs of doublet bands are strongly varying with $I$, whereas in the region of static chirality the SQMs of doublet bands are almost constant. Hence, the measurement of SQMs provides a new criterion for distinguishing the modes of nuclear chirality. Moreover, in the high-spin region the SQMs can be approximated by an analytic formula with a proportionality to $\cosγ$ for both doublet bands. This provides a way to extract experimentally the triaxial deformation parameter $γ$ for chiral bands from the measured SQMs.
