$^{137}$ Nd的多手性带
Multiple chiral bands in $^{137}$Nd
摘要：
从高统计JUROGAM II伽马射线光谱实验中，在$^{137}$ Nd中发现了两个新的谱带。约束密度泛函理论和粒子转子模型计算被用来分配配置和调查的能带特性，这是很好的描述和理解。它表明，这两个新的频带可以被解释为以前已知的三准粒子的正宇称带和负宇称带的手性合作伙伴。在$^{137}$ Nd中新观察到的手征二重带为核中多手征带的存在提供了重要的支持。目前的结果构成了缺失的石头在一系列的Nd核显示多个手征带，这成为最广泛的序列的核显示多个手征带的塞格雷图表。
英文摘要：
Two new bands have been identified in $^{137}$Nd from a high-statistics JUROGAM II gamma-ray spectroscopy experiment. Constrained density functional theory and particle rotor model calculations are used to assign configurations and investigate the band properties, which are well described and understood. It is demonstrated that these two new bands can be interpreted as chiral partners of previously known three-quasiparticle positive- and negative-parity bands. The newly observed chiral doublet bands in $^{137}$Nd represent an important support to the existence of multiple chiral bands in nuclei. The present results constitute the missing stone in the series of Nd nuclei showing multiple chiral bands, which becomes the most extended sequence of nuclei presenting multiple chiral bands in the Segré chart.
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