论文标题
改进了$ 0_2^+\ rightArrow0_1^+$ e0的过渡强度,用于$^{72} $ se使用香料光谱仪
Improved measurement of the $0_2^+\rightarrow0_1^+$ E0 transition strength for $^{72}$Se using the SPICE spectrometer
论文作者
论文摘要
硒同位素位于核图表的动荡区域的核心,在该区域中,形状共存会与中子 - 蛋白质配对相关性,三轴性和即将来临的质子滴管捕捉。在这项工作中,内部转换电子对$^{72} $ SE进行了研究,并使用香料和老虎阵列进行了$γ$ -Ray光谱。执行$ 0_2^+$状态的分支比率和寿命的新测量结果得出了$ρ^2的确定(E0; 0_2^+{\ rightarrow} 0_1^+)= 29(3)$ milliunits。进行了两次状态混合计算,这些计算强调了在形状己式的背景下对这种$ e0 $强度值的解释的重要性。
The selenium isotopes lie at the heart of a tumultuous region of the nuclear chart where shape coexistence effects grapple with neutron-proton pairing correlations, triaxiality, and the impending proton dripline. In this work a study of $^{72}$Se by internal conversion electron and $γ$-ray spectroscopy was undertaken with the SPICE and TIGRESS arrays. New measurements of the branching ratio and lifetime of the $0_2^+$ state were performed yielding a determination of $ρ^2(E0;0_2^+{\rightarrow}0_1^+)=29(3)$ milliunits. two state mixing calculations were performed that highlighted the importance of interpretation of such $E0$ strength values in the context of shape-coexistence.