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首页> 外文期刊>Nuclear Physics, A: Journal Devoted to the Experimental Study of the Fundamental Constituents of Matter and Their Actions >NON-YRAST STATES IN XE-125
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NON-YRAST STATES IN XE-125

机译：XE-125中的非紧急状态

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摘要

The non-yrast states of Xe-125 have been investigated with the Te-122(alpha, n) and Te-123(alpha, 2n) reactions by means of in-beam gamma-spectroscopy using a setup of 6 Compton-suppressed high-purity-germanium (HPGe)detectors. Over 400 new transitions establishing over 110 new levels could be placed in a level scheme totalling 196 levels connected by 563 transitions. 77 spin and parity assignments were made (some of them tentatively) and 35 multipolarity mixing ratios could be assigned to transitions using the gamma-angular distribution, gamma-linear polarization, gamma gamma-DCO-analysis and gamma-excitation-function methods. The negative-parity data are compared to the predictions of the rigid-triaxial-rotor-plus-particle model and the interacting-boson-fermion model. Both calculations describe successfully the excitation energies of these non-yrast states. The branching ratios of the lower non-yrast states are also reproduced very well. Only at the fourth and higher excited states of a given spin, a discrepancy between experiment and theory was observed. [References: 38]
机译：Xe-125的非紧急状态已经通过Te-122（alpha，n）和Te-123（alpha，2n）反应通过束内伽马能谱法进行了研究，使用6个Compton抑制的高-纯度锗（HPGe）检测器。可以将建立400个新过渡的110个以上级别放置到一个关卡方案中，通过563个过渡连接总共196个级别。使用伽马角分布，伽马线性极化，伽马γ-DCO分析和伽马激发函数方法对77个自旋和奇偶校验进行了分配（其中一些尝试性地），并且可以将35种多极性混合比分配给过渡。将负奇偶校验数据与刚性三轴转子加颗粒模型和相互作用玻色子费米子模型的预测进行比较。两种计算都成功地描述了这些非急态的激发能。较低非紧急状态的支化率也很好地再现。仅在给定自旋的第四和更高激发态下，观察到实验和理论之间的差异。 [参考：38]

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