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首页> 外文期刊>Journal of the Physical Society of Japan >Decay of Mo-101 and band structures of its daughter nuclide Tc-101 in the projected shell model
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Decay of Mo-101 and band structures of its daughter nuclide Tc-101 in the projected shell model

机译：投射壳模型中Mo-101的衰变及其子核Tc-101的能带结构

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摘要

The decay of molybdenum-101 has been investigated using the three-parameter (gamma-gamma-t) coincidence system of HPGe-HPGe detectors. According to the off-line analysis, the decay scheme was modified. The positions of 221.80, 318.00, 377.90, 452.50, 515.42, 1011.05, and 1759.72 keV transitions have been arranged again, the transition positions of 104.70, 105.95, and 774.15 keV gamma rays have been assigned for the first time, the positions of 169.00, 590.91, 980.52, and 1431.68 keV transitions have been reconfirmed, and the 1508.01 keV gamma ray was observed simultaneously for the first time and its transition position has been assigned. The beta(-) intensities and the values of log ft of most levels were calculated. Combining with the high-spin states observed by the in-beam gamma-ray spectroscopy of previous decay works, the structure of the excited positiveegative-parity yrast states of Tc-101 is discussed using a projected shell model, and a band diagram calculated for the positive-parity yrast band is also shown in order to extract physics out of the numerical results. In addition, the analysis of other three bands originated from 3/2(-)[301], 5/2(-)[303], and 1/2(+)[431] Nilsson states, respectively, is also performed in the framework of this model.
机译：使用HPGe-HPGe检测器的三参数（γ-γ-t）重合系统研究了钼101的衰减。根据离线分析，修改了衰减方案。再次安排了221.80、318.00、377.90、452.50、515.42、1011.05和1759.72 keV跃迁的位置，首次分配了104.70、105.95和774.15 keV伽马射线的跃迁位置，169.00，已确认590.91、980.52和1431.68 keV跃迁，并且首次同时观察到1508.01 keVγ射线，并指定了其跃迁位置。计算了大多数水平的beta（-）强度和log ft值。结合先前衰变工作的光束内伽玛能谱观察到的高自旋态，使用投影壳模型和能带图讨论了Tc-101激发的正/负奇偶激发态的结构。还显示了为正奇偶校验yrast带计算的值，以便从数值结果中提取物理值。此外，还分别在3/2（-）[301]，5/2（-）[303]和1/2（+）[431] Nilsson态下分析了其他三个波段。此模型的框架。

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