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A～100区Tc同位素能级结构的研究
  • 期刊名称：高能物理与原子核物理 31, 543 (2007)
  • 时间：0
  • 分类：O562.1[理学—原子与分子物理;理学—物理]
  • 作者机构：[1]核资源与环境教育部重点实验室(东华理工大学),南昌330013, [2]东华理工大学核工程技术学院,抚州344000, [3]北京大学物理学院,北京100871, [4]中原工学院电子与信息工程学院,郑州450007, [5]中国科学院上海应用物理研究所,上海201800
  • 相关基金：国家重点基础研究发展规划（2006CB708409）,国家自然科学基金（10547140,10525520,10475002）,江西省自然科学基金（0612003）和国家博士后科学基金（20060390370）资助
  • 相关项目：原子核形状共存态及其集体转动运动
作者： 沈水法，王凤歌，方克明，许甫荣
关键词： 投影壳模型, 正/负宇称态, 能带图, projected shell model（PSM）, positive/negative-parity states, band diagram
中文摘要：

用投影壳模型对^101Tc的受激正／负宇称转晕态结构进行了探讨，为了从定量结果中抽取出物理内容也作出了正宇称转晕带的能带图．此外，各自起源于3／2^-[301]，5／2^-[303]和1／2^＋[431]尼尔逊态的3个带也在这个模型框架下进行了分析．到目前为止，在Z-42—44区关于N=52—54的中间核性质知之甚少，为了解这些“过渡核”，以^95Tc为例，对其能级结构也进行了研究．

英文摘要：

In the present work, the structures of the excited positive/negative-parity yrast states of ^101Tc are discussed by 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 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. Until recently,very little property about the N=52-54 intermediate nuclei in the Z -42-44 region has been known. In order to understand these ＂transitional nuclei＂, we select the nucleus ^95Tc as an example. So in this work, we also present our investigation of the level structure in the ^95Tc nucleus.

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