原子数据库在研究同核异能态诱发辐射中的应用
Application of atomic database to study of isomer triggering via nuclear excitation
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摘要: 如何人为地诱发同核异能态辐射,从而利用储存在其中的巨大能量,是个备受关注的交叉学科课题。利用原子物理过程进行触发是目前较为可行的方案,原子物理参数将在里面起到关键作用。介绍了一套高效率的原子数据库,目前该数据库可对原子序数小于96的元素所有电离度离子的能级结构信息进行快速扫描,从而筛选出一些可能通过原子过程触发的同核异能态体系。通过在197Au元素电子跃迁诱导核激发过程和178Hf元素电子俘获诱导核激发过程中的应用,展示了该数据库对寻找合适同核异能态体系的作用。Abstract: Much attention has been paid to seeking efficient methods for the controlled release of nuclear energy in appropriate isomer systems, which is an interdisciplinary subject. Utilizing atomic processes for releasing is a relatively feasible scheme, where atomic data play very important roles. A high-efficient atomic database is introduced. Such database has the energy structure information of elements with atomic number smaller than 96 (including their ions with all ionization degrees), which allows a fast searching. Therefore some possible isomer systems which can be triggered by atomic processes can be found out. The applications of the database in the processes of nuclear excitation by electronic transition(NEET) of 197Au and nuclear excitation by electron capture(NEEC) of 178Hf are prese
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