天体物理应用的双电子复合数据：来自储存环实验的Fe^q+ (q=7-10, 13-22)和Ni^25+离子的等离子体速率系数
Dielectronic recombination data for astrophysical applications: Plasma rate-coefficients for Fe^q+ (q=7-10, 13-22) and Ni^25+ ions from storage-ring experiments
AI总结：
本综述总结了在重离子储存环TSR上进行的铁离子双电子复合实验，提供了Fe^q+和Ni^25+的等离子体速率系数，并指出储存环实验是获取复杂离子低温速率系数的唯一可靠来源。
摘要：
本综述总结了为天体物理及其他等离子体建模提供高电荷铁离子双电子复合可靠速率系数的持续实验现状。实验工作在德国海德堡马克斯普朗克核物理研究所的重离子储存环TSR上进行了十多年。概述了实验与数据简化程序。强调了先前被忽略的过程的作用，如精细结构核心激发和三电子复合。以图形和简单参数化形式呈现了Fe$^{q+}$离子(q=7-10, 13-22)和Ni$^{25+}$双电子复合的等离子体速率系数，便于在等离子体建模代码中使用。结论是，储存环实验目前是复杂离子可靠低温双电子复合速率系数的唯一来源。
英文摘要：
This review summarizes the present status of an ongoing experimental effort to provide reliable rate coefficients for dielectronic recombination of highly charged iron ions for the modeling of astrophysical and other plasmas. The experimental work has been carried out over more than a decade at the heavy-ion storage-ring TSR of the Max-Planck-Institute for Nuclear Physics in Heidelberg, Germany. The experimental and data reduction procedures are outlined. The role of previously disregarded processes such as fine-structure core excitations and trielectronic recombination is highlighted. Plasma rate coefficients for dielectronic recombination of Fe$^{q+}$ ions (q=7-10, 13-22) and Ni$^{25+}$ are presented graphically and in a simple parameterized form allowing for easy use in plasma modeling codes. It is concluded that storage-ring experiments are presently the only source for reliable low-temperature dielectronic recombination rate-coefficients of complex ions.
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