Absolute radiative and Auger transition rates of K-shell excited few-electron iron ions

被引：0

作者：

Steinbruegge, R. ^{[1
]}

Bernitt, S. ^{[1
]}

Rudolph, J. K. ^{[1
]}

Lopez-Urrutia, J. R. Crespo ^{[1
]}

机构：

[1] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

来源：

XXIX INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC, AND ATOMIC COLLISIONS (ICPEAC2015), PTS 1-12 | 2015年 / 635卷

关键词：

D O I：

10.1088/1742-6596/635/9/092146

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The iron K alpha lines are among the most prominent features in the x-ray spectra of many celestial sources. However, transition rates used to model these spectra were only known by theoretical calculations. Here we present an absolute measurement, of iron K-shell transition rates for Li-like to C-like iron ions. These ions were created with an electron beam ion trap and excited with x rays from the PETRA III synchrotron source. Measuring x-ray fluorescence and Auger decay simultaneously allows to determine absolute decay rates independent of most experimental parameters.

引用

页数：1

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