Spectral modeling of Fe XVII pumped by a free-electron x-ray laser

被引：0

作者：

Clementson, Joel ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

来源：

X-RAY LASERS AND COHERENT X-RAY SOURCES: DEVELOPMENT AND APPLICATIONS IX | 2011年 / 8140卷

关键词：

atomic spectra; x-ray pumping; laboratory astrophysics; free-electron laser; LABORATORY MEASUREMENTS; ATOMIC DATA; RELATIVE INTENSITY; DIAGNOSTIC LINES; PHOTOIONIZATION; TRANSITIONS; SOLAR; RECOMBINATION; SPECTROSCOPY; EXCITATION;

D O I：

10.1117/12.896956

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 atomic structure and x-ray pumping of neonlike Fe XVII have been calculated and modeled under free-electron laser excitation conditions using the Flexible Atomic Code. Specifically, pumping of the (2p(3/2)3s(1/2))(2,1), (2p(1/2)3s(1/2))(1), (2p(3/2)3d(5/2))(1), and (2p(1/2)3d(3/2))(1) levels that connect with the ground state (2s(2)2p(6))(0) by the so-called M2, 3G, 3F, 3D, and 3C transitions have been studied. In addition, the spectrum of sodiumlike Fe XVI has been modeled to account for possible line coincidences with the neonlike spectrum. The calculations include oscillator strengths, radiative lifetimes, autoionization rates, non-resonant photoionization cross sections, and line emissivities.

引用

页数：11

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