Resonant and Near-Threshold Photoionization Cross Sections of Fe14+

被引：54

作者：

Simon, M. C. ^{[1
]}

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

Beilmann, C. ^{[1
]}

Schwarz, M. ^{[1
]}

Harman, Z. ^{[1
,2
]}

Epp, S. W. ^{[1
]}

Schmitt, B. L. ^{[1
]}

Baumann, T. M. ^{[1
]}

Behar, E. ^{[3
]}

Bernitt, S. ^{[1
]}

Follath, R. ^{[4
]}

Ginzel, R. ^{[1
]}

Keitel, C. H. ^{[1
]}

Klawitter, R. ^{[1
]}

Kubicek, K. ^{[1
]}

Maeckel, V. ^{[1
]}

Mokler, P. H. ^{[1
]}

Reichardt, G. ^{[4
]}

Schwarzkopf, O. ^{[4
]}

Ullrich, J. ^{[1
]}

机构：

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

[2] ExtreMe Matter Inst EMMI, D-64291 Darmstadt, Germany

[3] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[4] BESSY II, Helmholtz Zentrum Berlin, D-12489 Berlin, Germany

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 18期

关键词：

HIGHLY-CHARGED IONS; SHELL PHOTOIONIZATION; FE-XV; ABSORPTION; SPECTRUM; UNDULATOR; EBIS;

D O I：

10.1103/PhysRevLett.105.183001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Photoionization (PI) of Fe14+ in the range from 450 to 1100 eV was measured at the BESSY II storage ring using an electron beam ion trap achieving high target-ion area densities of 10(10) cm(-2). Photoabsorption by this ion is observed in astrophysical spectra and plasmas, but until now cross sections and resonance energies could only be provided by calculations. We reach a resolving power E/Delta E of at least 6500, outstanding in the present energy range, which enables benchmarking and improving the most advanced theories for PI of ions in high charge states.

引用

页数：4

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