MEASUREMENTS OF THE CONTRIBUTIONS FROM HIGH-N DIELECTRONIC SATELLITES TO THE K-ALPHA RESONANCE LINE IN HELIUM-LIKE FE-24(+)

被引:35
作者
BEIERSDORFER, P [1 ]
SCHNEIDER, MB [1 ]
BITTER, M [1 ]
VONGOELER, S [1 ]
机构
[1] PRINCETON PLASMA PHYS LAB,PRINCETON,NJ 08543
关键词
D O I
10.1063/1.1143482
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Measurements are presented on the contributions from dielectronic satellite transitions upper configurations 1s2lnl', n greater-than-or-equal-to 3 to the characteristic x-ray emission of heliumlike Fe24+ . The measurements were carried out on the electron beam ion trap at Livermore using high-resolution Bragg-crystal spectroscopy. By eliminating uncertainties in the location and magnitude of the satellite contributions inherent in theoretical predictions the measurements improve the use of the resonance line emission of heliumlike Fe 24+ as a diagnostic of ion temperature and rotation velocity of high-temperature plasmas.
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页码:5029 / 5031
页数:3
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