K-SHELL X-RAY-PRODUCTION CROSS-SECTIONS IN C-6, O-8, NA-11, MG-12 AND AL-13 BY 0.75 TO 5.0 MEV LI-7(+) IONS

被引:3
|
作者
YU, YC [1 ]
MCNEIR, MR [1 ]
WEATHERS, DL [1 ]
MARBLE, DK [1 ]
DUGGAN, JL [1 ]
MCDANIEL, FD [1 ]
LAPICKI, G [1 ]
机构
[1] E CAROLINA UNIV,DEPT PHYS,GREENVILLE,NC 27858
基金
美国国家科学基金会;
关键词
D O I
10.1016/0168-583X(91)95128-Z
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
K-shell X-ray production cross sections are reported for elements with K-shell X-ray energies between 277 eV (C) and 1487 eV (Al). X-ray measurements were made with a LINK Analytical windowless Si(Li) detector that was calibrated for efficiency by comparing bremsstrahlung spectra from electron bombardment of thin foils of aluminum, silver, and gold with theoretically determined bremsstrahlung spectral distributions. The X-ray measurements are compared to first Born and ECPSSR ionization theories using single-hole fluorescence yields. The ECPSSR theory is shown to be in much closer agreement to experiment than the first Born theory.
引用
收藏
页码:1188 / 1191
页数:4
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