Study of L-shell x-ray production cross section of Ta and Au by 20-55 MeV O5+ and F5+ bombardment

被引：3
|
作者：
Xu, Qiu-mei [1 ,2 ]
Yang, Zhi-hu [1 ]
Du, Shu-bin [3 ]
Chang, Hong-wei [3 ]
Zhang, Yan-ping [3 ]
机构：
[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100190, Peoples R China
[3] China Inst Atom Energy, Beijing 102413, Peoples R China
来源：
PHYSICA SCRIPTA | 2011年 / T144卷
关键词：
HEAVY; IONIZATION; COLLISIONS;
D O I：
10.1088/0031-8949/2011/T144/014020
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Experimental work was performed at the HI-13 tandem accelerator in the Chinese Institute of Atomic Energy (CIAE). In this experiment, L-shell x-ray production cross sections were measured for solid Ta and Au targets by 20-55MeV O5+ and F5+ ions. The L1, L alpha, L beta and L gamma-subshell characteristic x-rays of Ta and Au were measured. The ratios sigma(L beta)/sigma (L alpha), sigma(L gamma)/sigma(L alpha) and sigma(Ll)/sigma(L alpha) of Ta and Au L-subshell production cross sections were calculated according to experimental data. The results are compared with the predictions of energy-loss Coulomb-repulsion perturbed-stationary-state relativistic theory. Fairly good agreement is obtained between the experimental and the calculated values.
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页数：3
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