L-shell X-ray production cross-sections by impact of 5.0 to 7.5 MeV 10B2+ ions on selected rare earth elements

被引：9

作者：

Lugo-Licona, M ^{[1
]}

Miranda, J ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2004年 / 219卷

关键词：

X-ray production cross-sections; heavy ions; ECPSSR; ECPSSR-UA;

D O I：

10.1016/j.nimb.2004.01.070

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

L-shell X-ray production cross-sections by 5.0 to 7.5 MeV B-10(2+) heavy ion impact on selected rare elements (Ce, Nd, Sm, Eu, Dy, Ho, Gd and Yb) were measured. An evaluation is given of the effect of using several databases for the atomic parameters (fluorescence yields and Coster-Kronig probabilities). Moreover, the application of different theories to predict ionization cross-sections, such as the ECPSSR and the ECPSSR with United Atom correction (ECPSSR-UA) is considered, as well as the effect of multiple ionization in outer shells of the target atom. It is found that the ECPSSR-UA approximation describes the experimental results very well. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：289 / 293

页数：5

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