M X-ray production cross sections for heavy elements by proton impact

被引：12
|
作者：
Deghfel, B. [1 ,2 ]
Nekkab, M. [1 ,2 ]
Kahoul, A. [1 ,2 ]
机构：
[1] Univ Mohamed Boudiaf, Fac Sci & Sci Ingenieur, Dept Phys, Msila 28000, Algeria
[2] Univ Ferhat Abbas, Fac Sci, Dept Phys, Lab LESIMS, Setif 19000, Algeria
来源：
X-RAY SPECTROMETRY | 2009年 / 38卷 / 05期
关键词：
M-SHELL IONIZATION; M-SUBSHELL IONIZATION; FLUORESCENCE YIELDS; CHARGED-PARTICLES; K-SHELL; COULOMB IONIZATION; COSTER-KRONIG; ECPSSR THEORY; HELIUM-IONS; TRANSITION PROBABILITIES;
D O I：
10.1002/xrs.1191
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
We present in this paper, M-shell ionization cross sections and M X-ray production cross sections calculated within the Energy loss, Coulomb deflection, Perturbed Stationary State and Relativistic effects (ECPSSR) theory for elements with 72 <= Z <= 90 for protons with 0.1-4.0 MeV energy. Our results are compared to the plane wave Born approximation (PWBA) predictions, the relativistic plane-wave Born approximation including corrections for binding and Coulomb deflection effect (RPWBA-BC) results and the ECPSSR calculations from earlier works. On the other hand, semiempirical and empirical M X-ray production cross sections are deduced from the polynomial fitting of the available experimental data collected from different sources. A comparison is made between the different sets of results. The differences between the above calculations and the experimental results are pointed out and discussed. Copyright (C) 2009 John Wiley & Sons, Ltd.
引用
收藏
页码：399 / 405
页数：7
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