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

页码：399 / 405

页数：7

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