L-subshell fluorescence yields (ω1, ω2 and ω3) for elements in the atomic range 55 ≤ Z ≤ 68 with a Si(Li) detector

被引:12
|
作者
Özdemir, Y [1 ]
Durak, R [1 ]
机构
[1] Ataturk Univ, Fen Edebiyat Fakultesi, Fisik Bolumu, TR-25240 Erzurum, Turkey
关键词
fluorescence yields; cross-sections; photoionization;
D O I
10.1016/S0022-4073(02)00078-X
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Lalpha, Lbeta and Lgamma X-ray production cross-sections of Cs-55, Ba-56, La-59, Ce-58, Pr-59, Nd-60, Sm-62, Tb-65, Dy-66, Ho-67 and Er-68 have been measured by using a Si(Li) detector coupled to a model 1024 computerized multi-channel analyzer. The L-subshell X-ray fluorescence yields omega(1), omega(2) and omega(3) have been derived, using the experimental Lalpha, Lbeta and Lgamma X-ray production cross-sections, theoretical L-subshell photoionization cross-sections, Coster-Kronig transition probabilities, vacancy transfer probabilities and fractional X-ray emission rates. The experimental data have been compared with the literature experimental data, theoretical predictions based on Dirac-Hartree-Slater wave functions and semiempirical compilations. (C) 2002 Elsevier Science Ltd. All rights reserved.
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页码:95 / 103
页数:9
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