NONSTATISTICAL POPULATION OF MAGNETIC SUBSTATES OF THE ERBIUM L(3) SUBSHELL IN PHOTOIONIZATION

被引：39

作者：

PAPP, T

CAMPBELL, JL

机构：

[1] University of Guelph, Guelph, ON

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1992年 / 25卷 / 18期

关键词：

D O I：

10.1088/0953-4075/25/18/007

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Angular distributions of the Ll, Lalpha1,2 and Lbeta2,15 transitions of erbium were measured following photoionization by 8.904 keV photons. A Johansson-type monochromator was used to select the Cu Kbeta1 line for ionization. The angular distributions were well described by the function W(theta) = W0(1 + betaP2(cos theta)), with anisotropy parameters beta(Ll) = 0.052+/-0.016, beta(Lalpha1,2) = 0.016+/-0.022 and beta(Lbeta2,15) = 0.012+/-0.015. These values are slightly higher than the theoretical values of Berezhko and co-workers. The effect of partially polarized photons on the angular distribution is discussed.

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页码：3765 / 3770

页数：6

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