ELECTRON-ION COINCIDENCE SPECTROSCOPY ON ATOMIC BARIUM IN THE EXCITATION RANGE OF THE 4D GIANT-RESONANCE

被引：12

作者：

BAIER, S

GOTTSCHALK, G

KERKAU, T

LUHMANN, T

MARTINS, M

RICHTER, M

SNELL, G

ZIMMERMANN, P

机构：

[1] Institut für Strahlungs- und Kernphysik, Technical University

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.72.2847

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

For the first time a free metal atom has been investigated by analyzed electron-ion coincidence spectroscopy after inner-shell excitation with synchrotron radiation. Probabilities of the decay from different Ba+ inner-hole states (4d-1, 5s-1, 5p-1) to higher charged ions (Ba2+, Ba3+, Ba4+ ) have been determined, which allows a direct link between electron and ion spectroscopy results. Comparison between the different data sets and Hartree-Fock calculations for N45 Auger transitions yields new knowledge about direct double ionization processes, e.g., their dominance on 4d-1 Auger decay.

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页码：2847 / 2850

页数：4

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