Photoabsorption and resonant photolernission in the region of Ne 1s double excitations

被引：11

作者：

Prince, KC

Avaldi, L

Sankari, R

Richter, R

de Simone, M

Coreno, M

机构：

[1] Sincrotrone Trieste, I-34012 Trieste, Italy

[2] INFM, TASC, I-34012 Trieste, Italy

[3] CNR, IMIP, Area Rech Roma, I-00016 Monterotondo, Italy

[4] Univ Oulu, Dept Phys Sci, Oulu 90014, Finland

来源：

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2005年 / 144卷

关键词：

core excitation; double excitation; resonant photoemission; neon; x-ray absorption cross-section;

D O I：

10.1016/j.elspec.2005.01.271

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The absolute photoabsorption cross-sections of Ne in the regions 865-873 (s Rydberg states) and 900-940 eV (double excitations) have been measured. Several new double excitation states were detected, including a very weak member of the series converging to the 1s2p(5)3s conjugate shake-up ion state. States were also observed above the 1s2p(5) double ionisation potentials, and are assigned to the 1s2snsn'p series. At the first 1s2p(5)3p(2) double excitation state, the partial ionisation cross-section for the 1s(-1) ion state resonates. The behaviour of the cross-section and Fano profile are analysed by a theoretical calculation using the time-independent scattering formalism. (c) 2005 Elsevier B.V. All rights reserved.

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页码：43 / 46

页数：4

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