Ejected electron spectra from highly excited states in high-energy collisions of Oq+ with He

被引：4

作者：

Kawatsura, K

Takahiro, K

Imai, M

Sataka, M

Komaki, K

Shibata, H

机构：

[1] Kyoto Inst Technol, Dept Chem & Mat Technol, Sakyo Ku, Kyoto 6068585, Japan

[2] Kyoto Univ, Dept Nucl Engn, Sakyo Ku, Kyoto 6068501, Japan

[3] Japan Atom Energy Res Inst, Tokai, Ibaraki 3191195, Japan

[4] Univ Tokyo, Grad Sch Arts & Sci, Inst Phys, Meguro Ku, Tokyo 1538902, Japan

[5] Univ Tokyo, Nucl Sci & Technol Res Ctr, Tokai, Ibaraki 3191188, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2003年 / 205卷

关键词：

Coster-Kronig transition; Auger transition; O ion; zero-degree electron spectroscopy;

D O I：

10.1016/S0168-583X(02)02056-6

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Coster-Kronig (C-K) and Auger electron spectra from highly excited states produced by high-energy highly charged ions with a He target have been investigated using zero-degree electron spectroscopy. C-K and Auger electrons produced in 32 MeV Oq+ (q = 3, 4) + He collisions were measured, where the highly excited states of three-, four- and five-electron O ions were formed by electron excitation/ionization. It is found that the 1s(2)2pnl states with relatively low angular momenta are excited in the O4+ ion collisions while the 1s(2) 2s 2pnl states with higher angular momenta are excited in the O3+ ion collisions. K Auger spectra produced in Oq+ (q = 3, 4) + He collisions qualitatively agree with the previously measured results. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：528 / 532

页数：5

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