Autoionisation of doubly excited states in the C 1s photoexcitation of CO

被引：34
|
作者：
Koppe, HM
Kempgens, B
Kilcoyne, ALD
Feldhaus, J
Bradshaw, AM
机构：
[1] Fritz-Haber-Institut der M., 14195 Berlin
[2] HASYLAB, DESY, 22603 Hamburg
来源：
CHEMICAL PHYSICS LETTERS | 1996年 / 260卷 / 1-2期
关键词：
D O I：
10.1016/0009-2614(96)00896-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The vibrationally resolved C 1s(-1) main line in the photoelectron spectrum of CO has been investigated just above the C Is ionisation threshold where the absorption cross section is characterised by sharp, intense doubly excited states. They decay in part via resonant Auger processes, but can also couple via autoionisation to the C 1s(-1) continuum, causing striking changes in the vibrational fine structure. In some cases very high vibrational levels up to quantum numbers of upsilon' = 7 are populated.
引用
收藏
页码：223 / 228
页数：6
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