Imaging molecular isomerization using molecular-frame photoelectron angular distributions

被引：22
|
作者：
Rescigno, T. N. [1 ]
Douguet, Nicolas [2 ]
Orel, A. E. [2 ]
机构：
[1] Univ Calif Berkeley, Chem Sci & Ultrafast Xray Sci Lab, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[2] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2012年 / 45卷 / 19期
关键词：
ION;
D O I：
10.1088/0953-4075/45/19/194001
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the results of an ab initio theoretical study of K-shell photoionization of the monocation of acetylene in its ground (X) and electronically excited (A) states using the complex Kohn variational method. We show how the molecular-frame photoelectron angular distributions, which are sensitive to the instantaneous positions of the nuclei, can be used to monitor the isomerization of the excited cation from an initial linear geometry to a final vinylidene-like structure.
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页数：6
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