Internal inelastic scattering satellite probed by molecular-frame photoelectron angular distributions from CO2

被引：15
|
作者：
Liu, X. -J. [1 ]
Fukuzawa, H. [1 ]
Teranishi, T. [1 ]
De Fanis, A. [1 ]
Takahashi, M. [1 ]
Yoshida, H. [2 ]
Cassimi, A. [3 ]
Czasch, A. [4 ]
Schmidt, L. [4 ]
Doerner, R. [4 ]
Koyano, I. [5 ]
Saito, N. [6 ]
Ueda, K. [1 ]
机构：
[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan
[2] Hiroshima Univ, Dept Phys Sci, Higashihiroshima 7398526, Japan
[3] CIMAP CEA CNRS ENSICAEN, F-14070 Caen 5, France
[4] Univ Frankfurt, D-60438 Frankfurt, Germany
[5] Himeji Inst Technol, Dept Mat Sci, Kamigori, Hyogo 6781597, Japan
[6] AIST, Natl Metrol Inst Japan, Tsukuba, Ibaraki 3058568, Japan
来源：
PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 02期
关键词：
D O I：
10.1103/PhysRevLett.101.023001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The molecular-frame photoelectron angular distribution (MFPAD) of the satellite accompanying the C 1s photoline of the CO(2) molecule has been measured at the C 1s(2 sigma(g))-> 4 sigma(u)* shape resonance, using electron-ion multicoincidence momentum spectroscopy. The observed MFPAD indicates that the conjugate satellite is excited by internal inelastic scattering. In this scenario, a photoelectron is ejected from the C 1s(2 sigma(g)) orbital along the molecular axis and collides with an O lone-pair electron in the highest occupied molecular orbital 1 pi(g). Then one of the colliding electrons is trapped to the lowest unoccupied molecular orbital 2 pi(u)*, while the other is emitted as a satellite photoelectron of sigma(g) symmetry, losing the information of the original photoelectron emission direction and parity.
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页数：4
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