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.

引用

页数：4

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