Experimental Verification of the Chemical Sensitivity of Two-Site Double Core-Hole States Formed by an X-Ray Free-Electron Laser

被引：104

作者：

Salen, P. ^{[1
]}

van der Meulen, P. ^{[1
]}

Schmidt, H. T. ^{[1
]}

Thomas, R. D. ^{[1
]}

Larsson, M. ^{[1
]}

Feifel, R. ^{[2
]}

Piancastelli, M. N. ^{[2
]}

Fang, L. ^{[3
]}

Murphy, B. ^{[3
]}

Osipov, T. ^{[3
]}

Berrah, N. ^{[3
]}

Kukk, E. ^{[4
]}

Ueda, K. ^{[5
]}

Bozek, J. D. ^{[6
]}

Bostedt, C. ^{[6
]}

Wada, S. ^{[6
,7
]}

Richter, R. ^{[8
]}

Feyer, V. ^{[8
]}

Prince, K. C. ^{[8
,9
]}

机构：

[1] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden

[2] Uppsala Univ, Dept Phys & Astron, S-75120 Uppsala, Sweden

[3] Western Michigan Univ, Dept Phys, Kalamazoo, MI 49008 USA

[4] Univ Turku, Dept Phys & Astron, Turku 20014, Finland

[5] Tohoku Univ, IMRAM, Sendai, Miyagi 9808577, Japan

[6] LCLS, SLAC, Menlo Pk, CA 94025 USA

[7] Hiroshima Univ, Dept Phys Sci, Higashihiroshima 7398526, Japan

[8] Sincrotrone Trieste, I-34149 Trieste, Italy

[9] IOM CNR, I-34149 Trieste, Italy

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 15期

基金：

瑞典研究理事会;

关键词：

1S; MOLECULES; PHOTOIONIZATION; SPECTROSCOPY; SPECTRA; REGION; ATOMS;

D O I：

10.1103/PhysRevLett.108.153003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have performed x-ray two-photon photoelectron spectroscopy using the Linac Coherent Light Source x-ray free-electron laser in order to study double core-hole (DCH) states of CO2, N2O, and N-2. The experiment verifies the theory behind the chemical sensitivity of two-site DCH states by comparing a set of small molecules with respect to the energy shift of the two-site DCH state and by extracting the relevant parameters from this shift.

引用

页数：5

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