Single-photon multiple ionization forming double vacancies in the 2p subshell of argon

被引：12

作者：

Linusson, P. ^{[1
]}

Fritzsche, S. ^{[2
,3
]}

Eland, J. H. D. ^{[4
,5
]}

Mucke, M. ^{[5
]}

Feifel, R. ^{[5
]}

机构：

[1] Stockholm Univ, AlbaNova Univ Ctr, Dept Phys, SE-10691 Stockholm, Sweden

[2] Helmholtz Inst Jena, D-07743 Jena, Germany

[3] Univ Jena, Inst Theoret Phys, D-07743 Jena, Germany

[4] Univ Oxford, Dept Chem, Phys & Theoret Chem Lab, Oxford OX1 3QZ, England

[5] Uppsala Univ, Dept Phys & Astron, SE-75120 Uppsala, Sweden

来源：

PHYSICAL REVIEW A | 2013年 / 87卷 / 04期

基金：

瑞典研究理事会;

关键词：

DIFFERENTIAL CROSS-SECTIONS; OPEN-SHELL ATOMS; DOUBLE PHOTOIONIZATION; AUGER; SPECTRUM; HELIUM; XENON;

D O I：

10.1103/PhysRevA.87.043409

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Single-photon ionization leading to two vacancies in the 2p subshell of argon is investigated experimentally using the photoelectron time-of-flight magnetic bottle coincidence technique. Three peaks corresponding to the P-3, D-1, and S-1 states of the dication are found in the ionization energy range 535 to 562 eV. Multiconfigurational Dirac-Fock calculations were performed to estimate the single-photon double-ionization cross sections. Reasonable agreement between the measured and simulated spectra is found if single and double excitations are taken into account in the wave-function expansion. DOI: 10.1103/PhysRevA.87.043409

引用

页数：6

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