Two and three-photon double ionization of lithium

被引：0

作者：

Schuricke, Michael ^{[1
]}

Dornes, Christian ^{[1
]}

Armstrong, Gregory ^{[2
]}

Colgan, James ^{[2
]}

Kheifets, Anatoli ^{[3
]}

Ullrich, Joachim ^{[1
,4
]}

Dorn, Alexander ^{[1
]}

机构：

[1] Max Planck Inst Nucl Phys, Saupfercheckweg 1, D-69117 Heidelberg, Germany

[2] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[3] Australian Natl Univ, Res Sch Phys & Engn, Canberra, ACT, Australia

[4] Physikalisch Technisch Bundesanstalt, D-38116 Braunschweig, Germany

来源：

XXVIII INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS (ICPEAC) | 2014年 / 488卷

关键词：

D O I：

10.1088/1742-6596/488/3/032032

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Differential studies on two and three-photon double ionization (DI) of atomic lithium have been performed for photon energies of 50 eV and 59 eV at I approximate to 5 x 10(13) W/cm(2). At 50 eV DI proceeds via the simultaneous absorption of two photons resulting in the correlated emission of two electrons. In contrast for a photon energy of 59 eV, the resonant one photon transition (1s -> 2p) is followed by DI through a second photon. Additionally a competing sequential three photon reaction is observed for both energies. The experimental data is compared with results from non-perturbative close-coupling calculations.

引用

页数：1

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