We present experimental photoelectron spectra obtained by ionizing two-valence electron Sr atoms with ≈25 fs Ti- Sapphire laser pulses and we show preliminary evidence that electron-electron correlation effects dominate for laser intensities <0.4×1013 W-cm-2, while a single electron picture prevails when the laser intensity is increased further.
Ionization of strontium atoms by ultrashort pulses of a Ti-Sapphire laser / Dimitriou, A.; Marciniak, ALEXANDRE MARC ANDRE'; Lepine, F.; Bordas, C.; Cohen, S.. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6588. - 635:9(2015), pp. 092083.1-092083.1. [10.1088/1742-6596/635/9/092083]
Ionization of strontium atoms by ultrashort pulses of a Ti-Sapphire laser
MARCINIAK, ALEXANDRE MARC ANDRE';
2015-01-01
Abstract
We present experimental photoelectron spectra obtained by ionizing two-valence electron Sr atoms with ≈25 fs Ti- Sapphire laser pulses and we show preliminary evidence that electron-electron correlation effects dominate for laser intensities <0.4×1013 W-cm-2, while a single electron picture prevails when the laser intensity is increased further.| File | Dimensione | Formato | |
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