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ANNULATION (séminaire reporté) : Attosecond delays in resonant photoionization via an autoionizing state
Alfred MAQUET
Laboratoire de Chimie Physique – Matière et Rayonnement - Université Pierre et Marie Curie
Tue, Jun. 16th 2015, 10:30-11:00
LIDYL Bât.522, Grande salle 137-138, CEA-Saclay

We present the results of a study of time-delays in the photoionization of argon atoms in the combined presence of an IR laser field and of an attosecond pulse train of XUV harmonics (RABBIT set-up). The frequency of the pump laser was tuned with objective to make one of the harmonics to scan a Fano resonance involving the 3s23p6 → 3s13p64p1 transition. The experimental results are modeled with the help of a theoretical treatment that accounts for the variations of the time-delays in the region close to the resonance.

 

Contact : Caroline LEBE

 

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