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Atomic Physics Seminars

ics Atomic
Monday, September 19, 2016
11:00 AM
Physics Building, Room 313
Note special time.
Note special room.
Yoshiro Azuma [Host: T. Gallagher]
Sophia University, Tokyo
"Electrons playing tag upon photoionization of atoms"
ABSTRACT:

Two cases of strong manifestation of electron correlation upon innervalence photoionization of rare gas atoms with syncrhtron radiation will be discussed.
1. Photoelectron recapture due to post-collision interactions between Auger electrons and photo electrons.  In our new high resolution Auger electron spectroscopy results, the Rydberg series structure of ionic final states appear in the structure of the Auger peak.  Rich structure due to angular momentum states were resolved and angular distribution information was obtained for the first time.
2. We demonstrated that fluorescence lifetime measurements upon innervalence excitation can be very sensitive to electron correlation and provide information regarding configuration interaction that cannot otherwise be obtained

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