Laser excitation combined with 2p photoionization and Auger decay of potassium
Journal Article
·
· Physical Review. A
- Department of Physical Sciences, P.O. Box 3000, 90014 University of Oulu (Finland)
- Department of Physics, University of Kassel, Heinrich-Plett-Strasse 40, D-34132 Kassel (Germany)
- Department of Physics, Uppsala University, Box 530, SE-75121 Uppsala (Sweden)
The 2p photoionization and subsequent L{sub 2,3}M{sub 2,3}M{sub 2,3} Auger decay spectra from free 4s{sub 1/2}{yields}4p{sub 1/2} laser-excited potassium atoms are studied both experimentally and theoretically. The shake-up-structure of the 2p photoelectron spectrum of K is resolved. A direct experimental way for resolving the satellite structure due to conjugate shake-up transitions accompanying the hole creation in the L{sub 2,3}M{sub 2,3}M{sub 2,3} Auger spectrum of nonexcited atoms is presented. Theoretical ab initio computations based on the multiconfiguration Dirac-Fock approach were performed to interpret the experimental findings.
- OSTI ID:
- 20974591
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 2 Vol. 73; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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