Volume 83, Number 5, September 2008
|Number of page(s)||4|
|Section||Atomic, Molecular and Optical Physics|
|Published online||29 August 2008|
A method to characterize electronic states of ionized Rb by combined laser and synchrotron spectroscopy
Center for Free-Electron Laser Science (CFEL) at DESY - D-22603 Hamburg, Germany, EU
2 Department of Physical Sciences - P.O. Box 3000, FIN-90014 University of Oulu, Finland, EU
3 Department of Physics, Uppsala University - Box 530, SE-75121 Uppsala, Sweden, EU
Corresponding author: Joachim.Schulz@desy.de
Accepted: 27 June 2008
Photoelectron studies of laser-excited atomic states can reveal more information about the final ionic states than ground-state photoemission. The possibility to tune the laser to distinct fine-structure sub-states of the excited states allows to select specific angular-momentum couplings of the valence electron that are conserved during photoemission. In the photoemission of laser-excited rubidium we use this method to determine the final-state energies and widths of doubly excited ionic states and characterize the angular-momentum couplings.
PACS: 32.80.Fb – Photoionization of atoms and ions / 42.62.Fi – Laser spectroscopy
© EPLA, 2008
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