https://doi.org/10.1140/epjd/e2003-00298-x
The 1s → 2p resonance photoionization from the low-lying states of O+
Energies, autoionization widths, branching ratios, and oscillator strengths
1
National Astronomical observatories, Chinese Academy of Sciences,
20A Datun Road, Chaoyang District, Beijing 100012, P.R. China
2
Department of Applied Physics,
National University of Defense Technology,
Changsha 410073, P.R. China
Corresponding author: a zengjiaolong@sina.com
Received:
14
May
2003
Revised:
6
October
2003
Published online:
2
December
2003
Thirty-state close-coupling calculations have been performed for the
photoionization of O+ near the 
resonance energy region
from the terms belonging to the configurations of 
and
. Total and partial photoionization cross-section and the
contributions of the main ionization channels to the partial cross-section
are calculated to obtain the resonance energies, autoionization widths
and Auger branching ratios of the core-excited states.
The resonance oscillator strengths of the transitions
are also obtained by integrating the photoionization cross-section.
The radiative widths of the transitions can be obtained
from the oscillator strengths. The results show that the radiative
widths are generally
three orders of magnitude smaller than the corresponding autoionization
widths and therefore contributes little to the natural widths.
PACS: 32.80.Fb – Photoionization of atoms and ions / 32.80.Hd – Auger effect and inner-shell excitation or ionization / 32.80.Dz – Autoionization
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2004
