Physics – Atomic Physics
Scientific paper
Aug 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ycat..34891377a&link_type=abstract
VizieR On-line Data Catalog: J/A+A/489/1377. Originally published in: 2008A&A...489.1377A
Physics
Atomic Physics
Atomic Physics
Scientific paper
In this paper we report calculations for energy levels, radiative rates, and electron impact excitation rates for transitions in OVII.
The GRASP (general-purpose relativistic atomic structure package) is adopted for calculating energy levels and radiative rates. For determining the collision strengths and subsequently the excitation rates, the Dirac atomic R-matrix code (DARC) and the flexible atomic code (FAC) are used.
Oscillator strengths, radiative rates, and line strengths are reported for all E1, E2, M1, and M2 transitions among the lowest 49 levels of OVII. Collision strengths have been averaged over a Maxwellian velocity distribution, and the resulting effective collision strengths are reported over a wide temperature range below 2x106K. Additionally, lifetimes are also listed for all levels.
(3 data files).
Aggarwal Kanti M.
Keenan Francis P.
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