Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apj...587..836b&link_type=abstract
The Astrophysical Journal, Volume 587, Issue 2, pp. 836-840.
Astronomy and Astrophysics
Astronomy
28
Atomic Data, Methods: Laboratory, Sun: Corona, Techniques: Spectroscopic
Scientific paper
The transition probability of the electric dipole forbidden transition in the ground state of Fe XIV (Al-like), the ``green coronal line'' at 5302.86 Å, has been measured using the Livermore electron beam ion trap. Our result for the 3s23p22Po3/2 atomic level lifetime is 16.74+/-0.12 ms, which differs significantly from an earlier measurement, and is the most accurate one to date. The measured transition rate of 59.7+/-0.4 s-1 corroborates some earlier calculations, but not all of the more recent ones.
Beiersdorfer Peter
Pinnington E. H.
Träbert Elmar
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