Physics
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jphb...40.3153n&link_type=abstract
Journal of Physics B: Atomic, Molecular, and Optical Physics, Volume 40, Issue 15, pp. 3153-3162 (2007).
Physics
7
Scientific paper
In this paper, we have carried out the calculations of the weighted oscillator strengths and the transition probabilities for a few low-lying transitions of boron-like ions: Mg VIII, Si X and S XII, which are astrophysically important, particularly in the atmosphere of the solar corona. We have employed an all-order relativistic many-body theory called the relativistic coupled-cluster theory to calculate very precisely these atomic quantities of astrophysical interest. We have reported for the first time the transition probabilities for some forbidden transitions which are unavailable in the literature, either theoretically or experimentally. We also discuss the physical effects associated with these transitions. Our data can be used for the identification of spectral lines arising from the coronal atmospheres of the Sun and Sun-like stars having an extended corona.
Chaudhuri Rajat K.
Das Bhanu Pratap
Mukherjee Debashis
Nataraj H. S.
Sahoo Binod Kumar
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