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2018MNRAS.477.5605B - Mon. Not. R. Astron. Soc., 477, 5605-5611 (2018/July-2)

Accurate estimations of electromagnetic transitions of Sn IV for stellar and interstellar media.

BISWAS S., DAS A., BHOWMIK A. and MAJUMDER S.

Abstract (from CDS):

Here, we report on accurate ab initio calculations to study astrophysically important electromagnetic transition parameters among different low-lying states of Sn IV. Our ab initio calculations are based on the sophisticated relativistic coupled cluster theory, which almost exhausts many important electron correlations. To establish the accuracy of the calculations, we compare our results with the available experiments and estimate the transition amplitudes in length and velocity gauged forms. Most of these allowed and forbidden transition wavelengths lie in the infrared region, and they can be observed in the different cool stellar and interstellar media. For the improvement of uncertainty, we use experimental energies to the estimations of the above transition parameters. The presented data will be helpful to find the abundances of the ion in different astrophysical and laboratory plasma.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): atomic data - ISM: abundances

Simbad objects: 20

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2019.10.20-19:53:27

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