Journal Article

Core-polarization effects, oscillator strengths and radiative lifetimes of levels in Pb <span class="smallCaps">iii</span>

A. Alonso-Medina, C. Colón and A. Zanón

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 395, issue 1, pages 567-579
Published in print May 2009 | ISSN: 0035-8711
Published online April 2009 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2009.14582.x
Core-polarization effects, oscillator strengths and radiative lifetimes of levels in Pb iii

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Transition probabilities and oscillator strengths of 382 lines with astrophysical interest arising from 5d96s26p, 5d106snl, 5d106s2, 5d106p2, 5d106p7s and 5d106p6d configurations and some levels radiative lifetimes of Pb iii have been calculated. These values were obtained in intermediate coupling (IC) and using relativistic Hartree–Fock calculations including core-polarization effects. We use for the IC calculations the standard method of least-square fitting from experimental energy levels by means of Cowan computer code. The inclusion in these calculations of the 5d106p7s and 5d106p6d configurations has facilitated us a complete assignment of the levels of energy in the Pb iii. Transition probabilities, oscillator strengths and radiative lifetimes obtained are generally in good agreement with the experimental data.

Keywords: atomic data; atomic processes

Journal Article.  3917 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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