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Atoms 2017, 5(1), 8; doi:10.3390/atoms5010008

Calculation of Rates of 4p–4d Transitions in Ar II

CTAMOP, School of Mathematics & Physics, Queen’s University, Belfast BT7 1NN, UK
Academic Editor: Joseph Reader
Received: 29 December 2016 / Revised: 27 January 2017 / Accepted: 9 February 2017 / Published: 21 February 2017
(This article belongs to the Special Issue Spectra of Ionized Atoms: From Laboratory to Space)
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Abstract

Recent experimental work by Belmonte et al. (2014) has given rates for some 4p–4d transitions that are significantly at variance with the previous experimental work of Rudko and Tang (1967) recommended in the NIST tabulations. To date, there are no theoretical rates with which to compare. In this work, we provide such theoretical data. We have undertaken a substantial and systematic configuration interaction calculation, with an extrapolation process applied to ab initio mixing coefficients, which gives energy differences in agreement with experiment. The length and velocity forms give values that are within 10%–15% of each other. Our results are in sufficiently close agreement with those of Belmonte et al. that we can confidently recommend that their results are much more accurate than the early results of Rudko and Tang, and should be adopted in place of the latter. View Full-Text
Keywords: E1 transitions; configuration interaction calculaton; transition rates E1 transitions; configuration interaction calculaton; transition rates
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Hibbert, A. Calculation of Rates of 4p–4d Transitions in Ar II. Atoms 2017, 5, 8.

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