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New and improved experimental oscillator strengths in Zr II and the solar abundance of zirconium

Ljung, G; Nilsson, H; Asplund, Martin; Johansson, S

Description

Using the Fourier Transform Spectrometer at Lund Observatory, intensity calibrated spectra of singly ionized zirconium have been recorded and analyzed. Oscillator strengths for 263 Zr II spectral lines in the region 2500-5400 A have been derived by combining new experimental branching fractions with previously measured radiative lifetimes. The transitions combine 34 odd parity levels with 29 low metastable levels between 0 and 2.4 eV. The experimental branching fractions have been compared with...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/27428
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361:20065212

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