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2016MNRAS.461...73T - Mon. Not. R. Astron. Soc., 461, 73-78 (2016/September-1)

Hyperfine structure constants for singly ionized manganese (Mn II) using Fourier transform spectroscopy.

TOWNLEY-SMITH K., NAVE G., PICKERING J.C. and BLACKWELL-WHITEHEAD R.J.

Abstract (from CDS):

We expand on the comprehensive study of hyperfine structure (HFS) in Mn iiconducted by Holt et al. (1999) by verifying hyperfine magnetic dipole constants (A) for 20 levels previously measured by Holt et al. (1999) and deriving A constants for 47 previously unstudied levels. The HFS patterns were measured in archival spectra from Fourier transform (FT) spectrometers at Imperial College London and the National Institute of Standards and Technology. Analysis of the FT spectra was carried out in xgremlin. Our A constant for the ground level has a lower uncertainty by a factor of 6 than that of Blackwell-Whitehead et al.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): atomic data - line: profiles - methods: laboratory: atomic - techniques: spectroscopic - techniques: spectroscopic

Simbad objects: 1

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