Further evidence for a variable fine-structure constant from Keck/HIRES QSO absorption spectra

Details Further evidence for a variable fine-structure constant from Keck/HIRES QSO absorption spectra Further evidence for a variable fine-structure constant from Keck/HIRES QSO absorption spectra

2003-06-24

arxiv.org/abs/astro-ph/0306483v1

Mon.Not.Roy.Astron.Soc.345:609,2003

Astronomy and Astrophysics

Astrophysics

31 pages, 25 figures (29 EPS files), 8 tables. Accepted by MNRAS. Colour versions of Figs. 6, 8 & 10 and text version of Table

Scientific paper

10.1046/j.1365-8711.2003.06970.x

[Abridged] We previously presented evidence for a varying fine-structure constant, alpha, in two independent samples of Keck/HIRES QSO spectra. Here we present a detailed many-multiplet analysis of a third Keck/HIRES sample containing 78 absorption systems. We also re-analyse the previous samples, providing a total of 128 absorption systems over the redshift range 0.2

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