The time variation of the fine structure constant: A statistical analysis of astronomical data

Details The time variation of the fine structure constant: A statistical analysis of astronomical data The time variation of the fine structure constant: A statistical analysis of astronomical data

2008-06-04

arxiv.org/abs/0806.0820v2

Astron.Astrophys.487:857-863,2008

Astronomy and Astrophysics

Astrophysics

9 pages, 1 figure, replaced to match version to be published in Astronomy and Astrophysics

Scientific paper

10.1051/0004-6361:20079125

We analyze different data of the variation of the fine structure constant obtained with different methods to check their consistency.We test consistency using the modified Student test and confidence intervals. We split the data sets in smaller intervals. A criterion for this selection is proposed. Results show consistency for reduced intervals for each pair of data sets considered. Results are at variance with the ones obtained considering mean values over the whole interval.

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