Constraints on dark energy models from radial baryon acoustic scale measurements

نویسنده

  • Bharat Ratra
چکیده

We use the radial baryon acoustic oscillation (BAO) measurements of Gaztañaga et al. (2008a) to constrain parameters of dark energy models. These constraints are comparable with constraints from other “non-radial” BAO data. The radial BAO data are consistent with the time-independent cosmological constant model but do not rule out time-varying dark energy. Subject headings: cosmological parameters — distance scale — large-scale structure of universe

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تاریخ انتشار 2009