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The WiggleZ dark energy survey: Probing the epoch of radiation domination using large-scale structure

Poole, Gregory B; Blake, Chris; Parkinson, David; Brough, Sarah; Colless, Matthew; Contreras, Carlos; Couch, Warrick; Croton, Darren; Croom, Scott M; Davis, Tamara; Drinkwater, Michael John; Forster, Karl; Gilbank, David; Gladders, Mike; Glazebrook, Karl; Jelliffe, Ben; Pracy, Michael; Madore, Barry; Wyder, Ted

Description

We place the most robust constraint to date on the scale of the turnover in the cosmological matter power spectrum using data from the WiggleZ Dark Energy Survey. We find this feature to lie at a scale of k0 = 0.0160+0.0035-0.0041 (h Mpc-1) (68 per cent confidence) for an effective redshift of zeff = 0.62 and obtain from this the first ever turnover-derived distance and cosmology constraints: a measure of the cosmic distance-redshift relation in units of the horizon scale at the redshift of...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
URI: http://hdl.handle.net/1885/70907
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/sts431

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