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
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]
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|Source:||Monthly Notices of the Royal Astronomical Society|
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