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Riemer–Sørensen, Signe; Blake, Chris; Parkinson, David; Davis, Tamara M.; Brough, Sarah; Colless, Matthew; Contreras, Carlos; Couch, Warrick; Croom, Scott; Croton, Darren; Drinkwater, Michael J.; Forster, Karl; Gilbank, David; Gladders, Mike; Glazebrook, Karl; Jelliffe, Ben; Jurek, Russell J.; Li, I-hui; Madore, Barry; Martin, D. Christopher; Pimbblet, Kevin; Poole, Gregory B.; Pracy, Michael; Sharp, Rob; Wisnioski, Emily; Woods, David; Wyder, Ted K.; Yee, H. K. C.
Physical review. D, Particles, fields, gravitation, and cosmology, 04/2012, Letnik: 85, Številka: 8Journal Article
The absolute neutrino mass scale is currently unknown, but can be constrained by cosmology. The WiggleZ high redshift, star-forming, and blue galaxy sample offers a complementary data set to previous surveys for performing these measurements, with potentially different systematics from nonlinear structure formation, redshift-space distortions, and galaxy bias. We obtain a limit of capital sigma m sub(nu) < 0.60 eV (95% confidence) for WiggleZ + Wilkinson Microwave Anisotropy Probe. Combining with priors on the Hubble parameter and the baryon acoustic oscillation scale gives capital sigma m sub(nu) < 0.29 eV, which is the strongest neutrino mass constraint derived from spectroscopic galaxy redshift surveys.
