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WiggleZ Dark Energy Survey: Cosmological neutrino mass constraint from blue high-redshift galaxies

Riemer-Sørensen, Signe and Forster, Karl and Martin, D. Christopher and Wyder, Ted K. (2012) WiggleZ Dark Energy Survey: Cosmological neutrino mass constraint from blue high-redshift galaxies. Physical Review D, 85 (8). Art. No. 081101. ISSN 2470-0010.

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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 ∑m_ν<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 ∑m_ν<0.29  eV, which is the strongest neutrino mass constraint derived from spectroscopic galaxy redshift surveys.

Item Type:Article
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Forster, Karl0000-0001-5800-5531
Martin, D. Christopher0000-0002-8650-1644
Additional Information:© 2012 American Physical Society. Received 21 December 2011; published 23 April 2012. S. R. S. acknowledges financial support from The Danish Council for Independent Research|Natural Sciences. We acknowledge financial support from the Australian Research Council through Discovery Project Grant Nos. DP0772084 and DP1093738. This research was supported by CAASTRO: [46] GALEX (the Galaxy Evolution Explorer) is a NASA Small Explorer, launched in April 2003. We gratefully acknowledge NASA’s support for construction, operation and science analysis for the GALEX mission, developed in cooperation with the Centre National d’Etudes Spatiales de France and the Korean Ministry of Science and Technology. We thank the Anglo-Australian Telescope Allocation Committee for supporting the WiggleZ survey over 9 semesters, and we are very grateful for the dedicated work of the staff of the Australian Astronomical Observatory in the development and support of the AAOmega spectrograph, and the running of the AAT.
Group:Space Astrophysics Laboratory
Funding AgencyGrant Number
Danish Council for Independent Research-Natural SciencesUNSPECIFIED
Australian Research Council (Australia) Discovery ProjectDP0772084
Australian Research Council (Australia) Discovery ProjectDP1093738
Issue or Number:8
Classification Code:PACS: 98.80.Es, 14.60.Pq, 95.80.+p, 98.62.Py
Record Number:CaltechAUTHORS:20120515-154321243
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Official Citation:WiggleZ Dark Energy Survey: Cosmological neutrino mass constraint from blue high-redshift galaxies Signe Riemer–Sørensen et al. Published 23 April 2012 (7 pages) 081101
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:31488
Deposited By: Ruth Sustaita
Deposited On:16 May 2012 17:46
Last Modified:09 Mar 2020 23:43

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