Combining Planck data with large scale structure information gives a strong neutrino mass constraint

Riemer-Sorensen, Signe, Parkinson, David and Davis, Tamara M. (2014) Combining Planck data with large scale structure information gives a strong neutrino mass constraint. Physical Review D - Particles, Fields, Gravitation and Cosmology, 89 10: . doi:10.1103/PhysRevD.89.103505

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Author Riemer-Sorensen, Signe
Parkinson, David
Davis, Tamara M.
Title Combining Planck data with large scale structure information gives a strong neutrino mass constraint
Journal name Physical Review D - Particles, Fields, Gravitation and Cosmology   Check publisher's open access policy
ISSN 1550-7998
1550-2368
Publication date 2014-05-05
Year available 2014
Sub-type Article (original research)
DOI 10.1103/PhysRevD.89.103505
Open Access Status File (Publisher version)
Volume 89
Issue 10
Total pages 10
Place of publication College Park, MD United State
Publisher American Physical Society
Language eng
Abstract We present the strongest current cosmological upper limit on the neutrino mass of mν<0.18eV (95% confidence). It is obtained by adding observations of the large-scale matter power spectrum from the WiggleZ Dark Energy Survey to observations of the cosmic microwave background data from the Planck surveyor, and measurements of the baryon acoustic oscillation scale. The limit is highly sensitive to the priors and assumptions about the neutrino scenario. We explore scenarios with neutrino masses close to the upper limit (degenerate masses), neutrino masses close to the lower limit where the hierarchy plays a role, and the addition of massive or massless sterile species.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2015 Collection
 
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