CFHTLS weak-lensing constraints on the neutrino masses - INSPIRE

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CFHTLS weak-lensing constraints on the neutrino masses

Oct, 2008

9 pages

Published in:

Astron.Astrophys. 500 (2009) 657-665

e-Print:

0810.0555 [astro-ph]

DOI:

10.1051/0004-6361/200811077

PDG: SUM OF THE NEUTRINO MASSES,

{\mathit m}_{\mathrm {tot}}

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Abstract: (arXiv)

We use measurements of cosmic shear from CFHTLS, combined with WMAP-5 cosmic microwave background anisotropy data, baryonic acoustic oscillations from SDSS and 2dFGRS and supernovae data from SNLS and Gold-set, to constrain the neutrino mass. We obtain a 95% confidence level upper limit of 0.54 eV for the sum of the neutrino masses, and a lower limit of 0.03 eV. The preference for massive neutrinos weakens when shear-measurement systematics are included in the analysis.

cosmological parameters
Neutrinos
large-scale structure of Universe
Gravitational lensing
cosmic background radiation: anisotropy
neutrino: mass
supernova
baryon: oscillation
acoustic
statistical analysis

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Figures(12)

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