Neutrino masses from CMB B-mode polarization and cosmic growth rate
Abstract
Constraints on neutrino masses are estimated based on future observations of the cosmic microwave background (CMB), which includes the B-mode polarization produced by CMB lensing from the Planck satellite, and the growth rate of cosmic structure from the Euclid redshift survey by using the Markov-Chain Monte-Carlo (MCMC) method. The error in the bound on the total neutrino mass is estimated to be eV with a 68\% confidence level. By using the growth rate rather than the galaxy power spectrum, accurate constraints are obtained, since the growth rate is less influenced by the uncertainty regarding galaxy bias than by the galaxy power spectrum.
Keywords
Cite
@article{arxiv.1312.7814,
title = {Neutrino masses from CMB B-mode polarization and cosmic growth rate},
author = {Koichi Hirano},
journal= {arXiv preprint arXiv:1312.7814},
year = {2015}
}
Comments
9 pages, 3 figures, 3 tables, Accepted for publication in International Journal of Modern Physics A. arXiv admin note: substantial text overlap with arXiv:1212.6423