期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 454, 期 3, 页码 3200-3206出版社
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stv2164
关键词
cosmic background radiation; cosmology: observations; large-scale structure of Universe
Our tightest upper limit on the sum of neutrino mass eigenvalues M-v comes from cosmological observations that will improve substantially in the near future, enabling a detection. The combination of the baryon acoustic oscillation feature measured from the Dark Energy Spectroscopic Instrument and a Stage-IV Cosmic Microwave Background experiment has been forecasted to achieve sigma(M-v) < 1/3 of the lower limit on M-v from atmospheric and solar neutrino oscillations. Here we examine in detail the physical effects of neutrino mass on cosmological observables that make these constraints possible. We also consider how these constraints would be improved to ensure at least a 5 sigma detection.
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