New upper limit on the total neutrino mass from the 2 degree field galaxy redshift survey

Elgarøy, O. Lahav, W. J. Percival, J. A. Peacock, D. S. Madgwick, S. L. Bridle, C. M. Baugh, I. K. Baldry, J. Bland-Hawthorn, T. Bridges, R. Cannon, S. Cole, M. Colless, C. Collins, W. Couch, G. Dalton, R. De Propris, S. P. Driver, G. P. Efstathiou, R. S. EllisC. S. Frenk, K. Glazebrook, C. Jackson, I. Lewis, S. Lumsden, S. Maddox, P. Norberg, B. A. Peterson, W. Sutherland, K. Taylor

Research output: Contribution to journalArticlepeer-review

160 Citations (Scopus)

Abstract

The shape of the 2 Degree Field Galaxy Redshift Survey (2dFGRS) power spectrum was analyzed to obtain an upper bound on the fractional contribution of massive neutrinos to the total mass density, fv. An upper limit fv > 0.13 at 95% confidence level for 0.1>Ωm was found.

Original languageEnglish
Article number061301
Pages (from-to)061301/1-061301/4
JournalPhysical Review Letters
Volume89
Issue number6
DOIs
Publication statusPublished - 5 Aug 2002
Externally publishedYes

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