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

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    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

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