Neutrino mass limits from SDSS, 2dFGRS and WMAP

被引：58

作者：

Barger, V ^{[1
]}

Marfatia, D

Tregre, A

机构：

[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

[2] Boston Univ, Dept Phys, Boston, MA 02215 USA

来源：

PHYSICS LETTERS B | 2004年 / 595卷

关键词：

D O I：

10.1016/j.physletb.2004.06.049

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate whether cosmological data suggest the need for massive neutrinos. We employ galaxy power spectrum measurements from the Sloan Digital Sky Survey (SDSS) and the Two Degree Field Galaxy Redshift Survey (2dFGRS), along with Cosmic Microwave Background (CMB) data from the Wilkinson Microwave Anisotropy Probe (WMAP) and 27 other CMB experiments. We also use the measurement of the Hubble parameter from the Hubble Space Telescope (HST) Key Project. We find the sum of the neutrino masses to be smaller than 0.75 eV at 2sigma (I. I eV at 30sigma). (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：55 / 59

页数：5

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