The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: signs of neutrino mass in current cosmological data sets

被引：100

作者：

Beutler, Florian ^{[1
]}

Saito, Shun ^{[2
]}

Brownstein, Joel R. ^{[3
]}

Chuang, Chia-Hsun ^{[4
]}

Cuesta, Antonio J. ^{[5
]}

Percival, Will J. ^{[6
]}

Ross, Ashley J. ^{[6
]}

Ross, Nicholas P. ^{[7
]}

Schneider, Donald P. ^{[8
,9
]}

Samushia, Lado ^{[6
]}

Sanchez, Ariel G. ^{[10
]}

Seo, Hee-Jong ^{[11
]}

Tinker, Jeremy L. ^{[12
]}

Wagner, Christian ^{[13
]}

Weaver, Benjamin A. ^{[12
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[2] Univ Tokyo, Todai Inst Adv Study, Kavli Inst Phys & Math Univers WPI, Chiba 2778582, Japan

[3] Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA

[4] Univ Autonoma Madrid, Inst Fis Teor UAM CSIC, E-28049 Madrid, Spain

[5] Univ Barcelona, Inst Ciencies Cosmos, IEEC UB, E-08028 Barcelona, Spain

[6] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England

[7] Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA

[8] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA

[9] Penn State Univ, Inst Gravitat & Cosmos, University Pk, PA 16802 USA

[10] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany

[11] Ohio State Univ, Dept Phys, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA

[12] NYU, Ctr Cosmol & Particle Phys, New York, NY 10003 USA

[13] Max Planck Inst Astrophys, D-85748 Garching, Germany

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2014年 / 444卷 / 04期

基金：

日本学术振兴会; 美国国家科学基金会; 美国安德鲁·梅隆基金会;

关键词：

surveys; cosmological parameters; cosmology: observations; large-scale structure of Universe; DIGITAL SKY SURVEY; BACKGROUND POWER SPECTRUM; DATA RELEASE; GROWTH-RATE; ACOUSTIC-OSCILLATIONS; TELESCOPE; CFHTLENS; CONSTRAINTS; MATTER; PARAMETERS;

D O I：

10.1093/mnras/stu1702

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the cosmological implications of the latest growth of structure measurement from the Baryon Oscillation Spectroscopic Survey (BOSS) CMASS Data Release 11 with particular focus on the sum of the neutrino masses, Sigma m(nu). We examine the robustness of the cosmological constraints from the baryon acoustic oscillation (BAO) scale, the Alcock-Paczynski effect and redshift-space distortions (DV/r(s), F-AP, f sigma(8)) of Beutler et al., when introducing a neutrino mass in the power spectrum template. We then discuss how the neutrino mass relaxes discrepancies between the cosmic microwave background (CMB) and other low-redshift measurements within Lambda cold dark matter. Combining our cosmological constraints with 9-year Wilkinson Microwave Anisotropy Probe (WMAP9) yields Sigma m(nu) = 0.36 +/- 0.14 eV (68 per cent c. l.), which represents a 2.6 sigma preference for non-zero neutrino mass. The significance can be increased to 3.3 sigma when including weak lensing results and other BAO constraints, yielding Sigma m(nu) = 0.35 +/- 0.10 eV (68 per cent c. l.). However, combining CMASS with Planck data reduces the preference for neutrino mass to similar to 2 sigma. When removing the CMB lensing effect in the Planck temperature power spectrum (by marginalizing over A(L)), we see shifts of similar to 1 sigma in sigma(8) and Omega(m), which have a significant effect on the neutrino mass constraints. In the case of CMASS plus Planck without the A(L) lensing signal, we find a preference for a neutrino mass of Sigma m(nu) = 0.34 +/- 0.14 eV (68 per cent c.l.), in excellent agreement with the WMAP9+CMASS value. The constraint can be tightened to 3.4 sigma yielding Sigma m(nu) = 0.36 +/- 0.10 eV (68 per cent c.l.) when weak lensing data and other BAO constraints are included.

引用

页码：3501 / +

页数：16

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