The extended Baryon Oscillation Spectroscopic Survey (eBOSS): a cosmological forecast

Gong-Bo Zhao, Yuting Wang, Ashley J. Ross, Sarah Shandera, Will J. Percival, Kyle S. Dawson, Jean-Paul Kneib, Adam D. Myers, Joel R. Brownstein, Johan Comparat, Timothée Delubac, Pengyuan Gao, Alireza Hojjati, Kazuya Koyama, Cameron K. McBride, Andrés Meza, Jeffrey A. Newman, Nathalie Palanque-Delabrouille, Levon Pogosian, Francisco PradaGraziano Rossi, Donald P. Schneider, Hee-Jong Seo, Charling Tao, Dandan Wang, Christophe Yèche, Hanyu Zhang, Yuecheng Zhang, Xu Zhou, Fangzhou Zhu, Hu Zou

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Abstract

We present a science forecast for the eBOSS survey, part of the SDSS-IV project, which is a spectroscopic survey using multiple tracers of large-scale structure, including luminous red galaxies (LRGs), emission line galaxies (ELGs) and quasars (both as a direct probe of structure and through the Ly-$\alpha$ forest). Focusing on discrete tracers, we forecast the expected accuracy of the baryonic acoustic oscillation (BAO), the redshift-space distortion (RSD) measurements, the $f_{\rm NL}$ parameter quantifying the primordial non-Gaussianity, the dark energy and modified gravity parameters. We also use the line-of-sight clustering in the Ly-$\alpha$ forest to constrain the total neutrino mass. We find that eBOSS LRGs ($0.6z 0.6$), ELGs ($0.6z($0.6z
Original languageEnglish
Pages (from-to)2377-2390
Number of pages14
JournalMNRAS
Volume457
Issue number3
Early online date10 Feb 2016
DOIs
Publication statusPublished - 11 Apr 2016

Keywords

  • astro-ph.CO
  • RCUK
  • STFC
  • ST/K00090/1
  • dark energy
  • large scale structure of Universe

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