Baryon acoustic oscillations in the Ly α forest of BOSS quasars

Busca, N. G.; Delubac, T.; Rich, J.; Bailey, S.; Font-Ribera, A.; Kirkby, D.; Goff, J.-M. Le; Pieri, M. M.; Slosar, A.; Aubourg, É.; Bautista, J. E.; Bizyaev, D.; Blomqvist, M.; Bolton, A. S.; Bovy, J.; Brewington, H.; Borde, A.; Brinkmann, J.; Carithers, B.; Croft, R. A. C.; Dawson, K. S.; Ebelke, G.; Eisenstein, D. J.; Hamilton, J.-C.; Ho, S.; Hogg, D. W.; Honscheid, K.; Lee, K.-G.; Lundgren, B.; Malanushenko, E.; Malanushenko, V.; Margala, D.; Maraston, C.; Mehta, K.; Miralda-Escudé, J.; Myers, A. D.; Nichol, R. C.; Noterdaeme, P.; Olmstead, M. D.; Oravetz, D.; Palanque-Delabrouille, N.; Pan, K.; Pâris, I.; Percival, W. J.; Petitjean, P.; Roe, N. A.; Rollinde, E.; Ross, N. P.; Rossi, G.; Schlegel, D. J.; Schneider, D. P.; Shelden, A.; Sheldon, E. S.; Simmons, A.; Snedden, S.; Tinker, J. L.; Viel, M.; Weaver, B. A.; Weinberg, D. H.; White, M.; Yèche, C.; York, D. G.

doi:10.1051/0004-6361/201220724

articleAstronomy and AstrophysicsFeb 11, 2013BRONZE OA

Baryon acoustic oscillations in the Ly α forest of BOSS quasars

NGN. G. BuscaTDT. DelubacJRJ. RichSBS. BaileyAFA. Font-Ribera

Centre National de la Recherche Scientifique · Université Paris Cité · +30 more institutions

Indexed inarxivcrossrefdoaj

Abstract

We report a detection of the baryon acoustic oscillation (BAO) feature in the three-dimensional correlation function of the transmitted flux fraction in the Lyα forest of high-redshift quasars. The study uses 48 640 quasars in the redshift range 2.1 ≤ z ≤ 3.5 from the Baryon Oscillation Spectroscopic Survey (BOSS) of the third generation of the Sloan Digital Sky Survey (SDSS-III). At a mean redshift z = 2.3, we measure the monopole and quadrupole components of the correlation function for separations in the range 20 h-1 Mpc

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62

NG
N. G. BuscaCorresponding
Centre National de la Recherche Scientifique, Université Paris Cité, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Délégation Paris 7
TD
T. Delubac
Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Institut de Recherche sur les Lois Fondamentales de l'Univers, CEA Paris-Saclay
JR
J. Rich
CEA Paris-Saclay, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Institut de Recherche sur les Lois Fondamentales de l'Univers
SB
S. Bailey
Lawrence Berkeley National Laboratory
AF
A. Font-Ribera
University of Zurich, Lawrence Berkeley National Laboratory

Topics & keywords

Topics

Keywords

Baryon
Quasar
Redshift
Cosmic microwave background
Baryon acoustic oscillations
Oscillation (cell signaling)
Correlation function (quantum field theory)
Dark matter

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