Confronting the damping of the baryon acoustic oscillations with observation

Details Confronting the damping of the baryon acoustic oscillations with observation Confronting the damping of the baryon acoustic oscillations with observation

2009-03-11

arxiv.org/abs/0903.1883v1

Phys.Rev.D79:063512,2009

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

9 pages, Physical Review D, in press

Scientific paper

10.1103/PhysRevD.79.063512

We investigate the damping of the baryon acoustic oscillations in the matter power spectrum due to the quasinonlinear clustering and redshift-space distortions by confronting the models with the observations of the Sloan Digital Sky Survey luminous red galaxy sample. The chi-squared test suggests that the observed power spectrum is better matched by models with the damping of the baryon acoustic oscillations rather than the ones without the damping.

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