Confronting the damping of the baryon acoustic oscillations with observation

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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.
9 pages, Physical Review D, in press

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Cosmology and Nongalactic Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/224263

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0903.1883
 http://arxiv.org/abs/0903.1883
 Phys.Rev.D79:063512,2009
 doi:10.1103/PhysRevD.79.063512

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arXiv