Accurate measurement of the matter density parameter

fig15

fig15 filetype_pdf (1)

We use our recent estimation of the clustering ratio at high redshift (from VIPERS PDR-1) in the weakly non-linear regime (~5 Mpc/h) and combine it to the previous measurement performed in the linear regime, at low redshift (from SDSS DR-7). The outcome of this combination provide us with an precise and accurate measurement of the matter density parameter today.

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