Speaker
Mr
David Sánchez Cid
(CIEMAT/UCM)
Description
Pre-recombination physics imprinted the Baryon Acoustic Oscillation (BAO) feature on the matter distribution and therefore on the galaxy statistics we observe today. This known-size BAO scale let cosmological surveys study the accelerated expansion of the Universe and the unknown component that generates it. Present surveys make use of 2-point correlations function to study galaxy distribution and different fitting methods have been developed in order to reveal the BAO scale. Here we present a analytical full-shape fitting method for the angular correlation function of galaxies from the Dark Energy Survey Y1 data, and how the method compares with the fiducial DES BAO results.
