COSMO-LYA
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FOS: Physical sciences
New constraints on the expansion rate at redshift 2.3 from the Lyman-$α$ forest
We measure the expansion rate of the Universe at redshift z=2.3 from the anisotropy of Lyman-α (Lyα) forest correlations measured by …
Andrei Cuceu
,
Andreu Font-Ribera
,
Seshadri Nadathur
,
Benjamin Joachimi
,
Paul Martini
Sep 28, 2022
DOI
arXiv
The Alcock-Paczyński effect from Lyman-$α$ forest correlations: Analysis validation with synthetic data
The three-dimensional distribution of the Lyα forest has been extensively used to constrain cosmology through measurements of the …
Andrei Cuceu
,
Andreu Font-Ribera
,
Paul Martini
,
Benjamin Joachimi
,
Seshadri Nadathur
,
James Rich
,
Alma X. González-Morales
,
Hélion du Mas des Bourboux
,
James Farr
Sep 26, 2022
DOI
arXiv
Direct cosmological inference from three-dimensional correlations of the Lyman-$α$ forest
When performing cosmological inference, standard analyses of the Lyman-α (Lyα) three-dimensional correlation functions only consider …
Francesca Gerardi
,
Andrei Cuceu
,
Andreu Font-Ribera
,
Benjamin Joachimi
,
Pablo Lemos
Sep 22, 2022
DOI
arXiv
Compressing the cosmological information in one-dimensional correlations of the Lyman-$α$ forest
Observations of the Lyman-α (Lyα) forest from spectroscopic surveys such as BOSS/eBOSS, or the ongoing DESI, offer a unique window to …
Christian Pedersen
,
Andreu Font-Ribera
,
Nickolay Y. Gnedin
Sep 20, 2022
DOI
arXiv
Non-linearities in the Lyman-$α$ forest and in its cross-correlation with dark matter halos
Three-dimensional correlations of the Lyman-α (Lyα) forest and cross correlations between the Lyα forest and quasars have been measured …
Jahmour J. Givans
,
Andreu Font-Ribera
,
Anže Slosar
,
Louise Seeyave
,
Christian Pedersen
,
Keir K. Rogers
,
Mathias Garny
,
Diego Blas
,
Vid Iršič
May 2, 2022
DOI
arXiv
