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28 avril 2017 Tout le mois


Matteo Viel (INAF Trieste) — Cosmology with the Lyman-alpha forest : new results

Vendredi 28 avril 11:00-12:00 - Amphi

Abstract : I will review the status of the cosmological use of the main manifestation of the intergalactic medium (i.e. the Lyman-alpha forest). After a short introduction, I will describe the use of quasar spectra at high, medium and low resolution and signal-to-noise to probe our high redshift Universe. Among the topics to be discussed I will focus on : neutrino masses, non-cold dark matter and its small scales signatures, geometrical constraints, the low-redshift evolution of the forest.

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