Jun 23 – 28, 2014
Europe/Zurich timezone

Invited Talk: Constraints on dark matter coldness and neutrinos from intergalatic space

Jun 24, 2014, 11:00 AM
Room 1 (Tuschinski Theatre)

Room 1

Tuschinski Theatre

Presentation Plenary Talks


matteo viel


I will review the constraints that can be placed on the coldness of cold dark matter and total neutrino mass by using the Lyman-alpha forest, which is the main manifestation of the intergalactic medium. The intergalactic medium cosmic web probes mildly non-linear scales of the matter distribution at redshifts z=2-6, in a crucial phase of the formation of cosmic structures. I will describe how state-of-the-art data, from Sloan Digital Sky Survey and high resolution spectroscopy, can be used together with high-resolution hydro dynamic simulations to: i) infer lower limits on the mass of a warm dark matter thermal relic or sterile neutrino; ii) infer upper limits on the total mass of active neutrinos.

Presentation materials