Nowadays the leading contender to understand the initial conditions of the Big Bang is inflation, which predicts the existence of a primordial background of gravitational waves that must have left its imprint in the CMB polarization: the so-called B-modes. The main difficulty in measuring the B-modes comes not just from its sheer faintness but from the fact that many other objects in the universe also emit polarized microwaves.
The European Low Frequency Survey (ELFS) is a project that will allow the detection of the B-modes by measuring the Galactic and extra-Galactic foregrounds in the 5 - 120 GHz frequency window, and with at least 30 arcmin resolution at 5 GHz,
which is currently essentially unexplored at the required precision level. This characterizes ELFS with a strong complementarity and combination potential with other probes.
In this talk I will briefly review the scientific motivation for ELFS, its instrumental characteristics and the team plans towards the constitution of a scientific consortium.
Dates
2020-06-15 13:00
Dates
2020-06-15 13:00
Localisation / Location
APC
Salle / Local
Zoom
Orateur/Orator
Mennella//Daniele
Affiliation
Milan
Pays / Country
Italie