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Likelihood methods for CMB experiments
Martina Gerbino, Massimiliano Lattanzi, Marina Migliaccio +6
A great deal of experimental effort is currently being devoted to the precise measurements of the cosmic microwave background (CMB) sky in temperature and polarisation. Satellites,…
Planck 2018 results. V. CMB power spectra and likelihoods
Planck Collaboration, N. Aghanim, Y. Akrami +165
This paper describes the 2018 Planck CMB likelihoods, following a hybrid approach similar to the 2015 one, with different approximations at low and high multipoles, and implementin…
Planck 2018 results. VII. Isotropy and Statistics of the CMB
Planck Collaboration, Y. Akrami, M. Ashdown +147
Analysis of the Planck 2018 data set indicates that the statistical properties of the cosmic microwave background (CMB) temperature anisotropies are in excellent agreement with pre…
Planck 2018 results. IX. Constraints on primordial non-Gaussianity
Planck Collaboration, Y. Akrami, F. Arroja +157
We analyse the Planck full-mission cosmic microwave background (CMB) temperature and E-mode polarization maps to obtain constraints on primordial non-Gaussianity (NG). We compare e…
Cosmological constraints on neutrino self-interactions with a light mediator
F. Forastieri, M. Lattanzi, P. Natoli
If active neutrinos undergo non-standard (`secret') interactions (NSI) the cosmological evolution of the neutrino fluid might be altered, leaving an imprint in cosmological obse…
The Next Generation of Cosmological Measurements with Type Ia Supernovae
Dan Scolnic, Saul Perlmutter, Greg Aldering +56
While Type Ia Supernovae (SNe Ia) are one of the most mature cosmological probes, the next era promises to be extremely exciting in the number of different ways SNe Ia are used to…