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Planck 2015 results. XI. CMB power spectra, likelihoods, and robustness of parameters
Planck Collaboration, N. Aghanim, M. Arnaud +221
This paper presents the Planck 2015 likelihoods, statistical descriptions of the 2-point correlations of CMB data, using the hybrid approach employed previously: pixel-based at $\e…
A First Detection of the Acoustic Oscillation Phase Shift Expected from the Cosmic Neutrino Background
Brent Follin, Lloyd Knox, Marius Millea +1
The unimpeded relativistic propagation of cosmological neutrinos prior to recombination of the baryon-photon plasma alters gravitational potentials and therefore the details of the…
New Bounds for Axions and Axion-Like Particles with keV-GeV Masses
Marius Millea, Lloyd Knox, Brian Fields
We give updated constraints on hypothetical light bosons with a two-photon coupling such as axions or axion-like particles (ALPs). We focus on masses and lifetimes where decays hap…