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Probing Lorentz-violating electrodynamics with CMB polarization
Luca Caloni, Serena Giardiello, Margherita Lembo +4
We perform a comprehensive study of the signatures of Lorentz violation in electrodynamics on the Cosmic Microwave Background (CMB) anisotropies. In the framework of the minimal St…
Strong cosmological constraints on the neutrino magnetic moment
Pierluca Carenza, Giuseppe Lucente, Martina Gerbino +2
A sizable magnetic moment for neutrinos would be evidence of exotic physics. In the early Universe, left-handed neutrinos with a magnetic moment would interact with electromagnetic…
Neutrino mass and mass ordering: No conclusive evidence for normal ordering
Stefano Gariazzo, Martina Gerbino, Thejs Brinckmann +8
The extraction of the neutrino mass ordering is one of the major challenges in particle physics and cosmology, not only for its implications for a fundamental theory of mass genera…
Do you smell something decaying? Updated linear constraints on decaying dark matter scenarios
S. Alvi, T. Brinckmann, M. Gerbino +2
The stability of particles in the cosmic soup is an important property that can affect the cosmic evolution. In this work, we update the constraints on the decaying cold dark matte…
Novel cosmological bounds on thermally-produced axion-like particles
Luca Caloni, Martina Gerbino, Massimiliano Lattanzi +1
We constrain the coupling of thermally-produced axion-like particles (here axions) with photons and gluons, using data from the cosmic microwave background (CMB) spectra and baryon…
Neutrino Self-Interactions: A White Paper
Jeffrey M. Berryman, Nikita Blinov, Vedran Brdar +31
Neutrinos are the Standard Model (SM) particles which we understand the least, often due to how weakly they interact with the other SM particles. Beyond this, very little is known…