Leptogenesis

By Sacha Davidson, E. Nardi, Yosef Nir. 2008

871 citations recorded by the source corpus.

Leptogenesis is a class of scenarios where the baryon asymmetry of the Universe is produced from a lepton asymmetry generated in the decays of a heavy sterile neutrino. We explain the motivation for leptogenesis. We review the basic mechanism, and describe subclasses of models. We then focus on recent developments in the understanding of leptogenesis: finite temperature effects, spectator processes, and in particular the significance of flavor physics.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/1af96f40345762155f18180dbb23b1de87171632

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In Astronomy and Astrophysics

In Nuclear and High Energy Physics

Citations in the corpus

Long-baseline neutrino oscillation physics potential of the DUNE experiment (2020, positive): “Observation of CPV in neutrinos would be an important step in understanding the origin of the baryon asymmetry of the universe [2,3].”
Flavor structures of charged fermions and massive neutrinos (2019, background): “The CP-violating asymmetry between Ni → `α + H and Ni → `α + H decays in the early Universe provides a natural possibility of generating an intriguing lepton-antilepton asymmetry.”
A White Paper on keV sterile neutrino Dark Matter (2016, background): “An interesting example is provided by SO(10)-inspired leptogenesis [386, 396, 402, 403, 443], which produces interesting testable constraints on low energy neutrino parameters, especially when a condition of independence of the initial conditions is imposed (strong thermal leptogenesis) [404–406].”
From the Trees to the Forest: A Review of Radiative Neutrino Mass Models (2017, background): “[119, 155] in scotogenic-like models, respectively.”
A facility to search for hidden particles at the CERN SPS: the SHiP physics case (2015, methodology): “A flavour is “distinguishable”, if its charged lepton Yukawa is in equilibrium, which is true for the τ Yukawa at the temperatures 10(9) ∼< T ∼< 10(12) GeV considered here (see [643] for flavoured Boltzmann equations).”
Baryogenesis from the weak scale to the grand unification scale (2020, background): “(111) by about 1 order of magnitude, barring fine-tuning (Davidson et al., 2008; Blanchet and Di Bari, 2012; Dev et al., 2018b).”