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Baryogenesis through leptogenesis
Riccardo Barbieri, Paolo Creminelli, Alessandro Strumia +1
Baryogenesis by heavy-neutrino decay and sphaleron reprocessing of both baryon and lepton number is reconsidered, paying special attention to the flavour structure of the general e…
What is the limit on the Higgs mass?
Riccardo Barbieri, Alessandro Strumia
We obtain the bounds on all the gauge invariant, flavour symmetric, CP-even operators of dimension 6 that can affect the electroweak precision tests. For the preferred Higgs mass o…
Neutrino mixings from a U(2) flavour symmetry
Riccardo Barbieri, Paolo Creminelli, Andrea Romanino
We extend a previously developed description of the flavour parameters in the charged fermion sector, based on a U(2) flavour symmetry, to include two main features of the neutrino…
Atmospheric and Solar neutrinos in the light of the SuperKamiokande results
Riccardo Barbieri
The hierarchy and the large mixing angle, as suggested by neutrino oscillation experiments, can be accounted for by a variety of lepton flavour…