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Interpretations of the NuTeV
Sacha Davidson
We summarize theoretical explanations of the three discrepancy between measured by NuTeV and predicted by the Standard Model global fit. Possible new physics expla…
Leptogenesis and rescattering in supersymmetric models
Lotfi Boubekeur, Sacha Davidson, Marco Peloso +1
The observed baryon asymmetry of the Universe can be due to the violating decay of heavy right handed (s)neutrinos. The amount of the asymmetry depends crucially on their num…
Leptogenesis and low-energy phases
Sacha Davidson, Alejandro Ibarra
In supersymmetric models, the CP asymmetry produced in the decay of the lightest right-handed neutrino, , can be written as a function of weak scale parameters. We…
A lower bound on the right-handed neutrino mass from leptogenesis
Sacha Davidson, Alejandro Ibarra
In the seesaw model, the baryon asymmetry of the Universe can be generated by the decay of the lightest right-handed neutrino, nu_R. For a hierarchical spectrum of right-handed neu…