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Lepton Mixing and Cancellation of the Dirac Mass Hierarchy in SO(10) GUTs with Flavor Symmetries T7 and Sigma(81)
Claudia Hagedorn, Michael A. Schmidt, Alexei Yu. Smirnov
In SO(10) grand unified theories (GUTs) the hierarchy which is present in the Dirac mass term of the neutrinos is generically as strong as the one in the up-type quark mass term. W…
Neutrino-2008: Where are we? Where are we going?
Alexei Yu. Smirnov
Our present knowledge of neutrinos can be summarized in terms of the "standard neutrino scenario". Phenomenology of this scenario as well as attempts to uncover physics behind neut…
Reconciling results of LSND, MiniBooNE and other experiments with soft decoherence
Yasaman Farzan, Thomas Schwetz, Alexei Yu Smirnov
We propose an explanation of the LSND signal via quantum-decoherence of the mass states, which leads to damping of the interference terms in the oscillation probabilities. The deco…
Coherence and oscillations of cosmic neutrinos
Yasaman Farzan, Alexei Yu Smirnov
For cosmic neutrinos we study the conditions and the effects of the coherence loss as well as coherent broadening of the spectrum. We evaluate the width of the neutrino wavepacket…