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Neutrino CP violation and sign of baryon asymmetry in the minimal seesaw model

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arxiv 1711.03863 v2 pith:DMKW53LR submitted 2017-11-09 hep-ph

classification hep-ph
keywords modelneutrinoasymmetrybaryondiracphasecosmologicalfixed
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abstract

We discuss the correlation between the CP violating Dirac phase of the lepton mixing matrix and the cosmological baryon asymmetry based on the leptogenesis in the minimal seesaw model with two right-handed Majorana neutrinos and the trimaximal mixing for neutrino flavors. The sign of the CP violating Dirac phase at low energy is fixed by the observed cosmological baryon asymmetry since there is only one phase parameter in the model. According to the recent T2K and NO$\nu$A data of the CP violation, the Dirac neutrino mass matrix of our model is fixed only for the normal hierarchy of neutrino masses.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Rephasing invariant CP phases and sum rules in TM$_{1,2}$ mixing

    hep-ph 2026-05 unverdicted novelty 5.0 of 10

    TM1,2 mixing phases φ1,2 equal specific rephasing-invariant phase combinations of the PMNS matrix and satisfy exact sum rules with the Dirac phase δ.

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