CP violation and lightest neutrino mass effects in thermal leptogenesis

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Abstract

Effects of the lightest neutrino mass in flavoured leptogenesis when the CP-violation necessary for the generation of the baryon asymmetry of the Universe is due exclusively to the Dirac and/or Majorana phases in the neutrino mixing matrix U are discussed. The type I see-saw scenario with three heavy right-handed Majorana neutrinos having hierarchical spectrum is considered. The orthogonal parametrisation of the matrix of neutrino Yukawa couplings, which involves a complex orthogonal matrix R, is employed. Results for light neutrino mass spectrum with normal and inverted ordering (hierarchy) are reviewed. © 2009 IOP Publishing Ltd.

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APA

Molinaro, E., Petcov, S. T., Shindou, T., & Takanishi, Y. (2009). CP violation and lightest neutrino mass effects in thermal leptogenesis. Journal of Physics: Conference Series, 171. https://doi.org/10.1088/1742-6596/171/1/012077

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