ミニマルシーソーモデルによるレプトジュネシス

概要

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We have studied a leptogenesis scenario in the framework of the minimal seesaw model with tri/bi-maximal mixing. Usually, at least one of the elements in the Dirac mass matrix is fixed to be zero when we use so-called reconstruction fomula. We have pointed out that we can take not only zero but also non-zero constant as a fixed element to use the reconstruction fomula.