Leptogenesis in Realistic SO(10) Models
Xiangdong Ji, Yingchuan Li, R. N. Mohapatra, S. Nasri, Yue Zhang
Abstract
We study the origin of baryonic matter via leptogenesis in realistic SO(10) models, in particular, in a new lopsided mass matrix model introduced recently by three of the authors. By introducing simple CP-violating phases in the mass matrix of the right-handed neutrinos, the model generates sufficient baryon asymmetry without fine-tuning. We compare this result with other realistic SO(10) models.
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