Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-12-14
Physics
High Energy Physics
High Energy Physics - Phenomenology
v1: 9 pages; v2: added Appendix and discussion about RGEs, deleted one figure and updated the other figures, accepted for publ
Scientific paper
10.1016/j.physletb.2011.04.017
We calculate finite quantum corrections to the tribimaximal neutrino mixing pattern V_TB in three generic classes of neutrino mass models. We show that three flavor mixing angles can all depart from their tree-level results described by V_TB, among which \theta_12 is most sensitive to such quantum effects, and the Dirac CP-violating phase can radiatively arise from two Majorana CP-violating phases. This theoretical scheme offers a new way to understand why \theta_13 is naturally small and how three CP-violating phases are presumably correlated.
Araki Takeshi
Geng Chao-Qiang
Xing Zhi-zhong
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