The recent results from T2K and MINOS experiments point towards a relatively large value of the reactor angle theta(13) in the lepton sector. In this paper we show how a large theta(13) can arise from the charged lepton sector alone in the context of an SU(5) GUT. In such a scenario (tri-)bimaximal mixing in the neutrino sector is still a viable possibility. We also analyse the general implications of the considered scenario for the searches of CP violation in neutrino oscillations.
Sizeable theta(13) from the charged lepton sector in SU(5), (tri-)bimaximal neutrino mixing and Dirac CP violation RID D-3431-2011 / Marzocca, David; Petkov, Serguey Todorov; Romanino, Andrea; Spinrath, Martin. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - 2011:11(2011), pp. 1-18. [10.1007/JHEP11(2011)009]
Sizeable theta(13) from the charged lepton sector in SU(5), (tri-)bimaximal neutrino mixing and Dirac CP violation RID D-3431-2011
Marzocca, David;Petkov, Serguey Todorov;Romanino, Andrea;Spinrath, Martin
2011-01-01
Abstract
The recent results from T2K and MINOS experiments point towards a relatively large value of the reactor angle theta(13) in the lepton sector. In this paper we show how a large theta(13) can arise from the charged lepton sector alone in the context of an SU(5) GUT. In such a scenario (tri-)bimaximal mixing in the neutrino sector is still a viable possibility. We also analyse the general implications of the considered scenario for the searches of CP violation in neutrino oscillations.| File | Dimensione | Formato | |
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