Abstract
We examine the generic predictions of inverse Majorana neutrino mass matrix, \(M_{\nu }^{-1}\) with texture two zeros in the basis where charged lepton mass matrix is diagonal. The mass models studied in the present work predict non-zero values of \(\theta _{13}\) and have interesting implications for CP violation. \(J_{CP}=0\) is disallowed for type I and II neutrino mass models and are thus, necessarily CP violating. For neutrino mass model of type III, \(\theta _{13}=0\) is disallowed, as discussed earlier, but \(\delta =0^{\circ }\) or \(360^{\circ }\) is still allowed which impel \(J_{CP}\) to vanish in the region where \(\theta _{23}\) is below maximality. However, this case becomes necessarily CP-violating for the region where \(\theta _{23}\) is above maximality.
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Acknowledgments
The research work of S.V. is supported by the University Grants Commission (UGC)-Basic Science Research (BSR), Government of India vide Grant No. F.20-2(30)/2013(BSR). S.B. acknowledges the financial support provided by the Central University of Himachal Pradesh.
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Verma, S., Bhardwaj, S. (2016). Non-vanishing \(\theta _{13}\) and CP-Violation in Inverse Neutrino Mass Matrix. In: Bhuyan, B. (eds) XXI DAE-BRNS High Energy Physics Symposium. Springer Proceedings in Physics, vol 174. Springer, Cham. https://doi.org/10.1007/978-3-319-25619-1_58
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DOI: https://doi.org/10.1007/978-3-319-25619-1_58
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