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New parametrisation of tri-bimaximal mixings

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Abstract

Recent neutrino oscillation data indicates tri-bimaximal mixings. In this communication we propose degenerate, inverted hierarchical and normal hierarchical structures of neutrino mass matrices in terms of two input parameters. These mass matrices not only predict tri-bimaximal mixings but also neutrino oscillation mass parameters comparable with experimental data. We consider contribution of Type-II seesaw formula and observe possible deviations from tri-bimaximal mixings.

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Authors and Affiliations

  1. Department of Physics, Govt. Science College, Jorhat, 785 010, Assam, India

    Monisa Rajkhowa

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  1. Monisa Rajkhowa
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Correspondence to Monisa Rajkhowa.

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Rajkhowa, M. New parametrisation of tri-bimaximal mixings. Indian J Phys 83, 1343–1351 (2009). https://doi.org/10.1007/s12648-009-0115-y

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  • DOI: https://doi.org/10.1007/s12648-009-0115-y

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