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On Resonances and Mixing Angles in Three Neutrino Oscillations in Matter

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Brazilian Journal of Physics

Sociedade Brasileira de Física

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      Abstract

      We find exact analytical expressions for mixing angles in matter in the context of three generation neutrino oscillations in matter to discuss the role of resonances in this phenomenon. We show that some knowledge from conventional two neutrino MSW effect, which has been extended to approximated solutions to three neutrino oscillations, has to be abandoned in this exact approach. We observe that maximal values for the mixing angles in matter are found in nonresonant regions and stationary phases do not coincide anymore with resonances in this simple extension of the MSW effect. We present a general way to identify a resonance and discuss what we can physically expect in these regions

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      Most cited references 19

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            Author and article information

            Affiliations
            [1] Universidade Estadual de Campinas, Unicamp
            [2] Universidade Estadual de Londrina Brazil
            Contributors
            Role: ND
            Role: ND
            Role: ND
            Journal
            bjp
            Brazilian Journal of Physics
            Braz. J. Phys.
            Sociedade Brasileira de Física (São Paulo)
            1678-4448
            September 1997
            : 27
            : 3
            S0103-97331997000300008
            10.1590/S0103-97331997000300008

            http://creativecommons.org/licenses/by/4.0/

            Product
            Product Information: SciELO Brazil
            Categories
            PHYSICS, MULTIDISCIPLINARY
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