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arXiv · 1805.05823

Consequences of $ μ-τ$ Reflection Symmetry at DUNE

Newton Nath
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Abstract

We consider minimal type-I seesaw framework to realize $ μ-τ$ reflection symmetry in the low-energy neutrino mass matrix, $ M_ν $. Considering DUNE experiment, we scrutinize its potential to measure the precision of 2-3 mixing angle, $ θ_{23} $ and the Dirac CP-phase, $ δ$ for the given symmetry. Later, we examine the precision of these two parameters considering NuFit-3.2 data as one of the important true points. To study the low-energy phenomenology, we further discuss various breaking patterns of such an exact symmetry. Moreover, for each breaking scenario we perform the capability test of DUNE for the determination of $ θ_{23} $ and to establish the phenomenon of CP violation considering the true benchmark point arising from the breaking of $ μ-τ$ reflection symmetry. We also make remarks on the potential of DUNE to rule out maximal CP-violation or CP-conservation hypothesis at a certain confidence level for different scenarios.

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Newton Nath. 2018-10-18. Consequences of $ μ-τ$ Reflection Symmetry at DUNE. https://doi.org/10.1103/physrevd.98.075015

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