Probing Majorana Neutrino Textures at DUNE
Kalpana Bora, Debasish Borah, Debajyoti Dutta

TL;DR
This paper investigates how the DUNE experiment can test specific Majorana neutrino mass matrix textures with zero entries, potentially excluding some based on their predicted parameter ranges.
Contribution
It classifies possible neutrino mass matrices with texture zeros and evaluates DUNE's sensitivity to these textures in the parameter space.
Findings
DUNE can exclude certain texture zero mass matrices.
Texture zeros restrict the allowed ranges of 3; and .
Some textures are incompatible with DUNE measurements.
Abstract
We study the possibility of probing different texture zero neutrino mass matrices at long baseline neutrino experiment DUNE. Assuming a diagonal charged lepton basis and Majorana nature of light neutrinos, we first classify the possible light neutrino mass matrices with one and two texture zeros and then numerically evaluate the parameter space in terms of atmospheric mixing angle and Dirac CP phase which satisfies the texture zero conditions. We then feed these parameter values into the numerical analysis in order to study the sensitivity of DUNE experiment to them. We find that the DUNE will be able to exclude some of these texture zero mass matrices which restrict the to a very specific range of values.
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