Several one-zero neutrino textures remain compatible with oscillation data and generate the baryon asymmetry via resonant Type-II leptogenesis with flavor-resolved Boltzmann evolution.
Fine-tuning and naturalness issues in the two-zero neutrino mass textures
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abstract
In this paper we analyze the compatibility of two-zero neutrino Majorana textures with the recent experimental data. Differently from previous works, we use the experimental data to fix the values of the non-vanishing mass matrix entries and study in detail the correlations and degree of fine-tuning among them, which is also a measure of how naturally a given texture is able to describe all neutrino data. This information is then used to expand the textures in powers of the Cabibbo angle; extracting random O(1) coefficients, we show that only in few cases such textures reproduce the mixing parameters in their 3 sigma ranges.
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hep-ph 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Numerical scans in the minimal scotogenic model indicate that approximate neutrino texture structures emerge dynamically from dark matter and lepton flavor violation consistency conditions.
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One-Zero Neutrino Textures and Resonant Type-II Leptogenesis: Flavor-Resolved Thermal Evolution and Baryon Asymmetry
Several one-zero neutrino textures remain compatible with oscillation data and generate the baryon asymmetry via resonant Type-II leptogenesis with flavor-resolved Boltzmann evolution.
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Emergent Neutrino Texture Geometry from Dark Matter and Lepton Flavor Violation in the Scotogenic Model
Numerical scans in the minimal scotogenic model indicate that approximate neutrino texture structures emerge dynamically from dark matter and lepton flavor violation consistency conditions.