Five of the seven two-zero texture Majorana neutrino mass matrices are in severe tension with cosmology and neutrinoless double beta decay bounds under a NuFit 6.0 scan, while A1 and A2 remain viable and predict small lightest neutrino masses.
Such a scenario is compatible only with neutrino masses being NO
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Revisiting the two-zero texture Majorana neutrino mass matrix
Five of the seven two-zero texture Majorana neutrino mass matrices are in severe tension with cosmology and neutrinoless double beta decay bounds under a NuFit 6.0 scan, while A1 and A2 remain viable and predict small lightest neutrino masses.