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We present a tribimaximal lepton mixing scheme where the neutrinoless double beta decay rate has a lower bound which correlates with the ratio mₒ₎₋^2/m₀ₓ₌^2 well determined by current data, as well as with the unknown Majorana CP phase ₁₂ characterizing the solar neutrino subsystem. For the special value ₁₂=2 (opposite CP-sign neutrinos) the ₀ rate vanishes at tree level when mₒ₎₋^2/m₀ₓ₌^2=3/80, only allowed at 3. For all other cases the rate is nonzero, and lies within current and projected experimental sensitivities close to ₁₂=0. We suggest two model realizations of this scheme in terms of A₄Z₂ and A₄Z₄ flavor symmetries.
Hirsch et al. (Thu,) studied this question.
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