In the left-right symmetric model, 0νββ decay experiments with ββ-γ coincidence could probe right-handed current couplings λ≈5×10^{-8} and η≈1.5×10^{-10}.
They would help to 13 identify the RHCs involved if the individual RHC NMEs would be very accurately evaluated and their values would be very different among the nuclei
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Right-handed weak currents in neutrinoless $\beta \beta $ decays and ton scale $\beta\beta$ detectors
In the left-right symmetric model, 0νββ decay experiments with ββ-γ coincidence could probe right-handed current couplings λ≈5×10^{-8} and η≈1.5×10^{-10}.