Neutrino mass determination using circulating heavy ions

We study process of radiative neutrino pair emission $|e\rangle \rightarrow |g \rangle + γ+ν\barν$ from coherently excited heavy ions (quantum mixture of two ionic states, the ground and an excited states) in circular motion. Determination of the neutrino mass is found to be possible with simultaneous detection of the photon and one of neutrinos in the pair down to the level of the smallest neutrino mass of order 5 meV in the three flavor scheme.

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